Headquarters1, Goedong-dong, Nam-gu, Pohang, Gyeongsangbuk-do 790-300, Korea Tel: 82-54-220-0114 Fax: 82-54-220-6000 Seoul Office POSCO Center, 892 Daechi4-dong, Gangnam-gu, Seoul 135-777, Korea Tel: 82-2-3457-0114 Fax: 82-2-3457-6000 Pohang Works 5, Dongchon-dong, Nam-gu, Pohang, Gyeongsangbuk-do 790-785, Korea Tel: 82-54-220-0114 Fax: 82-54-220-6000 Gwangyang Works 700, Geumho-dong, Gwangyang, Jeollanam-do 545-711, Korea Tel: 82-61-790-0114 Fax: 82-61-790-7000 ELECTRICAL STEEL Your Trust Succes, Our Tomorrow Achieving Success with Customers Customers are always the first in POSCO´s every management activity. We are committed to deliver customer success by understanding them, listening to and collecting various customer needs, discovering hidden values and making proposals that meet their needs. Based on strictly customer-centric marketing strategies, we will provide technology and services most needed by the customers and help them to achieve success beyond their expectations. Our goal is to become a business partner that is genuinely loved by our customers. Pohang Steelworks Pohang Works Pohang Works was the first integrated steel mill ever built in Korea. etc. stainless steel. Major Products Hot. electrical steel. wire rods. Manufacturing Focus Flexible short-run Crude Steel Production 16. plates. It currently runs carbon steel and stainless steel processes and has played a pivotal role in promoting POSCO’s global competitiveness with the establishment of the world’s first commercialized Finex process in May 2007. This grandiose project by Yeongil Bay started with Phase 1 being commissioned in 1973. and spanned three more phases until its completion in February 1981.and cold-rolled steel.54 million tons (as of late 2012) . API steel. automotive steel. plates. high-grade API steel.45 million tons (as of late 2012) . and plates. Manufacturing Focus Dedicated long-run Crude Steel Production 21.and cold-rolled steel. Major Products Hot. etc. it operates carbon steel and high mill processes for strategic. Our goal is to position Gwangyang Works as the single-source supplier of choice for automakers around the world. With its optimum factory allocation. high valueadded products including automotive steel. high-strength hot-rolled steel.Gwangyang Steelworks Gwangyang Works Gwangyang Works is the largest unit steel plant in the world. API steel. Outside Diameter And Width of Coil 35 Major International Standards 36 Unit Conversion Tables. 03 Diversified Product Lines POSCO provides various grade of electrical steel to meet each customer’s needs. domain refined GO made by the latest laser technology are mainly used for an extra-high voltage transformer which is the most energy efficient in the world. . like driving motors of environment-friendly cars. The International System 38 of Units(SI) Packaging/Marking 39 02 Reliable Quality Control POSCO produces products in the advanced plants and facilities and applied strict quality control standard to them to provide high-quality materials to customers. The diversified POSCO electrical steel is now widely used for high-performance products. Manufacturing Process and Facilities 10 Specification & Main Application 12 Grain-Oriented Electrical Steel 14 Non Grain-Oriented Electrical Steel 20 Contents 01 Excellent Materials POSCO produces the world’s best electrical steel with its outstanding manufacturing technology. POSCO develops a lot of customized materials which are outstanding performers at a high frequency and show lower core loss after heat treatment to provide the most appropriate materials for use. In particular. Customers prefer products made of POSCO electrical steel because they feature excellent performance and high energy efficiency. Surface Insulation 32 Stress Relief Annelaing 33 Relation Among Weight. Manufacturing Process and Facilities Manufacturing process (Grain-oriented electrical steel) Insulation Coating Manufacturing process (Non grain-oriented electrical steel) Cold Rolling Annealing POSCO Electrical Steel _ 11 POSCO Electrical Steel _ 10 Pickling . Please be sure to consult with our associates when making orders for specific usage.Specification & Main Application Grain-Oriented PHDCore PHCore Large rotating machine Rotating Machines ● PN210 -400 PN440 -700 PN800 -1300 PNACore ● Hermetically sealed motor ● Small motor & Intermittent Service AC motor ● Large power transformer ● ● ● Medium & small power transformer ● ● ● Distribution transformer ● ● ● Reactor & magnetic amplifier ● ● ● ● Audio transformer ● ● ● ● ● Ballast ● PNFCore PNFPNF1500 ● ● ● ● ● ● ● ● ● ● ● ● ● ● Current & potential transformer PNSCore PNM500 PNA300 PNS250 -540 -450 ● General use AC motor Magnetic switch core PNMCore PN-Core ● POSCO Electrical Steel _ 13 Static Machines POSCO Electrical Steel _ 12 PGCore Medium rotating machine Welding transformer The usage presented in this section reflects the general use and shall be used as a reference. Non-Oriented ● ● ● ● ● ● ● ● . 01 1.69 0.0118) 0.0 Core Loss Watt per kilogram Watt per pound W15/50 W17/50 W15/60 W17/60 W15/50 W17/50 W15/60 W17/60 Magnetic Flux Density.70 7.55 0.85 1.40 0.0118) 35PG145 35PG155 0. (annealing condition : 840℃.17 0.0106) 30PG110 30PG120 30PG130 30PG140 0.27 (0.55 0.) 