GRADE : DC53, SKD 11, SKS3, SSA2436, G05, SSA2542, SKH 51, SSA2767, SSA2510 Tool steel is any of various carbon steels and alloy steels that are particularly well-suited to be made into tools and tooling, including cutting tools. 工具钢是各种碳钢和合金钢中的任何一种，特别适合制成工具和模具，包括切削工具......
