AISI 4140 / DIN 1.7225/ GB 42CrMo4 - Alloy steel round bar
Negotiable /Metric Ton
Min.Order:20 Metric Tons
Dongguan Circle Four Metal Materials Co., Ltd.
1) Delivery condition:
Hot rolled or forging, EAF or ESR, black or hardened
Hardness: ≤220HB.
2) Chemical composition:
C=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.12~450mm; Length:3000~8000mm
4) Payment :
prepay 30% deposit, T/T or L/C at sigth.