850 and over (33.10 1. It is widely used for large or mid/small-size power transformers.57 0.7T.76 1.89 0.87 0.59 0.37 0.45 1.70 1. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.53 0.27(0.59 30PG110 30PG120 30PG130 30PG140 0.84 1.53 Note : Above values are not guaranteed.10 1. Therefore.0106) 1.05 1.46 0.37 0.52 0.0138) 0.) Thickness Tolerance mm (in.0 1.30(0.36 0.0(0.0138) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) L C L C L C 344 345 364 385 412 423 322 330 345 340 350 357 11 12 10 44 49 40 Note : 1.27 (0.41 0. Max (W17/50) Watt per kilogram Watt per pound 0.83 7. 1Hr.45 1.61 0.) 27PG110 27PG120 27PG130 0.51 0.80 0.35 (0.33 1.03 (0.48 0.0138) Width mm (in.0106) 0.0138) ±0.35 (0.0012) and under +0.24) Inside diameter mm (in.67 0.38 0.37) 1200 (47.62 0.35 0.0118) 0.24) 1000 (39.29 1.12 1. Density.0118) 1.80 Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).35(0.55 0.35 0.30 1.49 0. Tests are conducted in accordance with IEC60404-2 (or JIS C 2550-1) method.82 1.27(0.08 1.) Camber (Length : 2m) mm (in. W17/50 indicates the core loss at the frequency of 50 Hz and the magnetic flux density of 1.44 0.85 1.) 0. Typical Electrical and Magnetic Properties Note : For non-standard sizes.15 1.62 0.20 1.20 1.83 0. Specimens with 0A coating are used for lamination factor test. Standard Size Product PG-Core Dimension & Shape Tolerance Grade Thickness mm (in.48 1.30 (0.5 96.) Available Standard 850-1000 (33.35 (0.64 35PG145 35PG155 0.85 1.27 (0.0106) 0.46 0.84 1.02 1.70 1.0 99.0 99.49 0.84 30PG110 30PG120 30PG130 30PG140 0.54 0.80 0.35(0. B8 indicates the magnetic flux density at 800A/m Core loss and magnetic flux density are measured after stress relief annealing in a rolling direction.78 1.09 1.59 0.65 Magnetic Flux Lamination Factor. Typical Mechanical Property and Lamination Factor Thickness mm (in. this product features excellent magnetic properties in the rolling direction.48 0.77 1.0012) 0.66 0.0106) 0.) (kg/dm3) (×10-8) .) 508 (20) Width mm (in.) Thickness mm (in.0236) 0 1.86 1. Tests are conducted in accordance with JIS Z 2241 and 2244 2.46-47.48 0. Hardness Hv1 Lamination Factor (%) 182 174 181 98.0118) 0.98 1.60 0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.84 35PG145 35PG155 0.Grain-Oriented Electrical Steel PG-Core The grain’s easy magnetization direction is aligned to the rolling direction.32 1.85 1.61 1.90 0.03(0.66 0.50 0. Min Min(%) T (B8) 95.54 0.37 1.) Thickness deviation in transverse direction mm (in.) Width Tolerance mm (in.82 1.50 0.30 0.6(0.5 POSCO Electrical Steel _ 15 POSCO Electrical Steel _ 14 Magnetic properties and lamination factors Resistivity Thickness Density Ω·m mm (in.30 (0.65 8 1.01 1.07 1.) Density (kg/dm3) Core Loss.40 0.22 1.0138) 1.73 0.30(0.49 0.25 1.46) 0. Under non-oxidation atmosphere) 95.53 1.17 1.46 0. using specimens taken longitudinal to the rolling direction and annealed to develop full magnetic properties.30 (0. please contact us Grade Specification Grade 27PG110 27PG120 27PG130 Thickness mm (in. T (B8) 27PG110 27PG120 27PG130 0.05 1.67 0. 27 (0.81 0.23 (0.) .0091) 27PH095 27PH100 27PH110 0.90 0.23 0.30(0.00 1.41 0.) 508 (20) 0. Min Min(%) T (B8) 94.76 1. (annealing condition : 840℃.46 0.78 1.0091) 0.PH-Core The directional property of grain-oriented electrical steel is more reinforced in the rolling direction than PG-Core and therefore features lower core loss and higher magnetic flux density.10 1.92 1.30 (0.0 Resistivity Thickness Density Ω·m mm (in.95 1.70 0.00 1.0012) and under +0. Tests are conducted in accordance with JIS Z 2241 and 2244 2.00 0.0 98.43 0.83 0.90 0.33 0.39 0.0(0.97 0.38 0.0118) Width mm (in.45 0.86 0.37 0.60 1.85 0.29 0.30 0.28 0.) (kg/dm3) (×10-8) 23PH085 23PH090 23PH095 23PH100 0.7T.0118) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) L C L C L C 381 361 345 424 415 412 356 337 330 383 367 358 18 18 20 42 42 45 Note : 1.45 0.30 (0.30(0.95 1.0106) 30PH100 30PH105 0. B8 indicates the magnetic flux density at 800A/m Core loss and magnetic flux density are measured after stress relief annealing in a rolling direction.5 1.91 1.) Grade Specification Thickness mm (in. Density. Density (kg/dm3) 7.32 0.90 1.0236) 0 1.0106) 0.0091) 0.01 1.85 0.23(0.37) 1200 (47.45 0. Max (W17/50) Watt per kilogram Watt per pound 0.0106) 30PH100 30PH105 0. Tests are conducted in accordance with IEC60404-2 (or JIS C 2550-1) method.62 1. Dimension & Shape Tolerance Standard Size Product PH-Core Grade Thickness mm (in. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.33 0.41 0.17 1.98 1.92 0.95 1.32 0.57 1. 95.23(0.88 0. W17/50 indicates the core loss at the frequency of 50 Hz and the magnetic flux density of 1.39 0.52 0.40 0.99 0.6(0.23 (0.90 0.) 0.5 Typical Mechanical Property and Lamination Factor Thickness mm (in.91 1.59 0.70 7.91 1. T (B8) 0.90 0. using specimens taken longitudinal to the rolling direction and annealed to develop full magnetic properties.44 0.42 0. It is used for iron core of both large and other size power transformers and desirable for high efficiency and miniaturization of machinery.0118) Core Loss Watt per kilogram W15/50 W17/50 W15/60 W17/60 W15/50 W17/50 W15/60 W17/60 48 Magnetic Flux Density.) Available Standard 850-1200 (33.44 0.46) 0.26 0.) Width Tolerance mm (in.03(0.50 1.65 0.45 0.) Typical Electrical and Magnetic Properties Note : For non-standard sizes.50 0.0 POSCO Electrical Steel _ 17 POSCO Electrical Steel _ 16 Magnetic properties and lamination factors 23PH085 23PH090 23PH095 23PH100 Thickness Tolerance mm (in.34 0.35 0.64 0.91 1.72 0.47 0.) Thickness mm (in.15 1.45 0.27(0. please contact us Grade Width mm (in.0091) 27PH095 27PH100 27PH110 0.23 (0.) 