1.Name:U channel 2.Size:50*37--400*104 3.Standards:GB,JIS,ASTM,EN,DIN 4.Length:6-12m 5.Grade:Q235 ... ,SS400,A36,S235JR SS400/SS540 hot rolled mild steel JIS standard U Channels Mild steel U channel, U steel, Hot ... :102*40*3.2-305*80*13mm1.SGS inspection report2.Channel Steel, U channel, Channel for shipment3.Loading pic4.Contact person GB standard U shape channel steel ...