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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SCM421 has good hot working performance, good cutting performance after normalizing, good comprehensive mechanical properties and low temperature impact toughness after quenching and tempering, high bending strength and wear resistance after carburizing, but poor welding performance. It should be preheated properly before welding, and tempered timely after welding.
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 |
| SCM421 | 0.17-0.23 | 0.15-0.35 | 0.55-0.95 | ≤0.030 | ≤0.030 | 0.85-1.25 | 0.15-0.30 | ≤0.25 |
Brand comparison table
| AISI/SAE | DIN/EN | BS | JIS/KS | China |
| / | / | / | SCM421 | 20CrMnMoA |