850 and over (33.88 Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).0091) 27PH095 27PH100 27PH110 0. Under non-oxidation atmosphere) 95.65 Core Loss.43 0.46-47.27 (0. Hardness Hv1 Lamination Factor (%) 178 182 184 97.53 0.24) Inside diameter mm (in. Specimens with 0A coating are used for lamination factor test.37 0.) 23PH085 23PH090 23PH095 23PH100 0.0012) 0.95 1.10 0.43 0.62 0.48 Magnetic Flux Lamination Factor.46 0.42 0.0118) ±0.00 1.74 0.03(0.55 0.0106) 0.30 (0.24) 1000 (39.42 Note : Above values are not guaranteed.39 0.93 0.0118) Thickness deviation in transverse direction mm (in.03 1.05 0.90 0.0106) 30PH100 30PH105 0.29 0.) Camber (Length : 2m) mm (in.58 0.27 (0.91 1.27(0. 1Hr.0 99.35 0.01 1.43 0.27 0.65 Watt per pound 0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part. 23(0. B8 indicates the magnetic flux density at 800A/m 7. Dimension & Shape Tolerance Standard Size Product PHD-Core Width mm (in.87 0.0091) 27PHD090 27PHD095 0.24) Inside diameter mm (in. W17/50 indicates the core loss at the frequency of 50 Hz and the magnetic flux density of 1. Min Min(%) T (B8) 1.91 086 1.36 0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.) 850 and over (33.30(0.PHD-Core Magnetic domain refined steel is the product that has been specially treated with laser scribing to lower the core loss about 30% from that of CGO steel.14 0. using single sheet tester.01 0.without stress relief annealing. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.0118) ±0.05 0.23(0.43 Magnetic Flux Lamination Factor.24) 1000 (39.59 0.0106) 0.27(0.0118) Available Standard 850-1200 (33.0236) 0 1.95 0.0091) 0.43 0.27(0.91 0.34 0.39 0.0012) and under +0.03(0.) Width Tolerance mm (in. Energy efficiency is highered and magnetostriction is lowered. It is used for iron core of both large and othersize power transformers that have not been heat treated.46-47. Density.29 0.0106) 95.23(0.91 Note : Above values are not guaranteed. resulting in low noise of this domain refined steel.48 1.41 0.91 1.03 (0. Max (W17/50) Watt per kilogram Watt per pound 0.46 0.030(0.0106) 30PHD095 0.30 (0.93 0.) 0.36 0.66 0.75 1.0118) Density (kg/dm3) 7.0091) 27PHD090 27PHD095 0.23 (0.41 0. T (B8) 0.) 508 (20) Width mm (in.80 0.0 30PHD095 0.6(0.30 0.0 POSCO Electrical Steel _ 19 POSCO Electrical Steel _ 18 Magnetic properties and lamination factors Resistivity Thickness Density Ω·m 3 mm (in.65 48 Core Loss Watt per kilogram Watt per pound W15/50 W17/50 W15/60 W17/60 W15/50 W17/50 W15/60 W17/60 Magnetic Flux Density. Specimens with 0A coating are used for lamination factor test. Tests are conducted in accordance with JIS Z 2241 and 2244 2.85 0.35 0.) Camber (Length : 2m) mm (in.0118) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) L C L C L C 381 361 345 424 415 412 356 337 330 383 367 358 14 11 12 49 44 49 Note : 1.37) 1200 (47.52 0.0012) 0.) (kg/dm ) (×10-8) .0(0.) 23PHD080 23PHD085 0.) Grade Thickness mm (in. please contact us Typical Electrical and Magnetic Properties Specification Grade Grade Thickness mm (in.5 27PHD090 27PHD095 0.27(0.0 99.5 Note : The above test is conducted in accordance with IEC60404-3 (or JIS C 2556-1996).27 0.0091) 0. Note : For non-standard sizes.35 0.42 0.18 0.27(0.54 1. Tests are conducted in accordance with IEC60404-3 (or JIS C 2556-1996) method.90 0.23 0.80 0.46) 0.64 0.30(0.23(0.41 0.0106) 30PHD095 0.78 1.39 0. using as-sheared specimens in longitudinal to rolling direction.88 1.91 0.95 0.40 0.91 1.0118) 95. Typical Mechanical Property and Lamination Factor Thickness mm (in.39 0.) Thickness Tolerance mm (in.7T. Hardness Hv1 Lamination Factor (%) 176 185 183 97.68 0.57 0. without stress relief annealing.0106) 0.65 Core Loss.91 1.27 (0.56 1.) 23PHD080 23PHD085 0.0091) 94.88 23PHD080 23PHD085 0.31 0.85 1.77 0.0 98.030(0.26 0.) Thickness mm (in.) Thickness deviation in transverse direction mm (in. 24) 508 (20) 950~1250 (37.32 1.64 1.85 2.60 7.0 0. Standard Size Product Grade 35PN210 35PN230 35PN250 35PN270 35PN300 Available Standard Inside diameter mm (in.64 1. Min Min(%) T (B50) 1.0016) and under 0.0138) 50PN250 50PN270 50PN290 50PN310 50PN350 0. They are widely used for iron core materials of rotating machines ranging from large-size power generators to small-size precision electric motors.0197) 65PN400 65PN470 65PN600 65PN700 65PN800 65PN1000 65PN1300 0.60 7.65 7.62 1.00138) ±0.70 Core Loss.70 6.) Thickness deviation in transverse direction mm (in.66 1.04 1.) .80 7.41 1.62 1.0016) and under +1.70 7.85 7.65 (0.0256) ±0.50 (0.36 1.0197) 7.65(0.04(0.65 7.31) 1200 (47.63 1.0591) 0 1000(39.60 7.40-49.62 1.70 6.66 1.) Thickness mm (in.040(0.052(0.035(0.23 1.62 1. Max (W15/50) Thickness mm (in.60 4.Non Grain-Oriented Electrical Steel PN-Core The non-oriented electrical steel features even magnetic properties in the rolling direction and in other directions.03(0. Density.70 3.00 7.21) Grade 50PN250 50PN270 50PN290 50PN310 50PN350 50PN400 50PN470 50PN600 50PN700 50PN800 50PN1000 50PN1300 65PN290 65PN310 65PN350 65PN400 65PN470 65PN600 