large diameter alloy tool steel bar 4140 1.7225

Specifications

large diameter alloy tool steel bar
1.1.7225/42CrMo4
2.hot rolled,annealing or pre-hardened
3.steel sheet/flat/round bar

LARGE DIAMETER ALLOY TOOL STEEL BAR

SPECIAL STEEL SCM440 STEEL ROUND BAR

SCM440 steel round bar

1. Chemical composition: C 0.38~0.45, Si 0.17~0.37, Mn 0.50~0.80, Cr 0.90~1.20, Mo 0.15~0.25, P≤ 0.035, S≤ 0.035, Cu≤ 0.30, Ni≤ 0.30

2. Size: Diameter 20~250mm hot rolled round bar; Diameter230~600mm forged round bar

3. Certificate of Quality: Issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

4. Delivery condition: The round bar is delivered in hot rolled, black surface condition. But we can do the annealing and Q&T heat treatment for you.