Gratings Brochure

FERROGRATEABOUT US Ferrotech... Established in the year 2002, Ferrotech Intl. is recognised as one of the well reputed and leading manufacturer and exporter of Floor Gratings, Stair Treads, Safety Handrails and Access Engineering Products. Leveraging Its in house engineering expertise, our service portfolio includes the design and detailing of drawings, Fabrication and supply of Electro forged and manually welded Steel / FRP Gratings. Our Strength... Our Team With the strength of modern manufacturing facilities, a strong team of qualified, experienced engineers and a highly motivated skilled workforce, Ferrotech has established a reputation for managing projects of all sizes, supplying quality products on time, every time. The Industries... We Serve Oil and Gas Projects, Power and Desalination Projects, Airports, Waste water treatment Plants, Shipbuilding and repair works, Petro chemical projects, Pharmaceutical industries, Cement and Sugar industries, Infra structure projects etc., The Products... We Supply F Electro Forged Steel Gratings F Manual Welded Steel Gratings F Press locked Steel Gratings F Aluminium Gratings F Stainless Steel Gratings F Ductile iron Gratings F FRP / GRP Gratings F Stair Treads / Grating Clips F Steel / FRP Handrails Our Presence FERROTECH INTERNATIONAL FZE DUBAI ENTERPRISES MODERN TRADING FERROTECH STRUCTURALS INDIA PVT LTD - UAE - OMAN - INDIA 1 www.ferrograte.com www.TERMINOLOGY Electroforged Grating Span Width A steel grid formed from load bearing bars and cross bars through resistance welding Direction of the load bearing bars Direction of the cross bars.ferrograte.com 2 . Total area of gratings excluding cut-out areas. Binding bar Grating gross area Grating net area Flat bar welded to the edge of grating panels Total area of gratings including cut-out areas. The Centre to centre distance between load bearing bars or cross bars. Plain load bearing bar Serrated load bearing bar Pitch Flat bar with plain top surface Flat bar with serrated top surface.GRATING . Toe Plate / Kick Plate Curb Angle Erection Clearance Larger size flat bar welded to the edge of grating panels for safety purposes. Cut-out with straight edges. A support fixed to concrete or steelwork to support gratings. Cut-out with curved edges.TERMINOLOGY Cut -out Straight shaping Curved shaping Area of grating cut out for pipes and columns to pass through. Stair Tread End Plates Anti-Slip Nosings A grating with end plates and anti-slip nosing for use in stairways. Plates fixed to both ends of Stair tread for fixing to stringers Pyramid type or chequered type anti slip nosings welded to stair tread or gratings to prevent slipping 3 www.com . The distance from a grating panel to an adjacent panel or structure.ferrograte.GRATING . 75 31.86 2.87 1.00 6.15 211.18 4.08 1017 a 2 8.00 6.47 2.21 39.00 8.22 6.71 b 0.63 5.02 6.33 1.01 14.66 240.84 1.95 56.75 7.56 7.12 23.25 9.65 32 x 5 0.00 38.25 9.71 184.00 8.70 kN/m 1330.75 10.25 9.20 2.50 5.25 9.41 0.25 9.05 47.00 6.47 5.00 6.25 9.00 40 x 4 0.50 8.31 103.00 125.82 25 x 3 1164 D (mm) c 3.85 1.44 1687 2 a 10.00 1.56 429.22 7.00 59.08 0.04 6.50 8.65 12.06 22.01 13.00 6.47 1423 7.98 30 x 3 kN/m 1.22 1220 c 6.22 2.10 b 2907 10.03 kN/m 20.06 kN/m 76.35 86.13 1626 2 a 2305 10.43 7.65 1.86 4.00 846.67 8.04 3.00 6.55 9.53 4.00 6.23 1446 2 a 10.04 2.90 31.32 1656 8.28 30 x 5 0.64 1928 2 a 2893 10.75 10.00 D (mm) c 7.81 3.75 7.50 8.75 7.70 4.50 8.00 24.00 0.40 2.20 5.50 1.25 45.70 1.75 7.00 9.11 29.00 D (mm) c 8.18 4.00 30.03 58.05 1.18 3.75 0.20 5.67 60.75 10.00 2447 31.41 0.Electro Forged Steel Grating ELECTRO FORGED GRATINGS Load bearing bars and the twisted cross bars are pressed and welded together by electric resistance welding process with 2500kvA current.00 5.41 94. GRATING with load bearing bars @ 41 mm centres Cross bars @ 100 or 50 mm centres 100 centres 50 centres 41 centres Note : Add 2.00 0.00 6.50 8.00 143.F is the serrated conversion factor by which the safe loads and deflections must be multiplied to obtain those for the equivalent overall load bearing bar depth with serrated top surface.33 182.35 46.74 18.17 52.00 9.25 52.92 2.99 D (mm) 3.90 1.03 3.00 6.00 9.85 14.00 190.59 135.88 4.08 30.00 36.04 31.94 1750 8.12 15.77 1380 6.66 248.61 5.93 541.66 kN/m 84.00 6.67 4.75 3. Max clear span for pedestrian Load (mm) NOMINAL O/A DIMENSION OF BARS(in mm) No.00 6.61 7. ‘D’ Bearing SCF @ INDIVIDUAL CLEAR SPANS SHOWN IN mm.67 4.28 1656 13.50 5.75 1.63 3. finished weight to get weight with fixing clips SAFE WORKING LOADS & DEFLECTION TABLES FOR 41 mm pitch MAXIMUM UNIFORMLY DISTRIBUTED LOAD IN kN/m2 AND MAXIMUM DEFLECTION IN mm Approx.00 150.17 48.90 1.35 4.com LOADING CONSIDERED 3.89 211.17 1.66 35 x 5 0.90 1.75 