steel flat bar standards 1.Width from 44.5~140mm 2. ... SUP7,SUP9,SUPA,SUP11A 4.TS16949,COC,CIQ China steel flat bar standards Our flat steel factory found in 1999, certificated by ... and lead time by ourselves.1. Spring Raw material & flat bar after-cutting;2. Grade from SUP7(9260), SUP9(5155 ... 120x20 ...Remark:Other sizes are available according to customers' request China steel flat bar standards