65PN700 65PN800 65PN1000 65PN1300 0.62 1.65 7.72 3.) Thickness mm (in.65 7.13 2.035(0.00 1.54 5.00158) ±0.63 1.65 7.82 2.90 1. B50 indicates the magnetic flux density at 5000A/m Note : For non-standard sizes.00 10.00 3.65 7.60 7.65 (0.85 7.00 4.62 1.85 2.65 7.90 3.0138) 0.Min Min(%) T (B50) Density (kg/dm3) Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).70 7.30 2.35(0.65 7.5(0.70 1.0591) 0 Camber (Length : 2m) mm (in.60 7.75 7.14 1. W15/50 indicates the core loss at the frequency of 50 Hz and the magnetic flux density of 1.0197) 0.50 (0.80 7.65 (0.18 3.35 (0.37) and under 0.35(0.62 1.04(0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.62 1.35 (0.5T.70 97.00205) 0.65 95. Max (W15/50) Watt per kilogram Watt per pound 2.0256) ±0.0256) 35PN360 35PN440 0.59 1.0 Width mm (in.10 3.32 1.00 8.) Width Tolerance mm (in.0256) 950~1200 (37.82 2.00138) ±0.5(0.50(0.00 13.75 7.63 4.02(0.0138) 0.04(0.40 0.0(0.62 1.13 2.0256) 7.50 4.63 1.0138) 50PN400 50PN470 50PN600 50PN700 50PN800 50PN1000 50PN1300 0.62 1.85 7.63 2.040(0.052(0.03(0.60 7.70 1. POSCO Electrical Steel _ 21 POSCO Electrical Steel _ 20 PN-Core (Coil) Width mm (in.85 7.10 2.70 1.62 1.70 96.0016) and under +1.0012) and under 0.18 3.59 1.65 7.10 3. please contact us Grade Core Loss.40-47.0197) 65PN290 65PN310 65PN350 0.00 4.50(0.35 (0.00 10.50 2.70 1. They are also desirable for iron core of small-size power transformers.0138) 7. using as-sheared specimens taken one half longitudinal and one half transverse to the rolling direction.70 1.90 1.) 1.65(0.0012) and under 0.23 1.) 1000(39.95 1.54 5.62 1.00 7.37) over 0.90 3.00 13. Density.14 1.00158) ±0.) 0.60 7.) Thickness mm (in.37) 1100 (43.00205) 0.50 2.50 4.00 Magnetic Flux Lamination Factor.0197) 0.0008) and under 0.41 1.) Density (kg/dm3) 0.62 1.50 (0.24) 1000 (39.0 Watt per kilogram Watt per pound Dimension & Shape Tolerance Specification Magnetic properties and lamination factors 35PN210 35PN230 35PN250 35PN270 35PN300 35PN360 35PN440 Magnetic Flux Lamination Factor.00 8.63 4.70 2.70 1.) Thickness Tolerance mm (in.00 1.72 3. 75 7.39 2.90 1.70 1.18 1.94 1.56 1.30 1.82 2.62 1.70 1.85 7.48 0.67 1.00 3.16 5.79 2.02 1.74 0.06 2.59 1.70 1.23 1.73 2.38 3.08 3.70 59 59 55 52 45 45 42 0.68 1.84 0.60 2.0197) 550 535 510 483 470 465 415 395 385 375 370 350 570 550 530 505 489 482 420 405 395 385 380 360 413 406 370 355 344 352 265 260 270 270 265 250 426 460 386 361 354 365 275 270 280 280 275 260 20 22 23 25 25 27 34 37 38 39 40 42 22 23 25 28 28 30 36 39 39 40 41 43 223 205 195 189 189 183 143 130 120 115 113 105 98.62 9.60 7.03 1.49 0.89 0.01 4.46 0.19 1.39 10.0 0.09 3.60 3. using as-sheared specimens taken one half longitudinal and one half transverse to the rolling direction.26 6.95 1.89 2.32 3.30 3.74 0.91 4.53 2.70 4.26 0.30 3.59 1.54 0.65 1.40 5.75 1.75 3.57 1.72 1.62 1.20 3.18 3.59 0.85 5.47 3.85 7.58 0.63 4.82 2.70 7.83 0.46 3.07 1.56 3.26 4. POSCO Electrical Steel _ 23 POSCO Electrical Steel _ 22 35PN210 35PN230 35PN250 35PN270 35PN300 35PN360 35PN440 Typical Mechanical Property and Lamination Factor . L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.65 7.45 1.86 8. Tests are conducted in accordance with IEC60404-2 (or JIS C 2550-1) method.93 0.40 1.43 0.86 2.40 1.98 2.09 1.0138) 7.47 7.61 2.27 3.40 2.91 2.45 0.52 1.61 0.55 4.70 1.64 4.59 0.96 1.67 1.67 1.67 1.00 2.84 3.0 Note : 1.Typical Electrical and Magnetic Properties Grade 50PN250 50PN270 50PN290 50PN310 50PN350 50PN400 50PN470 50PN600 50PN700 50PN800 50PN1000 50PN1300 65PN400 65PN470 65PN600 65PN700 65PN800 65PN1000 65PN1300 Resistivity Thickness Density Ω·m mm (in.09 1.28 1.25 2.65 7.61 1.35 (0.05 1.18 0.38 1.07 2.69 1.62 1.68 8.50 2.84 2.68 1.17 0.65 2.65 7.38 0.65 (0. Tests are conducted in accordance with JIS Z 2241 and 2244 2.70 1.70 0.58 1.75 50PN250 50PN270 50PN290 50PN310 50PN350 50PN400 50PN470 50PN600 50PN700 50PN800 50PN1000 50PN1300 0.68 1.0256) 499 480 420 395 375 370 350 490 490 430 405 385 380 360 320 300 295 275 270 265 260 340 315 305 285 280 275 270 24 28 30 35 41 43 45 26 29 31 37 43 45 4 170 160 150 118 113 110 110 98.17 1.23 2.66 1.25 1.70 1.) (kg/dm3) (×10-8) Core Loss Watt per kilogram Watt per pound W10/50 W15/50 W10/60 W15/60 W10/50 W15/50 W10/60 W15/60 Magnetic Flux Density.50 (0.50 1.04 2.60 1.56 5.45 1.68 1.13 1.49 3.85 59 59 56 53 50 45 42 34 30 17 17 17 1.63 7.65 7.55 0.59 1.60 7.35 3.59 3.18 1.64 0.60 7.40 0.22 0.00 1.60 5.35 1.78 4.80 7.57 0.49 0.66 1.74 1.22 3.50 0.21 0.56 1.80 3.06 4.65 0.83 4.02 3.70 7.10 4.33 2.45 6.65 1.53 0.47 0.(T) B25 B50 Grade 0.63 0.27 2.65 (0.03 3.03 1.80 7.85 45 42 34 30 17 17 17 1.57 1.74 0.87 1.0197) 7.71 1.33 1.60 7.40 0.70 0.31 1.01 1.45 3.65 7.63 1.20 0.08 1.14 6.67 1.75 7.53 2.75 65PN400 65PN470 65PN600 65PN700 65PN800 65PN1000 65PN1300 Note : Above values are not guaranteed.64 1.00 5.02 1.94 8.20 2.08 1.60 7.0256) 7.0138) 538 535 522 467 456 450 405 547 545 539 485 469 470 415 415 393 370 347 336 350 273 427 403 385 361 351 366 285 18 19 19 21 21 23 27 19 20 21 23 23 25 29 220 216 214 190 188 170 150 97.63 1.67 1.94 3.37 1.66 1.96 1.00 1.71 35PN210 35PN230 35PN250 35PN270 35PN300 35PN360 35PN440 0.69 1.08 1.37 2.65 1.14 1.75 1.09 4.) