Cold rolled steel C-beams: Standard: AISI, ASTM, BS, DIN, GB, JIS Grade: Q235B,SS400,S235JR Application: Frame Part Standard: AISI, ASTM, BS, DIN, GB ... & Delivery Packaging Detail:In four circles of 6.5 steel wire rods for 6 meter goods. In six circles of 6.5 ... 6 1) Material: Q235B , SS400,A36,S235JR2) Usage: structure construction and electronic tower building3) Weight tolarance: -4% TO -10%4) Payment ...