... 0.035Max 0.25Max 0.25We can supply you the spring steel (GB standard) : 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn, 60Si2MnA ... , 30W4Cr2VAGrade: 55Cr3, 51CrV4, 60Si2Mn4 etc.Dimension Rounds: Hot rolled dia.11-90mm, Cold drawn dia.5-50mm Flats: 6-32mm * 44 ... +LF+VD, Hot rolled / Cold drawn, Black / PeeledApplication: Auto manufacture, spring wireWith the short stress production line that can finish foundry ...