7.03 70.25 6.01 3.11 9.51 2.00 106.65 2.53 kN/m b 0.13 76.59 94.90 41. Simultaneously 1000 kN Hydraulic pressure will be applied to forge these together to form open grid flooring.69 9.18 48.80 2.00 9.25 9.39 0.66 9.50 414.70 29.00 D (mm) c 7.00 325.73 1.34 376.05 41.00 D (mm) c 9.75 7.60 2.06 0.00 6.50 5.72 5.12 18.00 200.92 0.92 1.50 8.50 8.50 39.00 9.30 0.91 4.05 38.40 1700 2 a 1636 8.00 9.75 10.86 2.75 4.33 0.82 110.54 6.05 2.70 21.47 1.94 3.00 15.53 6.00 6.D.92 2.81 304.25 9.25 9.65 3.00 1500 2 a 10.00 6.03 2.64 kN/m 1.00 60 x 5 1.40 4.13 3.67 4.86 2.71 kN/m b 1639 8.00 34.77 b 0.75 10.25 18.30 kN/m 5.74 135.27 5.40 17. Wt Bar (mm) 2 U.05 29.89 1.25 9.00 D (mm) c 2627 10.40 24.20 5.75 10.41 13.12 2 a 10.68 66.00 81.00 9.81 7.03 2154 13.75 7.00 2062 335. of Bars 5 mm Load Bars 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 128 169 210 251 292 333 374 415 456 497 538 579 620 661 702 19 20 21 22 23 24 25 743 784 825 866 907 948 989 NOTE: For 3 mm load bars subtract 2 mm from widths width dimensions can vary due to manufacturing process a= b= c= www.59 62.89 1.75 7.00 1.55 6.50 68.89 1.41 1.20 5.00 c 2301 10.00 6.05 1.88 b 1931 9.21 4.00 9.22 6.05 38.75 10.63 2.50 5.04 52.56 1.92 0.00 6.54 0.13 7.84 b 0.75 10.35 kN/m 126.17 kN/m b 2546 10.L.68 135.79 18.00 1.88 1.08 19.90 31.00 146.02 8.98 b 0.18 5.15 35 x 3 0.05 26.00 D (mm) c 6.99 kg/m2 to approx.25 18.91 4.00 55.31 40 x 3 1862 D (mm) c 1.54 1.12 22.85 1.94 2029 10.00 9.75 10.61 4.92 2.41 86.50 8. D (mm) UNITS kg/m 300 1350 450 600 750 900 1000 1200 1500 1650 1800 1950 2000 2 a 1380 6.05 1.64 10.00 6.67 3.10 2 a 1931 9.50 8.80 22.42 10.ferrograte.90 25 x 5 0. Fin.C.79 6.25 9.75 10.50 8. finished weight for cross bars @ 50mm centres Add 0.00 D (mm) c 7.00 S.50 8.00 9.75 7.15 11.67 7.43 2154 10.70 0.31 2.00 610.61 3.38 13.75 7.00 7.25 9.00 9.00 2214 36.75 21. of Bars 5 mm Load Bars No.00 9.97 9.75 10.89 3.5 kN/m2 4 Standard width .25 1.06 36.03 1205 2 a 1963 9.0 kN/m2 5.50 5.91 4.81 81.86 11.55 3.81 27. Gratings are manufacture as per BS4592 part one 1987 standards.62 8.39 b 0.87 b 1396 6.53 0.00 50 x 5 D (mm) 2 a 3303 10.75 10.00 6.00 325.34 3.18 5.56 kg/m2 to approx.00 65.30 47.22 2.72 kN/m b 0.40 4.32 D (mm) c 1.00 40 x 5 0.70 27.10 2.0 kN/m2 7. 16 7.50 2.38 3.75 6.00 10.19 1.93 7.6.44 325.06 47.10 249.00 277.25 5.08 25.86 53.00 0.01 9.23 5.00 9.55 81.75 24.21 8.08 6.15 7.72 6.47 149.33 0.00 11.00 7.09 10.45 7.09 40 x 3 kN/m2 D (mm) 439.00 5.00 10.41 0.77 30.D.47 195.15 8.00 9.00 4.65 1.00 8.44 9.75 5.87 10.75 12. Bs4592.61 7.75 3.89 1.00 1.02 0.27 6.00 183.92 4.75 4.) in kilonewtons per square metre on simply supported panels with deflections (D) in mm.30 830. Note : Add 2:99 kg/m2 approx.08 3.80 2.05 54. Fin.47 0.91 47. 35 mm c/c.04 0.00 60 x 5 2 kN/m D (mm) 40 x 4 2 kN/m D (mm) 2 30 x 5 kN/m D (mm) 412.67 52.50 10.68 5.47 9.51 8.92 kN/m D (mm) 2 1144.92 286.75 7.83 8. NOMINAL O/A DIMENSION OF BARS(in mm) 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 5 mm Load Bars 95 125 155 185 215 245 275 305 335 365 395 425 455 485 515 545 No.99 10.65 5.75 3.20 4.63 5.35 19.00 0.L D kN/m2 25 x 3 D (mm) 171.32 0.75 2.20 37.11 127.00 21.00 71.00 0.33 10.21 10.73 6.50 9.87 1.71 8.47 42.00 2.35 4.19 6.61 25.41 9.43 7.11 0.00 3.75 3.00 0.50 6.31 4. of Bars 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 5 mm Load Bars 575 605 635 665 695 725 755 785 815 845 875 905 935 965 995 No.00 10.25 9.00 10.11 117.92 109.C.48 9.40 6.20 62.0 kN/m2 5.50 2.22 61.0 kN/m2 7.00 259.31 kN/m2 1800. part one 1987.19 8.54 183.88 9.16 103.25 6.25 3.00 S.01 7.05 50.00 183.com .04 1.25 3.50 3.88 6.92 2.00 10.75 10.65 0.00 8.47 71.00 439.97 9.10 7.00 170.67 0.18 65.61 4.75 5.10 41.83 9.25 7.53 0.39 4.20 0.63 92.12 1.82 0.00 10.00 10. Based on a maximum permissible stress of 180 N/mm2 which allows for a safety factor of 1.64 286.83 2.05 50.70 2.83 3.87 1.84 8.63 6.00 4.ferrograte. Wt 2 kg/m SCF 300 450 600 750 900 1000 1200 1350 1500 1650 1800 1950 2000 U.00 D (mm) 0.50 3.00 48.00 16.16 6.41 0.16 9.57 9.53 42.75 1.50 560.16 0.33 10.56 6.00 7.81 9.75 14.00 3.87 1.05 62.53 25.08 31.00 23.37 8.90 67.50 17.00 204.50 5.54 1.00 4.86 1526 1287 1124 1831 1544 1349 2101 1801 1574 2322 2044 1799 2490 2191 1950 1809 1526 1333 2127 1831 1599 2227 1900 1700 2387 2101 1866 2639 2322 2098 3119 2745 2481 7.00 0.05 34.30 54.5 kN/m2 MAXIMUM UNIFORMLY DISTRIBUTED LOAD IN kN/m2 AND MAXIMUM DEFLECTION IN mm @ INDIVIDUAL CLEAR SPANS SHOWN IN mm.04 7.06 29.00 10.53 33.00 14.00 10.00 10.48 9.00 10.35 9.00 8.00 9.22 6.10 8.26 7.55 3.92 145.50 14.47 6.25 3.41 0.01 140.00 0.30 87.00 1.15 117.44 508.23 0.11 1.00 10.75 3. These categories are described as (a) access limited to one person only.03 77.87 1.41 5.30 10.75 19.92 3.40 42.75 5.43 5.00 1.30 