... , 38CrSi, 30CrMnSi, 20CrMnTi, 9CrSi, 9Mn25. hot rolled high speed alloy tool steelSize: 12mm-300mmMaterial: W18Cr4V, M42, W6, W9, 3Cr2W8V, CrWMn, ... 65Mn, 50CrVA, 60Si2CrVA7. hot rolled die steel, bearing steel, carbon tool steelSize: 12mm-250mmMaterial: H13, T8, T9, T10, GCr158. cold- ... own rather plentiful export experiences on them. steel round bars(tool bar,free cuting steel,mild steel,forging bar)