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4140 polished steel bar wholesale
Dongguan songshun mould steel CO.,LTD. as China's largest steel wholesaler, Main Steel has: 4140 steel,D2 steel,4130 steel,H13 steel,P20 steel,AISI 4340 steel,1.2738 steel,1.2379 steel,1.2344 steel,1.2080 steel etc.. If you are interested in our products, please contact us by email. We hope to establish long-term cooperation relationship with you.
| 1,Size of 4140 Round Bar | ||||||||
| Round bar | Diameter(mm) | Length (mm) |
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| 20~800 | 3000~9000 |
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| Plate | Thickness(mm) | Width (mm) | Length (mm) | |||||
| Max:800 | Max:2200 | Max:9000 | ||||||
| The specification can be customized. | ||||||||
| 2,Chemical Compositons | ||||||||
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.8 | ≤0.035 | ≤0.035 | 0.9~1.2 | 0.15-0.25 | ≤0.3 |
| 4140 | 0.40~0.45 | 0.15~0.35 | 0.75~1.0 | ≤0.035 | ≤0.040 | 0.8~1.1 | 0.15-0.25 | - |
| SCM44 | 0.38~0.43 | 0.15~0.35 | 0.60~0.9 | ≤0.030 | ≤0.030 | 0.9~1.2 | 0.15-0.30 | ≤0.25 |
| 1.7225 | 0.38~0.45 | ≤0.40 | 0.60~0.9 | ≤0.025 | ≤0.035 | 0.9~1.2 | 0.15-0.30 | |
| 3,Features of 4140 Steel Round Bar | ||||||||
| 1, Chromium molybdenum alloy steel | ||||||||
| 2, Slightly higher carbon content then 4130 | ||||||||
| 3, Greater strength and heat treatment | ||||||||
| 4,Typical Applications | ||||||||
| 1, Applications in the oil and gas sector | ||||||||
| 2, Connection rods, collets, conveyor pins, | ||||||||
| 3, Gears, stem assemblies, | ||||||||
| 4, Pump shafts and tool holders | ||||||||
4140 polished steel bar wholesale