1. (b) normal duty and © heavy duty.50 4.75 21.92 0.92 1.18 39.80 2.95 8.48 6.83 10.55 7.00 0.53 56.90 1.00 2.94 9.09 10.00 6.00 5.61 42.63 6.75 3.Electro Forged Steel Grating GRATING with load bearing bars @ 30 mm centres Cross bars @ 100 or 50 mm centres 100 centres 50 centres 30 centres Safe Uniformly distributed loads (U.F is the serrated conversion factor by which the safe loads and deflections must be multiplied to obtain those for the equivalent overall load bearing bar depth with serrated top surface.86 75.75 8.25 9.25 10.00 17.00 2 2 40 x 5 732.05 38.23 1.00 9.99 6.50 16.08 4. of Bars NOTE: Standard width * For 3 mm load bars subtract 2 mm from widths * width dimensions can vary due to manufacturing process * In addition to 30 and 41 mm pitch we also manufacture the gratings with 33 mm c/c.00 28.11 127.82 8.72 2.75 5.39 9.00 0.19 1.75 9.00 9.25 9.61 10.L.33 6.50 6.50 8.65 76.92 6.35 6.50 12.09 7. finished weight for cross bars @ 50 mm centres Note: For pedestrain traffic there are three loading categories which are (a) light duty.25 6.42 0.25 4.92 1.00 7.75 6.90 1.00 2.54 109.50 30.66 7.67 39.04 9.72 5.65 6.00 29.25 12.00 1.75 2.14 9.22 103.00 9.25 5.53 583.55 64.78 0.D.62 9.89 10.80 6.50 8.34 6.00 25 x 5 50 x 5 kN/m D (mm) 3567 3140 2837 10.22 10.75 10.52 42.21 30 x 3 kN/m2 D (mm) 247. 40 mm c/c and 60 mm c/c 5 www.90 1. (b) regular two way traffic and © high density traffic.67 65.65 35 x 3 kN/m2 D (mm) 367.00 32 x 5 kN/m2 D (mm) 35 x 5 kN/m D (mm) 455.05 114.85 1.84 8.35 9.62 24.45 10.85 1.50 18.40 25.15 17.55 4.55 48.08 40.03 92.00 9.20 4.50 10.21 89.91 37.00 0.00 7.00 6.63 70.22 6.70 32.05 84.53 2.00 17.00 8.88 9.38 6.26 9.00 10.94 2. Bearing Bar (mm) UNITS Approx.89 1.73 1.00 12.77 9.74 10.47 198.66 10.70 1.75 9. a= b= c= SAFE WORKING LOADS & DEFLECTION TABLES FOR 30 mm pitch Max clear span for pedestrian Load (mm) a b c a b c a b c a b c a b c a b c a b c a b c a b c a b c a b c a b c ‘D’ (mm) LOADING CONSIDERED 3.20 29.95 7.63 2.17 2.75 10.75 17.25 1.31 2. 80 116.00 432.90 55.34 50.08 62.00 23.20 129.23 41.93 16.84 207.48 432.60 33.32 259.63 108.99 69.61 37.78 1800 14.11 83. heavy duty gratings are used where large support widths and high wheel loads are required.44 144.80 153.08 53.12 62. FP Conversion factor for kg into kN 10 kN .81 31.60 185.63 22.90 66.00 77.16 138.54 68.79 150.65 39.40 27.88 155.82 39.34 44.43 33.00 232.18 301.36 47.00 154.55 25.58 32.75 44.33 64.37 20.27 43.53 172.68 51.28 21.76 120.1 tonne 1 kN .00 368.86 45.16 108.00 309.92 32. Vehicle access: trucks up to 30 tonnes in overall weight.00 387.54 64.36 19. * Support width = clearance between the supports.00 68. The values shown have been calculated for maximum permissible load rating on the basis of the relevant load carrying area and bearing bar spacing of 50 mm.46 21.86 59.44 31.24 36.33 33.60 26.17 20.40 81.60 122.71 20.53 58.86 221.06 www.92 32.60 259.39 1500 17.65 17.39 54.28 35.43 501.03 52.25 46.57 82.73 42.62 44.60 72.76 232.00 240.59 51.00 18.67 32.88 288.00 29.86 66.80 51.59 78.08 43.37 57.20 64.68 128.30 50.60 188.Heavy Duty Press Locked Gratings Heavy duty gratings are press locked gratings.61 37.59 110.21 76.20 290.64 276.48 25.000 kN.87 28.36 122.26 86.92 40.38 27.52 50.70 40.00 204.04 1600 16.94 27.24 36.22 27.92 124. 130 x 8 140 x 8 150 x 8 80 x 10 90 x 10 100 x 10 110 x 10 FP FP FP FP FP FP FP FP FP FP 163.00 61.42 153.52 192.06 345.97 81. Vehicle access: trucks up to 9 tonnes in overall weight.12 61.71 18.32 576.07 39.69 60.90 75.38 20.20 194.16 125.00 31.48 25.12 107.60 160.52 256.52 123.24 250.00 72.22 41.46 18.55 22.89 43.26 31.33 25.57 36.99 34. Due to their high stability and safety. Heavy duty gratings can be also produced in stainless-steel Vehicle access: trucks up to 60 tonnes in overall weight.00 102.24 36.88 184.90 23.67 40. Vehicle access: trucks up to 3 tonnes in overall weight.42 20.14 58.20 24.43 35.30 30.63 30.44 77.31 35.07 22.44 103.72 72.51 1700 15.07 21.42 78.88 155.81 2000 12.18 57.46 25.80 54.93 36.40 129.74 25.92 40.32 376.00 145.00 193.31 44.80 45.100 kg B e a r i n g b a r s ( m m ) other 80 x 8 Support width * (mm) 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 FP 90 x 8 FP 100 x 8 110 x 8 120 x 8 Point load in kN b e a r i n g b a r s u p t o 2 0 0 x 1 2 o n r e q u e s t.66 42.08 24.32 61.60 31.82 17.04 35.32 162.11 38.40 320.84 64.21 24.58 216.45 29.10 34.34 28.16 216.com 6 . The bearing bars and the cross bars are inter-locked with one another and then processed at a pressure of 12.00 39.44 55.93 30.44 24.30 22.20 16.00 116.76 192.77 35.59 27.07 54.80 80.24 1900 13.64 324.60 19.76 61.ferrograte.15 53. 