Ferrous Rolling

March 28, 2018 | Author: Amedeus Eros | Category: Emulsion, Wear, Motor Oil, Surfactant, Materials


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Description

©Croda Europe Ltd 2009.All Rights Reserved Speciality Rolling Oil Components ©Croda Europe Ltd 2009. All Rights Reserved Steel Rolling - Aims • Cooling • Control and filterability of iron fines • Tramp oil rejection • Emulsion stability/particle size control • Clean burn annealing characteristics • Corrosion inhibition • Controlled lubrication – Minimise roll wear – protect surface roughness – Reduce wear of metal surface – reduce iron fines generation – Reduce mill loads and power consumption – Control mill chatter and vibration ©Croda Europe Ltd 2009. All Rights Reserved Basic Chemistry Types Brand Chemistry Formulation Effect Extra Features Priolube Ester Lubricity Clean Burn Pripol Dimer Acids Lubricity Lubricity Boost Crodasinic Sarcosine Corrosion Prevention Temporary protection Hypermer Polymeric Surfactant Emulsion Stabilisers Droplet Size Control/Stability Tramp oil Rejection Synperonic Atlas Surfactant Emulsion Formers Wetting Agents Broad Range of HLB Crodafos Monalube Phosphate Esters AW Additives Extra Lubrication Reduces Wear ©Croda Europe Ltd 2009. All Rights Reserved Base Oils Data • Based on a variety of chemistries and can be used for both Tinplate and Sheet rolling. • The esters are manufactured to give controlled and consistent lubrication performance and to give excellent post-anneal cleanliness. Product Description SAP Value (mgKOH/g) Acid Value (mgKOH/g) Viscosity @ 40°C (cSt) Pour Point (°C) TGA Inflection Point (°C)* TGA Midpoint (°C)** TGA Deposits Falex Coefficient of Friction Falex Load to Fail Priolube 1407 Glycerol mono-oleate 170 0.5 84 0 413 388 Trace 0.048 1825 Priolube 1427 TMP tri-oleate 182 1.0 48 -51 441 431 Slight Trace 0.057 1200 Priolube 1451 n-Butyl stearate 172 0.1 6.4 21 280 263 None 0.044 1320 Priolube 1808 TMP coco 242 1.0 35 -1 413 393 None 0.050 1230 Priolube 1921 NPG coco 232 3.0 17 0 347 330 None 0.068 1140 Priolube 2044 TMP monomerate 180 9.0 85 -3 447 429 Slight Trace 0.052 1050 Priolube 3970 TMP C8/C10 310 0.1 20 -51 364 346 None 0.059 1240 Priolube 3971 PE C8/C10 330 0.1 32 -10 399 382 None 0.046 1330 Estol 1540 2EH cocoate 174 0.1 5.4 -24 267 254 None * Inflection Point is the temperature where the rate of weight loss is at its maximum ** Midpoint is the temperature where the weight loss of the product is 50% ©Croda Europe Ltd 2009. All Rights Reserved Lubricity Booster Data • Dimer acids and complex esters providing excellent lubricity boosting properties. • Complex esters also have the advantage of being cleaner post-anneal. Product SAP Value (mgKOH/g) Acid Value (mgKOH/g) Viscosity @ 40°C (cSt) Pour Point (°C) TGA Inflection Point (°C) TGA Midpoint (°C) TGA Deposits Falex Coefficient of Fricti on Falex Load to Fail Priolube 1929 160 0.1 1700 -21 450 435 Trace 0.060 1270 Priolube 1968 180 2 100 5 443 433 Trace 0.065 1210 Priolube 2087 260 0.5 320 -40 436 417 Slight Trace 0.032 1400 Priolube 3986 0.1 47000 446 445 Trace 0.062 1130 Pripol 1017 198 193 2400 -12 455 411 Trace 0.060 1480 Pripol 1022 199 193 1834 -18 452 407 Trace 0.600 1300 ©Croda Europe Ltd 2009. All Rights Reserved Emulsifiers Product Description HLB Hypermer A70 Polymeric 6 Hypermer B261 Polymeric 8 Atlas G1086 Ethoxylated Sorbitol Ester 10.2 Atlas G1096 Ethoxylated Sorbitol Ester 11.4 Synperonic A Series Ethoxylated Alcohols 5.9 – 18.3 Synperonic LF/RA Series Alkoxylated Alcohols - Synperonic PE Series EO/PO Block Copolymers - • Broad range of emulsifiers to optimise particle size and stability • Two or more emulsifiers are used in combination to get the perfect balance between emulsion spontaneity and stability ©Croda Europe Ltd 2009. All Rights Reserved Emulsifiers – Hypermers Particle Distribution 0.6 1.0 1.5 2.3 3.4 5.2 7.9 1 3 5 10 21 42 Particle size distribution using Hypermer A70 Particle size distribution using Hypermer B261 • Unique polymeric emulsifiers that control the particle size and therefore controls the amount of oil that plates-out on the surface of the strip and the amount of lubrication. • They are shear stable and resist the formation of multi-modal particle distributions which lead to irregular lubrication in the roll bite. ©Croda Europe Ltd 2009. All Rights Reserved Emulsifiers – Hypermers Tramp Oil Rejection 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 Ti me (mi ns) m l s Rol l i ng emul si on Mi xed emul si on Rej ected tramp oi l Without Hypermer 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 Ti me (mi ns) m l s Rol l i ng emul si on Mi xed emul si on Rej ected tramp oi l With Hypermer Test : Modification of ASTM D1401 Test • These graphs demonstrate that the Hypermer completely rejects the tramp oil. • The unique chemistry of the Hypermers prevents any emulsification of the tramp oil. ©Croda Europe Ltd 2009. All Rights Reserved Phosphate Esters Product 4 Ball Mean Wear Scar (mm) Falex Load to Fail Falex Coefficient of Friction Monalube 215 0.536 1970 0.054 Crodafos T5A 0.562 1825 0.075 Crodafos N3A 0.464 1770 0.059 Crodafos 2EHAP 0.422 1880 0.065 Crodafos N10A 0.452 2100 0.048 • Broad range of products. • Variety of basic chemistries. ©Croda Europe Ltd 2009. All Rights Reserved Wetting Agent/Film Former • Unique and highly effective film former offering significant benefits to the formulator: – Superior wetting performance – Film consistency between stands – Excellent emulsion distribution in roll bite – Improved mill performance Standard rolling emulsion Standard rolling emulsion plus Synperonic LR/RA30 ©Croda Europe Ltd 2009. All Rights Reserved Corrosion Inhibitors Product Appearance Acid Value Crodasinic L White waxy solid 202-214 Crodasinic O Clear yellow liquid 154-163 Crodazoline O Liquid n/a • Effective coil protection. • Can be employed in standard form or neutralised form. • Temporary corrosion protection prior to downstream processes. • Easily removed. ©Croda Europe Ltd 2009. All Rights Reserved The information in this publication is believed to be accurate and is given in good faith but no representation or warranty as to its completeness or accuracy is made. Suggestions for uses or applications are only opinions. Users are responsible for determining the suitability of these products for their own particular purpose. No representation or warranty, express or implied, is made with respect to information or products including without limitation warranties of merchantability or fitness for a particular purpose or non-infringement of any third party patent or other intellectual property rights including without limit copyright, trademark and designs. Any trademarks identified herein are trademarks of the Croda group of companies. Disclaimer
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