| Customization: | Available |
|---|---|
| Standard: | ASTM, AISI, GB, JIS, DIN, BS |
| Certification: | ISO, RoHS |
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1.7225 4140 Forged 42CrMo4 42CrMo Bar Special Steel
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | Cu | P | S |
| 4140 | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.9~1.20 | ≤0.30 | 0.15~0.25 | ≤0.30 | ≤0.035 | ≤0.035 |
| 42CrMo4 | 0.38~0.45 | ≤0.40 | 0.60~0.90 | 0.90~1.20 | 0.15~0.30 | ≤0.035 | ≤0.035 | ||
| 42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.90~1.20 | ≤0.30 | 0.15~0.25 | ≤0.30 | ≤0.035 | ≤0.035 |
| SCM440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | 0.90-1.20 | ≤0.25 | 0.15-0.30 | ≤0.30 | ≤0.03 | ≤0.03 |
It has high strength and hardenability, good toughness, small deformation during quenching, high creep strength and lasting strength at high temperature.
Application
It is used to manufacture forgings with higher strength and larger quenched and tempered cross-section than 35CrMo steel, such as large gear for locomotive traction, supercharger transmission gear, rear axle, connecting rod and spring clamp with great load, as well as drill pipe joint and fishing tool in oil deep well below 2000m.
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