96 486.30 64.80 345.42 39.25 115.30 41.53 108.04 86.00 57.00 36.08 233.43 128.29 87.39 50.56 81.36 75.08 62.53 120.00 245.00 288.08 172.60 147.24 188.66 53.56 138.90 75.48 324.83 55.65 237.33 169.27 60.24 86.00 276.04 737.74 104.00 144.00 983.39 165.64 416.73 51.68 121.32 208.86 57.06 161.12 102.80 235.24 162.53 32.40 88.72 648.80 202.88 138.75 85.00 115.29 72.82 134.08 42.60 720.40 384.93 373.96 63.38 46.00 163.84 184.69 44.36 69.28 276.32 432.52 554.96 43.24 188.96 405.58 518. you must give us details in advance – wheel load.84 108. 2500 mm If the gratings you order are for vehicular use.41 59.16 466.20 135.72 752.78 7 www.80 67.00 62.70 82.16 110.49 139. clear span and direction of travel so that we can calculate the grating flooring.84 73.ferrograte.17 62.60 67. load carrying area.27 44.32 432.32 933.82 665.89 134.16 832.80 37.00 564.81 266.20 82.04 47.36 54.40 331.38 451.00 81.80 180.49 41.63 117.72 72.24 207.84 70.61 76.32 174.00 139.48 864.40 117.57 113.16 125.00 540.72 155.26 66.88 86.36 45.60 78.40 90.80 74.91 332.76 1244.00 491.34 63.05 143.64 348.78 389.88 622.00 648.12 162.68 141.64 36.24 162.00 368.40 72.00 278.60 540.36 243.61 63.Heavy Duty Press Locked Gratings Bearing bar Cross bar 80x8 15x6 90x8 25x6 100x8 25x6 110x8 25x6 120x8 25x6 25x6 130x8 140x8 40x6 150x8 40x6 80x10 40x8 90x10 40x8 100x10 40x8 110x10 40x8 120x10 40x8 130x10 40x8 140x10 40x8 150x10 40x8 100x12 40x10 110x12 40x10 120x12 40x10 130x12 40x10 140x12 40x10 150x12 40x10 160x12 40x10 170x12 40x10 180x12 40x10 bearing bar length max.20 156.52 47.79 259.18 FP FP 1109.20 294.48 376.16 216.20 77.70 58.40 270.94 67.80 101.03 54.56 44.86 746.08 62.28 207.64 92.41 76.94 108.37 83.00 230.00 53.60 360.46 186.46 166.35 77.00 184.12 81.05 45.54 39.64 470.44 103.78 232.12 81.49 112.00 57.20 270.00 552.84 60.48 109.60 52.12 104.38 52.04 116.90 133.50 34.02 57.48 414.44 144.40 115.26 86.28 185.05 151.80 627.48 376.14 39.00 192.40 154.16 138.20 464.62 58.89 194.40 589.24 324.39 55.com .33 118.69 225.12 118.16 216.40 313.92 92.25 69.00 92.50 230.00 64.08 69.44 311.12 69.48 324.36 282.98 124.53 80. Standard Mesh Spacing Bearing bar 25 50 75 100 Bridge class x x x x 50 50 50 50 100 100 100 100 75 75 Wheel load Colour key Vehicle up to 3 t Vehicle up to 9 t Vehicle up to 30 t Vehicle up to 60 t 3/3 9/9 30/30 60/30 Cross bar Load carrying area 10 kN 30 kN 50 kN 100 kN 200 200 200 200 x x x x 200 260 400 600 mm mm mm mm Bearingbars(mm) 120 x 10 130 x 10 140 x 10 150 x 10 100 x 12 110 x 12 120 x 12 130 x 12 140 x 12 150 x 12 160 x 12 170 x 12 180 x 12 FP FP FP FP FP FP FP FP FP FP FP 460.14 210.00 30.40 105.90 129.72 72.60 135.00 116.76 277.00 122. Areas of Application: Pedestrians. Ductile Iron. SPECIFICATION TABLE: Type Class Description Load A A15 Manhole cover and Gully cover 15KN B B125 Manhole cover and Gully cover 125KN C C250 Manhole cover and Gully cover 250KN D D400 Manhole cover and Gully cover 400KN E E600 Manhole cover and Gully cover 600KN F F900 Manhole cover and Gully cover 900KN Architectural gratings we have many pattern variations for you to choose from and we are able to offer gratings to match and suit your load requirements. Docks. www. STEP IRONS available in Galvanized Finish & Plastic coated Finish. Tree Grates etc Manufactured as per BS EN 124 and covers all application sectors. Gratings are manufactured from Cast Iron. Footways. Manufactured as per BS EN 1247. Various sizes available as per request. Gully Gratings. Kerbside Channels of roads.ferrograte. Airports Trench in ware houses & etc. Carriage ways. Stainless Steel laser cut.com 8 . Channel gratings. Kerb Gullies. Galvanised Steel with or without frames. an ideal product to change the danger zone safest for everyone Ferrograte offers wide range of Manhole covers with frames. Step Irons. More Information available on request.ductile iron / gully gratings FERROGRATE. Carparks. or blasting with sand or glass pearls. 40/5. 50/2. mm. 1". 25/5. the standard panels have no edge trims. 3000x1000 mm/99" x 3'3" or approx. 25. 9 www. All specified sizes up to the above dimensions can be banded with edge trims on request. 6000 x 1000 mm/19. Material no. 15/46. b) Bearing bar dimensions : 20/2. pickled. 30/11. 1. 1. The standard panel sizes are approx. 13/16". 20/3. 40/40.4301: Rust resistant (AISI 304) 2. Material no. 30 and 40 mm 3/4". c) Material : Basically stainless steel gratings are produced in two different materials : 1. 25/2. 25/3. 40/2. 30/2. Stainless Steel Gratings a) Meshes : 30/30.4571: Rust and acid resistant (AISI 316L) d) Surface treatments : Raw (untreated).com . 20/20. 15/96. 32/29. 32/46. Aluminium gratings are available in heights of 20. 50/3. 32/96 mm All meshes can be produced in plain or serrated surface design.ferrograte.6" x 3'3" The direction of the bearing bars is denoted by the underlining. The finished panels can be cut to size at any point without impairing the strength and rigidity. 