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重要用途碳素弹簧钢丝 GB/T4358-1995 钢的化学成分
化学成分， %
C ： 0.62-0.69
Mn ： 0.70-1.00
Si：0.17-0.37
Group: Welding
In stock
碳素弹簧钢丝 Carbon spring steel wires
(GB/T4357 70# 65Mn SWRH72A SWRH72B T9A T8MnA)
钢丝直径Wire dimension（mm）：0.20-13.00
Group: Spring wire
In stock
高碳钢丝 High carbon steel wire
日本JIS G 3521 SWRJ72A SWRH72B
钢丝直径 Wire dimension（mm）：0.16
拉强度（Mpa)Tensile strength：1910-2210SWA，2210-2550SWB，2250-2890SWC
Group: Wire made of iron or steel
