Wuxi Zhanlu International Trade Co., Ltd
Wuxi Zhanlu adheres to the business philosophy of "quality is life, service is soul", and the principle of complete variety and service first.
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4340 alloy steel is an iron-based alloy containing nickel, chromium and molybdenum. The relatively high carbon content makes this alloy have excellent strength, toughness and ductility in applications with severe service conditions. In addition, the alloy is not easy to embrittle.
Supply Form & Size
| Form of Supply | Size(mm) | Length(mm) |
| Round bar | 6.0mm-1200mm | 2.5m-10m |
Chemical Composition&Related Specifications
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 4340 | 0.38～0.43 | 0.15～0.35 | 0.6～0.80 | ≤0.035 | ≤0.040 | 0.70～0.90 | 0.20～0.30 | 1.65～2.00 |
Brand comparison table
| AISI/SAE | DIN/EN | BS | JIS/KS | China |
| 4340,E4340 | 36CrNiMo4(1.6511) | 36CrNiMo4(1.6511) | SNCM439 | 40CrNi2MoA |
