... ,6-12x63mm,6-15x70mm,8-18x75mm,12-20x80mm,9-25x90mm,10-25x100mm,11-20x120mm,14-20x150mm(single groove & double grooves)60Si2Mn ... /55Si2Mn / 55SiMnVB6For the automobile leaf spring, suspension and special tapered leaf spring processing enterprisesHot-rolled Flat Steel for High-load Vehicle8x140mm,10x140mm,12x140mm,14x140mm,16x140mm ...