Product parameters：
Size: 0.20mm - 10.0mm

Standard & Tensile Strength : according to your requirement

Standard:  GB4357-2022   SM DM/SH DH

                 DIN17223   B grade / C grade

                 EN10270-1   SM DM / SH DH

                 ASTM A227   Class I / Class II

Application: suitable for mechanical spring

Package: coils /Z2Z3 /Spool / wooden case