... tool steel, PM high speed steel, high alloy tool steel, and other alloy steel. Main High speed steel products: M2, M7, M35, M42, M2Al, W9, W18. Main Tool steel ... friends from all over the word in High speed tool steel industry.Tool steel product list:typesHeye gradeContrast gradeGB1299AISIDINJISBOHLEROther contrast gradeCold-work die steelHYD2Cr12Mo1V1D2X155CrMoV121SKD11K110XW-42HYC1 ...