30/60. 30/3. 40/3. 23/23. 30/5.ALUMINIUM GRATINGS ALUMINIUM GRATINGS Aluminium gratings are manufactured by a high-power pressing process in which all joints are made without welding. and 19/16". electro polished. 50/5. 5 kN spread over an area of 150 mm x 150 mm placed at the centre of the front edge of a tread. The maximum recommended deflections is 1/200th of the effective span or 6 mm whichever is lesser.com 10 .FLAT 15 15 D E END PLATE WIDTH (F) RECOMMENDED WIDTHS (Based on 5mm load bars) (A or F) A TYPE 130 160 190 B TYPE 122 163 204 220 250 280 310 245 286 327 LOAD BEARING BAR SIZE AND MAXIMUM LENGTH 20X3 20X5 25X3 25X5 30X5 A TYPE 665 841 944 1095 1311 B TYPE 597 732 846 1004 1228 LOAD BAR SIZE Stairtreads are designed for a simply supported condition when having a single concentrated imposed load of 1. www.ferrograte.GRATING STAIR TREADS ST R IN G TREAD RISE (K) ER LI N E Antislip NOSING TREAD OVERLAP 16 MINIMUM (M) GOING (L) TO SUIT K TREAD WIDTH (A) NOSING WIDTH (5) GRATING CENTRE WIDTH (C) H REAR CORNER OF TREAD END PLATE SNIPED OFF AS SHOWN UNLESSMARKED THUS FRONT FIXING HOLE 14 DIA 0 45 REAR FIXING HOLE 14 X 30 SLOT UNLESS NOTED OTHERWISE. TREAD END PLATE IS 65 X 6 M.S. BEARING BAR SELECTION Once the bar spacing is selected. inlet covers and airports. This Heavy Duty grating is manufactured with serrated bearing bars and serrated rectangular cross bars.GRATING Clamps Available in stainless steel 304 or 316. loading docks. To maximize skid resistance. specify 100% Serrated grating. Mild steel Hot Dip Galvanized Comprising of F Saddle Clip F Pressed Clamp Plate F M8 x 70 Bolt & Nut Manually Welded Heavy Gratings Welded Heavy Duty Gratings are designed to meet the need for gratings subject to heavy rolling and static loads such as highways. Since these conditions can range from light-duty forklifts to semi-trucks and trailers carrying maximum allowable highway loads. SERRATED SURFACE Optional serrated bearing bars can be specified to enhance skid resistance. Heavy Duty gratings are manufactured in a wide variety of bar sizes and spacing.com . 11 www. the bearing bar size must be specified based upon the anticipated load and the clear (unsupported) span to be served. plant floors.ferrograte. the load values of gratings manufactured with closed and sandwich surface increase from a minimum of +35% up to +200% compared to the load values of the same mesh type with open surface (if you need to define correct load values for specific applications please contact our Technical Department). www.FRP Molded Gratings Span mm concentrated load with 300x75 mm block Safety factor Load with 10:1 load daN 1% defl. 10:1 load daN/m2 Pedestrian Traffic mesh 85x18xh25 (100x25xh25) 270 1650 1660 260 210 700 940 190 200 360 600 160 190 210 420 350 200 1300 1120 230 160 550 630 400 600 420 800 1000 1200 mesh 30x30xh25 (40x40xh25) 600 800 1000 170 150 280 1200 130 140 160 280 600 550 380 2220 2100 Light -medium Loads mesh 30x30xh30 (40x40xh30) 800 390 300 940 1180 1000 290 280 480 760 1200 230 270 280 530 mesh 19x19xh30 (25x25xh30) 600 570 350 2420 1930 800 420 270 1020 1090 1000 320 260 520 700 1200 260 250 300 480 600 950 430 4470 3250 800 680 335 1890 1830 1000 540 320 970 1170 430 300 560 810 600 640 430 2660 1820 800 450 340 1120 1020 650 Semi-heavy Loads mesh 30x30xh38 (40x40xh38) 1200 mesh 8x8xh30 (17x17xh30) 1000 345 325 570 1200 280 310 330 450 600 1160 600 4930 3270 800 850 460 2080 1840 1000 660 440 1070 1180 530 430 620 820 Heavy Loads mesh 19x19xh40 (25x25xh40) 1200 mesh 40x15xh55 (50x25xh55) 1620 620 3930 2780 1000 1380 585 2010 1780 1200 990 540 1170 1230 1400 780 500 730 910 800 Gratings with closed and sandwich surface Depending on the selected mesh type.com 12 .ferrograte. uniformly distributed load Load with Safely factor 1% defl. Ticomm & Promaco stabilizes the beams against U.ray exposure by adding a resin-rich synthetic veil on the external surface.com . Model 470 is in conformity with EN 14122 standards.. The guardrail system is composed of various standard elements: vertical posts. this barrier increases the volume of resin and avoids leaving the fibers in plain view. Manufactured by the pultrusion process(continuous wetfiber rovings and mat are pulled through a series of forming guides and heated) the structural shapes have extraordinary rigidity. they can be adapted to any application. H sections. beyond 6 m. a thousand times more rigid and unique in its kind (see technical sheet). The production range starts from a 50x50 square shape up to a large 200x200 H shape. I. guaranteeing extraordinary mechanical properties to the system (superior to those of steel on a weight to weight comparison). In many cases Ticomm & promaco also incorporates a C type glass while avoiding the use of additives which often decrease the chemical properties. the fiberglass reinforced polyester guardrail shapes contain up to 70% glass fibers. U. lengths. Excellent mechanical resistance The excellent mechanical resistance and the anti-slip rung profile. Square shapes.V. with or without safety cage. The Ticomm & Promaco structural shapes are designed to ensure complete reliability and safety. 