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) Hardness Hv1 Lamination Factor (%) L C L C L C 0.43 0.14 11.93 3.50 (0.93 3.80 7.60 7.21 1.63 0.29 1.75 1.03 7.33 1.67 1.85 7.33 1.57 1.63 1.69 1.29 0.13 1.15 1.27 1.57 1.60 2.65 7.57 1.72 1.73 1.16 1.55 6.85 3.58 1.70 2.46 1.65 1.82 0.65 7.35 (0.07 2.62 1.55 1.19 3.53 1.5 0.41 1.55 1.85 7.56 5.52 2.62 2.28 7.44 1.64 1.18 3. Thickness mm (in.61 1. Specimens with C-6A coating are used for lamination factor test.75 2.57 4.74 4.10 2.79 0.33 9. ) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) L C L C L C 452 300 315 32 33 65PNM540 0. Density.65 (0.65(0.00221) 0.78 0.70 (0.00221) 0. W15/50 indicates the core loss at the frequency of 50 Hz and the magnetic flux density of 1.) 1.5(0.40-47.00205) 0. using as-sheared specimens taken one half longitudinal and one half transverse to the rolling direction.63 Magnetic Flux Lamination Factor.04(0. Specimens with C-6A coating are used for lamination factor test.70 42 1.24) Inside diameter mm (in. Specification Magnetic properties and lamination factors Thickness mm (in.70 (0.0016) and under +1.66 1.00 2.65(0.31) 1200 (47.18 4.0276) ±0. using as-sheared specimens taken one half longitudinal and one half transverse to the rolling direction.0276) 7.80 3.03 2.65 0.0276) Width mm (in.37) and under 1000(39. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.0591) 0 0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.) Thickness Tolerance mm (in. B50 indicates the magnetic flux density at 5000A/m Dimension & Shape Tolerance Width mm (in.99 2.17 1.70 (0.) (kg/dm3) (×10-8) Magnetic Flux Density(T) Core Loss Watt per kilogram Watt per pound W10/50 W15/50 W10/60 W15/60 W10/50 W15/50 W10/60 W15/60 B25 B50 65PNM540 0. Standard Size Product PNM-Core (Coil) Typical Electrical and Magnetic Properties Grade Thickness mm (in.63 2.82 1.70 70PNM500 0.70 Note : Above values are not guaranteed. Min Min(%) T (B50) 1.) Width Tolerance mm (in.72 2.0256) 7.) Thickness deviation in transverse direction mm (in.056(0.PNM-Core The non-oriented electrical steel features even magnetic properties in the rolling direction and in other directions.0016) and under +1.0(0.70(0. Max (W15/50) Watt per kilogram Watt per pound 5.0591) 0 Camber (Length : 2m) mm (in.81 0.65 (0.0256) ±0.65 44 1.37) 1100 (43.72 3.056(0.18 1.052(0.0256) ±0.) Density (kg/dm3) 65PNM540 0.37) over Thickness mm (in.0 503 356 Note : 1.65 (0.) Available Standard 950~1200 (37.052(0. It is utilized as steel material for magnetic switches and improved in wear resistance and residual magnetism.61 1.) 508 (20) Note : For non-standard sizes.45 2.0 97.00205) 0.0256) 70PNM500 0.69 1.40 5.0276) 7.04(0. Typical Mechanical Property and Lamination Factor Grade Thickness mm (in.27 4. Tests are conducted in accordance with IEC60404-2 (or JIS C 2550-1) method.65 97. Tests are conducted in accordance with JIS Z 2241 and 2244 2.) 65PNM540 0.65 1.24) 1000 (39.70(0.70 (0.0256) 437 70PNM500 0.78 1.0256) 7. 371 37 39 173 POSCO Electrical Steel _ 25 POSCO Electrical Steel _ 24 Grade .0276) 495 Hardness Hv1 Lamination Factor (%) 155 98. please contact us Grade Resistivity Thickness Density Ω·m mm (in.) 0.5T.5(0.65 Core Loss.73 70PNM500 0.0 Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).) 1000(39.65 (0.0276) ±0. 0T.65 15.) Width Tolerance mm (in.) Thickness mm (in. Density.0008) and under +1.35 (0.71 1.0014) 0.Density ness (kg/ mm (in.73 16.66 59 0.93 2. B50 indicates magnetic flux density at 5000A/m Dimension & Shape Tolerance Width mm (in.0008) ±0.0012) and under +1.) dm3) 0.17 1.02(0.56 1.60 16.0012) ±0.56 Magnetic Flux Density(T) . Tests are conducted in accordance with IEC60404-2 (or JIS C 2550-1) method.0 6.PNF-Core Typical Electrical and Magnetic Properties PNF-Core features good magnetic properties in high frequency where eddy current loss extremely increase.30 (0.0 Watt per kilogram Watt per pound 20PNF1500 30PNF1600 35PNF1800 0. Specimens with C-6A coating are used for lamination factor test.19 1.37) over 0.0591) 0 1000(39.) 508 (20) Thick. Max (W10/400) Magnetic Flux Lamination Factor. Tests are conducted in accordance with JIS Z 2241 and 2244 2.35 (0.69 1.422 0.5 423 432 542 551 19 20 224 97.20 2. Standard Size Product Grade Grade 20PNF1500 PNF-Core (Coil) Width mm (in.0 8.9 0.28 12.035(0.5 35PNF1800 0.) Available Standard 950~1200 (37.53 1.0 7.23 6.) Magnetic properties and lamination factors Core Loss .65 (0.0 416 426 535 545 18 19 223 97. W10/400 indicates the core loss at the frequency of 400 Hz.31) 0.20 (0. PNF Steel has 30% better W10/400 compared to 35PN210 Motor of Premium Slim Spindle motor of ODD POSCO Electrical Steel _ 27 POSCO Electrical Steel _ 26 0.0591) 0 Camber (Length : 2m) mm (in.020(0.5 Note : 1.30 (0.35 (0.0012) ±0.) 1.0080) 30PNF1600 0.0 30PNF1600 0.17 2.035(0.37) 1100 (43. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.0118) 0.30 7.0080) 0.98 0.0138) 7.030(0.20 (0.56 1.03(0. Typical Mechanical Property and Lamination Factor Note : For non-standard sizes. Comparison of Core Loss with Frequency Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).99 Note : Above values are not guaranteed.60 35PNF1800 (0.30 (0.0(0.) Thickness mm (in.0080) 0.66 0.0138) ±0.44 0.60 30PNF1600 (0.020(0.0118) 35PNF1800 0.8 1.37) and under 0.16 1.20 7.24 7.5(0.20 (0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.0118) 7.62 95.) Density (kg/dm3) 20PNF1500 0.0080) 0.72 14.35 7.0138) Inside diameter mm (in.35 (0.) 