9 Years
42CrMo4 SCM440 1.7225 AISI4140 Forged Round Bar Quenching And Tempering Rough Turned 1. Material: 42CrMo4 2. Standards: GB42CrMo ASTM4140/4142 AISI4140/4142 JIS SCM4 DIN 41CrMo4 NF40CD/42CD4 BS 708M40 ...
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