13 www.. make the ladders ideal for intensive use. various sections of shapes of 6 Mts. in two parts). corrosion resistance and lightweight.ferrograte. Technical characteristics Manufactured by the pultrusion process (continuous wetfiber rovings and mat are pulled through a series of forming guides and heated) the structural shapes have extraordinary rigidity. fixing bases. Fixed vertical ladders are suitable for any application in corrosive environments.FRP Guardrails FRP Vertical Ladders FRP Structures FRP Guardrails Manufactured with the pultrusion process (heat polymerization of a profile drawn through a die). corrossion resistance and lightweight. The Ticomm & Promaco structural shapes are designed to ensure complete reliability and safety. Corrosion resistance: without problem The thermosetting isophthalic resin system normally used guarantees excellent corrosion resistance (other resin systems available on demand). Main Features High mechanical resistance Light weight Easy installation and fabrication Electrical and thermal insulation Maintenance Free FRP Vertical Ladders Corrosion proof ladders Manufactured with isophthalic resin putruded profiles. FRP Structures A complete range of structural shapes. Their lightweight structure further helps easy installation. Easy to use Supplied in the requested lengths (up to 6 m in one part. With or without fixing plates. 2 mm 30.com 14 .2 60% 33% 15.1 mm 50.0 12.1 33% 50% "T" H=50.1 mm 22. VINYL ESTER RESIN SYSTEM This resin formulation provides a flame spread rating of less than 25 according to ASTEM E84 norm. Standard color is yellow.7 mm 11.4 mm 19. Both resin systems provide superior corrosion resistance compared to metal gratings.1 60% 25. Standard color is grey.5 15.2 mm 38.FRP Pultruded Gratings SELECTION & DESCRIPTION CODE BEARING BAR BAR WIDTH BAR SPACING OPEN SPACE WEIGHT KG/M2 OPEN AREA GI-6010 GT-3310 GI-5015 GI-6015 GT-3320 GT-5020 "I H=25.2 mm 19.8 mm 12.1 "T" H=50.4 "I" H=38.2 mm 38.1 mm 22.9 mm "T" H=25. www.ferrograte. Gratings in this resin formulation are designed to be used in highly corrosive environments where the contact of harsh chemicals is frequent.4 mm 25.4 mm 38. Gratings in this resin formulation are designed to be used in moderate corrosive environments where splashes and spills of harsh chemicals are likely.8 15.8 mm 12.7 mm 25.4 15.1 mm 50.1 50% "I" H=38. ISOPHTHALIC RESIN SYSTEM This resin formulation provides a flame spread rating of less than 25 according to ASTM E84norm.8 RESIN SELECTION Eurograte pultruded gratings are manufactured using two resin formulations that are suitable for most of the industrial applications.5 mm 15.4 38.9 mm 16. 0 12.0 1.4 5.0 3.4 2.2 4.4 2.5 1.5 5.7 1500 1.DEFLECTION IN MM SPAN 800 1000 1200 1400 1600 1800 9.2 6.DEFLECTION IN MM SPAN 600 800 1000 1200 1400 CODE 150 300 450 GI-6010 <1 1.0 10.2 12.1 9.5 1.5 2.8 14.8 1.6 <1 1.2 5.9 8.8 GT-3310 3.0 7.6 7.4 10.5 4.6 GT-3310 GI-6010 GT-3310 2.0 15.5 8.5 9.4 3.4 MM THICKNESS GRATINGS UNIFORMLY DISTRIBUTED LOAD (KG/M2) .2 1.2 1.6 1.0 12.9 3.DEFLECTION IN MM SPAN 800 1000 1200 1400 1600 1800 CODE GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 250 <1 <1 <1 500 <1 <1 1.6 4.0 900 1000 2100 3.4 GI-6010 4.2 5.com .0 6.5 2.4 7.0 9.5 12.5 17.6 3.6 GT-3310 <1 <1 1.2 4200 8.6 6.2 2.8 11.5 7.DEFLECTION IN MM SPAN 600 800 1000 1200 CODE 250 500 750 1000 1250 1500 2000 2500 3000 GI-6010 <1 <1 <1 1.9 9.6 5.8 5.7 14.4 8.0 3.3 2.1 6.2 10.7 4.4 2500 2.0 7.8 2.0 7.5 4.9 GT-3310 <1 1.8 13.8 4.7 6.2 5.5 1.2 10.2 9.2 6.4 8.2 10.1 6.4 3.0 4.8 4.8 3.1 1.4 10.0 5.6 2.5 3.0 LOAD TABLES 38.2 2.8 2.2 CONCENTRATED LINE LOAD (KG/M) .8 2.0 10.6 11. limit deflection to span divided by 200.7 4.5 7.9 4. The load values could have a variation of +/-10%.8 8.8 5.6 2.6 GT-3310 6.4 1.7 2.5 4.5 7.2 8.5 8.9 16.5 5.1 10.8 13.7 2.2 450 <1 <1 1.4 12.1 2.0 2.7 3.2 9.6 4.4 4.1 MM THICKNESS GRATINGS UNIFORMLY DISTRIBUTED LOAD (KG/M2) .2 4.6 750 3.2 9.0 CONCENTRATED LINE LOAD (KG/M) .7 GI-6010 4.5 GI-6010 5.9 7.4 10.0 11.3 12.3 1.2 1.7 7.0 3.6 1000 <1 1.1 2100 4.4 3.8 12.0 2.4 2.8 GI-6010 600 2.0 13.0 5.8 600 <1 <1 2.3 5.5 10.7 11.6 3.6 6.4 14.2 12.6 12.8 GT-3310 GI-6010 <1 2.0 3.0 13.4 14.9 7.8 5.6 1050 2.7 3.5 3000 2. 