Dec 29, 2012
JIS standard oil tempered spring steel wire
Grade: 55CrSi, 60Si2Mn, 65Mn
Dia: 6.0~16.0mm
Standards: ASTM, BS, DIN, GB, JIS
oil tempered and quenched spring steel wire Grade: 55CrSi, 60Si2Mn, 65Mn Dia: 6.0~16.0mm Standards: ASTM, BS, DIN, GB,...