1.Product name: U beam steel 2.Size:30-400mm 3.Standards: GB,JIS,EN,ASTM 4.Length:6-12m 5.Grade:S235JR SS400/SS540 hot rolled mild steel JIS standard U Channels Channel steel, U channel section, Hot rolled U channel,Steel U channel bar, channel steel bar ST37-2 Material: SS400, ST37-2, A36, S235JR, Q235, Q345 etc. Standard: GB/JIS/EN/ASTM/DIN and others.Packing: In Bundle,Fasten by wire rod with ...