1).spring steel plate 2).High carbon steel 3).The high ... hot work steel, cold work steel, alloy steel bar, steel flat bar, round steel bar, bearing steel, high speed tool steel, carbon steel ... re-melting(ESR)steel forging materials, but also forging products of piece, bar, etc.2. Our company is equipped with roll equipment ... when inquire.We will reply to you ASAP. Hot rolled spring steel flat bar