15 www.0 10.3 3.0 5.5 6.8 <1 1.6 Load-deflection information The load data indicated in the tables represent typical values calculated by our testing laboratory and are intended as a selection guide of the best suited grating.8 4.0 900 1.4 8.1 750 <1 <1 1.8 3.0 2.0 9.6 5.4 CODE GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 GI-5015 GT-6015 150 <1 <1 <1 300 <1 <1 1.1 8.1 5.4 5. Loads In case of pedestrian loads we suggest selecting a grating with deflection limited to the lesser of 10mm or span divided by 125.1 2.2 7.1 3.2 7. For a stiffer feeling.0 8.8 14.FRP Pultruded Gratings LOAD TABLES 25.3 3.2 GI-6010 <1 1.5 3.2 12.3 1.6 9.ferrograte.5 9.2 9.7 GT-3310 5.5 4.1 9.4 3.4 13.8 3.3 1.5 8.0 4.1 2.4 750 1.4 10.3 GT-3310 4.0 13.3 2000 1.2 12.0 2.8 2.0 8.3 2.8 14.7 8.0 3.2 1250 1.2 5.2 4200 11. SPECIFICATIONS OD . Bridges. Schools.76 mm OD www. Grating and Stair treads.ferrograte. Power stations.com 16 . Sewage treatment works and Marinas. Kickplates. rails bends.3 mm NB .40 mm WT . Parking stations.Steel Hand Rails Ferrotech can supply Handrail system comprising of stanchions. Commercial Premises.48.3. Gangways. APPLICATIONS Stairways.2 mm or 4 mm Ball Size . Fire escapes. Standard Connectors.Standard Connectors. Cable Ladders also available in special lengths of 3.Horizontal Bend (90° & 45°).0. BS/IEC 61537. Straight Reducer.2.000 & 7. Bonding Jumper Cover Type:. Adjustable / Expansion Connectors. Horizontal Cross. NEMA VE 1.Plain Cover. Horizontal TEE. Louvered Cover & Flanged Louvered Cover(Thickness 1.5/2 &2. Right Angle Connector. Side Cover Connector.Cable Trays MANUFACTURING STANDARDS: Our products are manufactured as per the international standards BS50085.5mm Rung type: Slotted C Section / Pipe Rung Rung spacing : 150/250 &300 Fittings :. (d) Stainless Steel (e) FRP/GRP Cable trays & Ladders supplied in standard lengths of 2. 6.315 on request. Adjustable Bend etc Accessories:. Hold Down Clamp. (c) Aluminium.2/1.2/1. Accessories:. Inside Return Flange.0.1.0mm) 17 www. Flanged Plain Cover.Profile Flange Specifications: Width : 50/75/100/125/150/200/225/250/300/400 UPTO 1200 mm Height : 25/50/75/100mm Thickness : 1/1.2.5&2. Vertical & Horizontal Adjustable Connectors . (b) Pre Galvanised Steel. Horizontal Bend ( 30°. "C". Painted & Powder Coated).Plain Cover. Right Hand Reducer.00 Meters.5 &2 mm Fittings :. Right Hand Reducer. CABLE LADDER Cable Ladders Fabricated with Outside & Inside flange Specifications : Width : 50/75/100/125/150/200/225/250/300/400 UPTO 1200 mm Height : 50/75/100/125 & 150 mm Thickness : 1/1.858. Hold Down Clamp.1.0mm) CABLE TRAY Types:Plain Flange Type . ASTM & UL.ferrograte. Guide Clamp.5&2. Louvered Cover & Flanged Louvered Cover(Thickness 1. Outside Return Flange.com . Vertical & Horizontal Adjustable Connectors .60° & 90°).44 & 3. Neck Screw. Vertical TEE. Left Hand Reducer. Bonding Jumper Cover Type:.Horizontal Cross. Flanged Plain Cover.1. 90° Inside & Outside Riser.45°.90° Internal & External Riser. Fish Plate . MANUFACTURED IN (a) Mild Steel (Finish Hot Dip Galvanised.1. Unequal Cross & TEE. Horizontal TEE. Left Hand Reducer. The typical 1 hour fire rating can be achieved with a 140mm slab. whilst still achieving a typical 1 hour fire rating. An excellent quality profile which is also priced competitively.2mm. Due its 1. all profiles are manufactured from steel strip to BSEN 10143 and BSEN 10147 with guaranteed minimum yield strengths of 280 and 2 2 350 N/mm and a minimum coating mass of 275g/m The differing advantages of each profile gives the flexibility to meet specific projects requirements.0m cover width. BEARING FOR TRIM ONTO STEELWORK 50mm min. Metal Decking R51 Metal Decking TR60 CONCRETE SLAB CONCRETE SLAB MESH REINFORCEMENT (or TAB-Deck) CONCRETE SLAB MESH REINFORCEMENT (or TAB-Deck) MESH REINFORCEMENT (or TAB-Deck) TR60 DECK PROFILE R51 DECK PROFILE TR60 DECK PROFILE 19mm O x 95mm SHEAR STUD END TAPE Metal Decking TR80 19mmO x 95mm SHEAR STUD EDGE TRIM AND RESTRAINT STRAP EDGE TRIM AND RESTRAINT STRAP 0. Using this profile slabs as thin as 100mm can be constructed.ferrograte. BEARING FOR DECK ONTO STEELWORK The TR80 provides the greatest spanning capabilities of our range. In addition.7mm END CAP FIXINGS TO SUIT PROJECT SPECIFICATIONS 19mm O x 120mm SHEAR STUD EDGE TRIM AND RESTRAINT STRAP 0. the 150mm rib spacing of this profile allows the greatest number and optimum performance of shear studs to maximise the benefits of composite beam design. The typical 1 hour fire rating can be achieved with a 130mm slab. . BEARING FOR TRIM ONTO STEELWORK 50mm min.Composite Metal Decking Profiles Profiles to suit your design specification We offer a range of profiles in gauges varying from 0. 