1.Product name: U beam steel 2.Size:50-300mm 3.Standards: GB,JIS,EN,ASTM 4.Length:6-12m 5.Grade:Q235,SS400 ... ,A36 SS400/SS540 hot rolled mild steel JIS standard U Channels Mild steel U channel, U steel, Hot rolled U channel, U beamMaterial ... TRADE CO.,LTDATTN:SELINACELL:86-15830565735SKYPE:hbxsd_selina Hot rolled mild steel U Channel Steel SS400