執筆者 ep | 1月 26, 2023 | 未分類
Product Description No.ProductRequirementsoneMaterialsCarbon metal: ten#, eighteen#, 1018, 22#, 1571, 40Cr, 45#, 1045, fifty#, fifty five#, sixty#, 65Mn, 70#, 72B, eighty#, 82BAlloy Composition Metal: B7, 20CrMo, 42Crmo, SCM415, SCM440, 4140Higher-carbon chromium...