18 50mm min.9mm to 1. BEARING FOR TRIM ONTO STEELWORK 50mm min. BEARING FOR DECK ONTO STEELWORK 50mm min. this profile can be installed quickly making it a popular choice for many design engineers. The TR80 profile has a concrete volume up to 25% less than other profiles.7mm END CAP FIXINGS TO SUIT PROJECT SPECIFICATIONS FIXINGS TO SUIT PROJECT SPECIFICATIONS 50mm min. www. the TR80 delivers strength as well as high speed of installation.com The TR60 profile gives high span capabilities at a competitive price. BEARING FOR DECK ONTO STEELWORK The R51 offers the greatest slab load bear -ing capacity in our range. 15 .Eco-vinsand C-Mix.30 d2 d1 L Dimensions of shear connectors (All dimensions are in mm. Refractory Anchors Brick anchoring systems B-01 Staples Concrete Anchoring systems for one component linings C-01 Split ‘Y’ Anchor C-02 Standard’V’ Anchors. Carbon Upto 0. (d2) Length (L) 16 32 50/75/100/125 19 32 75/100/125/135 22 35 75/100/125/135 25 40 75/100/125/135 Through deck welding is also possible where the Headed shear connector is welded through a formed galvanized sheet onto a steel beam.ferrograte.30 .0. We can provide different lengths against order.Shear Connector Studs Headed Shear Connector Studs Technical Data (Shear Connectors) Tensile strength Minimum 450 N/mm2 Yield point Minimum 350 N/mm2 Elongation 20%min. Concrete is then poured over the formed sheet and the shear connectors. C-14 Round Y Anchors Concrete Anchoring systems for two composite linings D-01 Twin Pin Anchor D-02 ‘V’ on Nut System D-03 Threaded V and CH anchors Ceramic Fibre anchoring systems F-01 P-Pin System F-02 Fiberfix System F-04 Press On Clip System F-05 M A S System F-06 Cerafix System X-01 Cerascrew 19 www.18 Manganese 0.0.com . (d1) Stud Dia.0.) Stud Dia.08 .60 Silicon 0. C-03 Corrugated bullhorn (stud welding) C-04 Heavy corrugated bullhorn C-05 Corrugated ‘H’ Anchors C-06 Flat ‘Y’ Anchors C-07 Flat ‘E’ Anchors C-08 Corrugated ‘V’ strip C-09 Corrugated ‘V’ Anchors C-10 TW Movable Anchors C-11 Corrugated bullhorn (hand welded) C-12 Speed cells. 4mm x 25. Galvanized Welded Mesh Panel is made of superior quality welded Mesh.21.7mm 16.17.1.width: 0.20. Custom packing available at request.7mm x 12. Standard Sheet size 1.7mm 16.18.23.2.21 1” x ½” 25. Custom packing available at request.2 x 3.14 1” x 2” 25.19. Standard roll length:30m. firm structure.1mm 16.5mm.5m to 2. agriculture and so on.0mm F Electro galvanized after welding F Electro galvanized before welding F Stainless Steel welded wire mesh F Crimpled wire mesh Technical Note.4mm x 50.15.14.19 1” x 1” 25.18.65mm 2” x 4” 50mm x 100mm 2. 1.4mm 10.20.20.22 ½” x ½” 12.6.20. Special sizes available at request.12 Technical Note: 1.5m to 2.5. Packing: in waterproof paper in rolls.16.18.24 3/8” x 3/8” 10.4mm 22.11mm.21 3/4” X 3/4” 19mm x 19mm 16.67mm. food.18.18.0mm.width: 0.20. be used extensively in building.18. Assortments available Galvanized Fencing Mesh Opening Wire Diameter F Hot-dip galvanized after welding F Hot-dip galvanized before welding <BWG> In inch In metric unit(mm) 2” x 3” 50mm x 75mm 2.2 x 3.5m to 1.7mm 16. Special sizes available at request.21 3/4” x 3/4” 19.19.20.20. wire netting in reverse twist PVC Coated Welded Mesh Opening In inch In metric unit(mm) Wire Diameter <BWG> 1/2” X 1/2” 12.11mm.4.6mm x 10.16 2” x 2” 50.0mm. packing: in waterproof paper in rolls.23 5/8” x 5/8” 16mm x 16mm 18.22.ferrograte.0mm 2.17.12.2.21.9.17.17.21 1” X 1” 25.16.19.4mm x 25. wire netting in normal twist F Hex.Packing: in waterproof paper in rolls. www.2. width: 0.6.20 Technical Note: 1.19.6mm 19.83mm.1.21 1-1/2” x 1-1/2” 38mm x 38mm 14.8.0m 2.5mm 4” x 4” 100mm x 100mm 2. 3.8mm 3.41mm.19.10.com F PVC coated before welding F PVC coated after welding 20 .1m 3.17.19. Standard roll length: 30m.18.65mm 3” x 3” 75mm x 75mm 2.8mm x 50.Welded Wire Mesh Specification List of Welded Wire Mesh Opening In inch In metric unit(mm) Wire Diameter <BWG> 1/4” x 1/4” 6.4mm x 12.15.Standard roll length: 30m.2.11.4mm 8.4mm x 6. Custom packing available at request.2.12.8mm 14.10. F Woven wire mesh F Hex.5mm . with flat even surface.Special sizes available at request 3.17.8m.1mm x 19.0mm 2.1.13. Standard Sheet size: 1.7mm x 12. 4351 9652 Web : www.ae / [email protected] Tel : +968 24502841.O. LTD.net Ph : +91 . Email : [email protected] 9653 Fax : +91 .net .ferrotechindia. St. Ajman Free Zone.Box : 21023. E-19. INDIA. Tamilnadu.com FERROTECH INTERNATIONAL FZE P. Al-Khuwair.C. 1/39-6-3. Fax : +968 24502842. Thomas Mount.44 . Chennai .Box : 1688.ferrograte. Ajman. FERROTECH STRUCTURALS (INDIA) PVT.600 016. Sultanate of Oman Email : demtoman@omantel. P.com Tel : +971 6 740 11 37. Fax : +971 6 740 11 38 DUBAI ENTERPRISES MODERN TRADING P.net.net. 133.O.44 . United Arab Emirates E-mail : [email protected]. North Parade Road.