steel flat bar,Sping steel,Standard: GB/T702, JIS G3101, JIS G3193 . machinery manufacturing, ship building etc Flat barSize: 100x14mm,100× ... .MaterialQ235B, Q345B, SS400, SS540, St37, St52., 60Si2MnStandard: GB/T702-2004, JIS G3101, JIS G3193Packing: In bundle, each bundle will be attached two metal ...