... ,60Si7,28MnSiB,58CrMnB4,27MnMoVB,65Mn,55CrSi,50CrV,60Si2Mn,CK67,60Si2CrVA ... exported special steel and die steel, including plastic mould steel, hot work steel, cold work steel, alloy steel bar, steel flat bar, round steel bar, bearing steel, high speed tool steel, carbon steel, stainless steel and special steel ... feel free to contact us for further information!Note:1. ... Hot rolled spring steel flat bar