... 0.035Max 0.25Max 0.25We can supply you the spring steel (GB standard) : 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn, ... , Hot rolled / Cold drawn, Black / PeeledApplication: Auto manufacture, spring wireWith the short stress production line that can finish foundry and rolling in ... one process, we are able to produce dozens type of spring ...