1.Name:U channel 2.Size:50*37--400*104 3.Standards:GB,JIS,ASTM,EN,DIN 4.Length:6-12m 5. ... /JIS/EN/ASTM/DIN and others.Packing: In Bundle,Fasten by wire rod with tags or according to client's requests. Length ... *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 Q235B