hot rolled alloy steel aisi 4140/42CrMo4/1.7225 /SCM440 round bar  Detailed Product Description

1.Hot rolled or forging/EAF or ESR/black/hardened
2.100% Ultrasonic test

alloy steel 4140/1.7225/42CrMo4/SCM440:

1) Delivery condition: Hor-rolled, black surface

2) Chemical composition=0.41~0.45, Cr=0.99-1.1, Mo=0.16-0.20, Si=0.17~0.35, Mn=0.60~0.75; P: ≤0.018   S:≤ 0.030,  NI: ≤0.012  Cu:≤ 0.07

3) Specification: DIA.12~600mm; Length: 3-12m

4) Payment: prepay 30% deposit/T or L/C at sight.

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joy at cf-steel dot com dot cn