1000(39.24) 1000 (39. please contact us Grade Specification Thickness mm (in.62 94.54 1.) Thickness Tolerance mm (in.) Thickness deviation in transverse direction mm (in.0138) 20PNF1500 Core Loss Resistivity Watt per kilogram Watt per pound Ω·m -8 (×10 ) W10/50 W15/50 W10/60 W15/60 W10/400 W10/50 W15/50 W10/60 W15/60 W10/400 B25 B50 50 1.0080) 0.0118) 0.23 0.0138) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) Hardness Hv1 Lamination Factor (%) L C L C L C 471 490 363 381 16 19 195 97.71 1.8 0.20 (0.53 3.60 18.030(0.80 1.49 5. W10/400 indicates the core loss at the frequency of 400 Hz and magnetic flux density of 1.0014) 0. Min Min(%) T (B50) Grade Thickness mm (in.62 93.0118) 0.76 1.97 2.35 (0.30 (0.26 1.67 1.30 (0.5(0.55 1.40-47.0008) ±0.65 59 0.20 (0.0138) ±0.24 2. magnetic flux density of 1.0080) 7.0T. using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.0118) 0. 77 1.0197) 50PNA450 Inside diameter mm (in.040 (0.0(0. Tests were conducted in accordance with IEC60404-2 (or JIS C 2550-1) method. PNA-core features higher efficiency of products and longer life of dies.5T.0 7.37) over Thickness mm (in.0197) 50PNA450 Magnetic Flux Density(T) Core Loss Watt per kilogram Watt per pound W10/50 W15/50 W10/60 W15/60 W10/50 W15/50 W10/60 W15/60 B25 B50 7.59 1. Tests are conducted in accordance with JIS Z 2241 and 2244 2.0591) 0 Camber (Length : 2m) mm (in.) Width Tolerance mm (in.0012) and under +1.0197) ± 0.24) 1000 (39.) Available Standard 950~1200 (37.) Note : For non-standard sizes.5(0. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.50 (0. after stress relief annealing.5(0.) 50PNA300 50PNA350 0.24) 50PNA300 PNA-Core (Coil) 50PNA350 0.75 37 1. Min Min(%) T (B50) Thickness mm (in.75 33 1.59 1.62 1.11 0.0197) ± 0.0197) 50PNA450 Density (kg/dm3) Core Loss.50 (0.70 96.22 5.35 0.) .04(0.71 0.05 1. Magnetic Property and Puncturbility Comparison (PNA-Core VS PN-Core) Dimension & Shape Tolerance Width mm (in. under non-oxidation atmosphere) W15/50 indicates the core loss at the frequency of 50 Hz and magnetic flux density of 1.73 7.) Through higher induction and punchability.67 1. Specimens with C-6A coating are used for lamination factor test.5 2.) Thickness Tolerance mm (in.0 7.74 7.) Thickness deviation in transverse direction mm (in. using specimens one half longitudinal and one half transverse to the rolling direction.66 1. (Annealing condition : 750℃ (1380℉) × 2hrs.37) and under 1000(39.5(0.29 2.00158) 0.01 2.0591) 0 0.68 1.75 3.5 1.91 0.70 96. Density.0 1.40-47. Core loss and magnetic flux density are measured after stress relief annealing.) 50PNA300 50PNA350 508 (20) Resistivity Thickness Density Ω·m mm (in.32 1.80 4.36 3.75 3. Standard Size Product Grade Grade Width mm (in.38 0. under neutral at mosphere.37) 1100 (43.79 1.0197) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) Hardness Hv1 L C L C L C 402 415 260 269 37 39 141 382 401 268 278 36 38 124 380 381 269 270 39 39 117 Lamination Factor (%) 98.63 1. please contact us Typical Mechanical Property and Lamination Factor Specification Grade Magnetic properties and lamination factors Thickness mm (in.) 0.31) 1200 (47. high induction after SRA and good punchability.72 3.0 Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).0 Note : 1.36 1.00158) 0.73 3.13 1.03(0. (Annealing condition : 750℃×2hrs.5(0.0016) and under +1.83 1.70 96.72 Note : Above values are not guaranteed.78 1.) Thickness mm (in. [High Efficient Refridgerator Compressor Motor] [High Efficient Aircon Compressor Motor] POSCO Electrical Steel _ 29 POSCO Electrical Steel _ 28 Grade Magnetic Flux Lamination Factor.50 (0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.89 2.83 3. 1.50 (0. Max (W15/50) Watt per kilogram Watt per pound 7.) 1000(39.) (kg/dm3) (×10-8) 0.040 (0.PNA-Core Typical Electrical and Magnetic Properties PNA-Core features lower core loss.70 1. B50 indicates the magnetic flux density at 5000A/m 50PNA300 50PNA350 50PNA450 0.80 25 1.77 1. 0138) Density (kg/dm3) Core Loss.03(0.) 1. Density. using as-sheared specimens taken one half longitudinal and one half transverse to the rolling direction.) Thickness mm (in.37) over 0.0138) ± 0.22 2.57 1.37) 1050 (41. Hardness Hv1 Lamination Factor (%) 186 98. Tests are conducted in accordance with IEC60404-2 (or JIS C 2550-1) method. Tests are conducted in accordance with JIS Z 2241 and 2244 2. Grade 35PNS250 Thickness mm (in.) 508 (20) Grade 35PNS250 Resistivity Thickness Density Ω·m mm (in.) Width Tolerance mm (in.55 1. Specimens with C-6A coating are used for lamination factor test.31) 950~1200 (37. B50 indicates the magnetic flux density at 5000A/m Dimension & Shape Tolerance Width mm (in.5(0. using as-sheared specimens taken one half longitudinal and one half transverse to the rolling direction.35 (0. please contact us Typical Mechanical Property and Lamination Factor Specification Grade Thickness mm (in.) 35PNS250 0.40-47.) 