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20Cr4 Quenched and Tempered Alloy Steel-Alloy Structure Steel-Heat Treated
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| Post Date: | Jun 07,2013 |
| Expiry Date: | Jun 07,2014 |
| Detailed Description: |
Quantity: 5Metric Tons Price:950 USD Metric Tons Applications 20Cr4 Quenched and Tempered Alloy Steel is mainly used for making cam shaft,driven gears of small tractor. This kind of steel also is mostly used in the manufacturing of the high demand heart intensity, surface under wear, section under 30 mm or complex and not big load carburized parts (oil quenching), such as: machine tool transmission gear, gear shaft, worm and piston pins, claw clutch, etc. Back to Top All Grades Comparison GB/T 3077 Material no. DIN17210 BS970 ГOCT 4543 20Cr 1.7027 20CR4 527A19/527M20 20X NFA ASTM A29M ASTM A322 ASTM A304 JIS G4104 18C3 5120 G51200(UNS) H51200(UNS) SCr420 Back to Top Chemical Composition(%) C Mn Si P S Cr 0.18-0.24 0.60-0.90 0.40 max 0.035 max 0.035 max 0.70-1.00 Back to Top HEAT TREATMENT AND HOT PLASTIC DEFORMATION TEMPERATURES - TEMPERATURE ° C Cooling Medium Hot working 850-1150 air Soft Annealing 650-700 furnace Carburizing 880-980 - Core hardening 860-900 water Tempering 150-200 air Shanghai Unite Steel CO.,LTD Cindy Liu Tel: +86--021--35316960-811 Fax: +86--021--35316961 Email:cindyliu@shunitesteel.com www.shunitesteel.com www.shunitesteel.com.cn |
| Company: | Shanghai Unite Steel Trading Co., Ltd. [ China ] |
| Contact: | Cindy Liu |
| Tel: | 86-21-35316960-811 |
| Fax: | 86-21-35316961 |
| Email: | cindyliu@shunitesteel.com |
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