... , 60Si2Mn ,55CrMnA ,60CrMnA ,50CrVA, 60CrMnBA,55SiMnVBA , 60Si2CrA spring steel barWe are making the spring flat steel bar all the time ,the detail ... ,50CrV42, SIZE: thick: 5-90 mm width : 40-250mm length : 3-12M3, payment : BY 30% T/T in advanced or L ... through our efforts,our coperation will expand even in future. spring steel bar