1000(39.35 (0.45 1.035 (0.0012) and under +1.63 95.0(0.35 (0.035 (0.34) 1100 (43.0591) 0 Camber (Length : 2m) mm (in.) Thickness mm (in.0 Note : The above test is conducted in accordance with IEC60404-2 (or JIS C 2550-1).5(0. high induction and good punchability with lower hardness Typical Electrical and Magnetic Properties Standard Size Product PNS-Core (Coil) Grade 35PNS250 Width mm (in.14 Magnetic Flux Lamination Factor.) (kg/dm3) (×10-8) 0.5T.) 0.29 1.PNS-Core PNS-Core features lower core loss.) 0. W15/50 indicates the core loss at the frequency of 50 Hz and the magnetic flux density of 1.25 1.98 2. Min Min(%) T (B50) 1.00138) 0.0138) 7.0138) ± 0.66 Note : Above values are not guaranteed.00138) 0.02 0.) Thickness deviation in transverse direction mm (in.83 0.) Thickness Tolerance mm (in. Max (W15/50) Watt per kilogram Watt per pound 7.60 56 Magnetic Flux Density(T) Core Loss Watt per kilogram Watt per pound W10/50 W15/50 W10/60 W15/60 W10/50 W15/50 W10/60 W15/60 B25 B50 0. Note : For non-standard sizes. L : Specimens taken longitudinal to the rolling direction C : Specimens taken transverse to the rolling direction 3.0138) Available Standard 1000 (39.5 1.60 2.35 (0.0394) and under Note : The thickness deviation in width direction means the gap between the thickness of center and the one of part 15mm away from the edge part.24) Inside diameter mm (in.37) and under 0.0008) and under +1.0138) Tensile Strength (N/mm2) Yield Point (N/mm2) Elongation (%) L C L C L C 442 445 330 332 23 25 Note : 1.0591) 0 1000(39.35 (0.35 (0.0 POSCO Electrical Steel _ 31 POSCO Electrical Steel _ 30 Magnetic properties and lamination factors .02(0. 1 ≥ 0.0 98.0 ≥ 5.Acceptnized ed 750℃×2hrs.0 1. the materials in the furnace should be evenly heated. Generally. please contact us.50mpm Note : 1) Please designate surface insulation according to usage. Slow cooling must be applied until it reaches 300~350℃.0 ≥ 3.5~2.0 95. The optimum annealing temperature for grain-oriented electrical steel is 780℃ to 840℃ and 750℃ to 800℃ for non-oriented electrical steel for improved magnetic properties.05 in Pressure (JIS C 2550) Before SRA (Mandrel bend tester) 30 30 10 10 10 10 20 ISO 1519 After SRA(Cross cut tester) - - 5B 5B 5B 5B 5B ASTM D3359B [0B (poor) ~ 5B (excellent)] After SRA - - Not recognized Not recognized Not recognized Not recognized - - - Not recognized Not recognized Not recognized Not recognized - - - excellent normal good normal Change of Resistance surface to refrigerants Change of weight Weldability R-134a/Freol @15C = 65g/100g (130℃. GS General C-6A C-9A Notice Eco-friendly NS NM NT Applied Spec GO NO Composition Inorganic Inorganic Inorganic Inorganic Inorganic Inorganic Inorganic +organic +organic +organic +organic +organic Annealing Temperature If the annealing temperature is too low.2~1.0 1.0 ≥ 5.5 ≥ 3. Annealing Time Thickness (um) Annealing time means the in-furnace time of materials at the highest temperature during the annealing process.0. Otherwise both sides of piled-up core will be damaged during the annealing process.8 5. Therefore a pure nitrogen atmosphere is ideal and the dew point of gas should be maintained as low as possible.5~1.5 ≥ 5. in DX rich gas Not Weathering (powdering) recognized Not recognized Not recognized Not recognized Not recognized Not recognized Not recognized 65℃. 2) The coating thickness and the resistivity is typical value. in Air Not recognized Not recognized Not recognized Not recognized Not recognized Not SRA Not recog.2~1. not guaranteed Heating and Cooling Speed Abrupt heating and cooling must be avoided to prevent any deformation of the iron core.5 hours.5~1. POSCO Electrical Steel _ 33 POSCO Electrical Steel _ 32 1.0MPa ± 0. below 0℃ is adequate. deteriorating the work capacity.0 98. 95% humidity.45㎛ filter paper) Current : 100~150A Not Ar 99% flow : 10~20L/min allowed Speed : 0.Surface Insulation Stress Relief Annelaing Types and Features of Surface Insulation GO NO EcoGeneral friendly 0A Stress relief annealing is a process that is carried out to acquire desired magnetic properties of electrical steel sheets by relieving stress generated in the process of shearing and punching at a proper temperature for a certain period of time. in DX rich SRA Not gas Accepted 97.5~2.25~0. The oil used in shearing and punching should be removed completely.0 1. Resistivity (Ωcm2/sheet) Lamination Factor (%) Heat resistance flaking after SRA Adhesion (mmФ ) ≥ 15 ≥ 0. after that and cooling is permitted. it may erode surface insulation and degrade insulation properties.0 95. During this time.0 ≥ 100 ASTM A 717 SRA condition : 750℃×2hrs.8 0.Acceptnized ed 155℃×24hrs.0 98.0 0. the annealing time is between 1. The annealing time varies depending upon amount of materials or type of furnace.0 98.0~7.5 to 2.0 Not recognized Not recognized Not recognized Not recognized Not recognized Not SRA Not recog. it is difficult to acquire adequate magnetic properties and if the temperature is too high.0 1. Furnace Atmosphere Furnace atmosphere should be controlled to minimize carburization or oxidization which can diminish magnetic properties. Regarding coating properties. 72hrs. 21days.0 . Before SRA ≥ 15 After SRA ≥ 15 ≥ 15 ≥ 0. Relation Among Weight. Ex) In a place of 25℃. Note : Inner diameter is 20inch (508mm) . water is condensed when temp decrease to 22℃. humidity 80%. Outside Diameter And Width of Coil Reference for rust POSCO Electrical Steel _ 35 POSCO Electrical Steel _ 34 Condensed Water on steel surface Graph according to Humidity and Temperature Water is condensed on the steel surface in certain temperature and humidity in store place and steel is likely to getrusty. 00 (0.00 27P100 1.90 50PN310 3.35 (0.0197) 50PN250 2.20 M117-30P 1.63 47F240 5.0118) 30P120 1.00 50PN800 8.50 0.03 27H074 1.70 35A270 2.70 M290-50A 2.00 0.40 0.40 27PHD090 0.10 50PN350 3.00 50PN1300 13.00 50PN470 4.82 47F450 9.05 0.7T and 50Hz M140-30S 1.10 35A210 2.55 30H083 1.00 50PN1000 10.00 36F175 3.40 M150-35S 1.0106) 27PH110 1.30 M103-27P 1.97 47F200 4.00 POSCO Electrical Steel _ 37 POSCO Electrical Steel _ 36 (2006) Magnetic Flux Core Loss Density.10 27PG120 1.10 M111-30P 1.19 0.70 35PN360 3.32 M100-23P 1.50 50A250 2.83 35H094 2.29 47F400 8.00 M250-50A 2.20 27PG130 1.35 23PH100 1.46 M130-27S 1.90 35PN230 2.45 (0.5T and 50Hz.00 50A600 6.30 35A230 2.30 30PG140 1.00 50A400 4.50 47F165 3.30 30G130 1.50 (0.50 35PN300 3.00 35PN440 4.30 23PH095 0.35 35PG145 1.30 M1000-50A 10.64 47F180 3.70 50PN600 6.0138) 35PG155 1. Please be sure to confirm the recent standards when making orders or to consult our associates.40 35A440 4.70 M600-50A 6.00 50A1300 13.20 27G120 1.00 35A300 3.20 M235-35A 2.95 0.00 M700-50A 7.70 36F155 3.41 47F210 4.30 27G130 1.00 30PH105 1.0138) 27R090 0.10 23P090 0.92 Note : The core loss of POSCO products is the maximum guarantee value at 1.Major International Standards The product standards are subject to change.52 M300-35A 3.40 30G140 1.00 50A800 8.45 35G145 1.00 50A700 7.70 50A470 4.00 23P100 1.50 50PN270 2.50 35A250 2.11 (0.60 35A360 3.86 M270-35A 2.0091) Thickness mm (inch) POSCO Thickness mm (inch) W10/50 W15/50 W10/60 W15/60 W10/50 W15/50 W10/60 W15/60 (2000) (1999) (1995) W/kg W/kg W/kg W/kg 15/50 15/50 15/60 15/50 35PN210 2.50 M400-50A 4.50 50A350 3.85 23Q054 1.90 23P060 1.00 50PN700 7.70 50A270 2. Non-Oriented Electrical Steel Grain-Oriented Electrical Steel POSCO JIS C 2553 ASTM EN10107 (2006) (2000) (1999) (1995) W/kg W/kg W/kg W/kg 17/50 17/50 17/60 17/50 23PHD085 0.70 50PN290 2.Min(T) JIS C 2552 ASTM EN10106 Watt per kilogram Watt per pound .00 50A1000 10.60 36F205 4.30 30P110 1.00 M470-50A 4.95 35PN250 2.90 50A290 2.27 27PH100 1.90 27PH095 0.95 23P095 0.10 M350-50A 3.00 35PN270 2.90 M310-50A 3.17 30PG130 1.42 M250-35A 2.00 M800-50A 8.63 30PH100 1. M270-50A 2.50 50PN400 4.50 36F145 3.30 M105-30P 1.05 30P105 1.30 27P066 1.23 23PH090 0.10 50A310 3.85 23R085 0.90 (0.05 50A230 2.10 27P110 1.55 35G155 1.07 Note : The core loss of POSCO products is the maximum guarantee value at 1. 55 x 10-1 6 Seal Pad 7 Connector 3 Inner ring 5 Vertical band 1 Line per Square Inch(Line/in2) 1 Packaging Paper (OPP Anti-Rust pater) .95 x 10-1 A/in Standard packing for export sales 2.45 x 104 1 Weber per Square Meter(Wb/m2) 104 1 1 6.96 x 10 1 Ampere per Meter (A/m) 1.45 x 104 MARKING Domestic 1. The International System of Units(SI) Packaging/Marking PACKAGING / MARKING Magnetizing force Oersted A/m 1 Oersted 1 7.55 x 10-5 1 Core Loss W/kg W/lb 1 Watt Per Kilogram(W/kg) 1 4.55 x 10-5 1.256 x 10 1 Ampere per Inch (A/in) 4.Unit Conversion Tables.204 1 Export 4 Horizontal band POSCO Electrical Steel _ 39 Gauss 5 Vertical band 2 Outer ring Magnetic flux density 1.94 x 10 -2 10 Side Protective Block (Steel + Hard board) 1 Packaging Paper 6 Seal Pad 1 8 Inner Protective Block (Steel + Hard board) 2 Outer ring 7 Connector 3 Inner ring 4 Horizontal band 9 Outer Protective Block (Steel + Hard board) POSCO Electrical Steel _ 38 Tesla WB/m2 line/in2 1 Gauss(G) 1 10-4 10-4 6.54x10-1 1 Watt Per Pound(W/lb) 2.02 1 -2 Standard packing for domestic sales 2.54 x 10 3.45 1 Tesla(T) 104 1 1 6. POSCO Electrical Steel _ 41 POSCO Electrical Steel _ 40 Global Network . POSCO Electrical Steel _ 43 POSCO Electrical Steel _ 42 Global Network . POSCO will think and act from the customer’s point of view. and maintaining a professional mindset. propose solutions in advance to create customer value that fits market needs and industry trends. POSCO has set up a new customer-centric marketing vision of “Your Trust and Success. having a global and developing and proposing customized technology and products in advance. triggered by our insight. developing creative flexibility.Seeking customer trust and success through customer-centric marketing vision Advancing customer success through the POSCO EVI program Facing the ever-growing competition at home and abroad. but all the executives and employees have also individually and collectively pledged their commitment towards its successful realization. guidelines at the company level. Based on thoroughly customer-centric marketing visions.” The POSCO EVI (Early Vendor Involvement) program is designed to help POSCO achieve customer success by predicting the future market environment faster than customers The vision embraces POSCO’s firm commitment to become customers’ most favored business partner based on core values of being customer-centric. Under the initiative. In order to achieve this vision. Building on the core values. to gain customer trust and contribute to customer success. Our Tomorrow. we have not only designed execution With the program being applied to all industry segments. and put customers at the center of our business process innovation. . we offer a global one-stop service and customized values customized products. and generate new business together with customers. we aim to walk side by side with our customers not just as a material supplier but as a business partner. we participate in customers’ product design stage and onward to provide mind.