Grade:3SP 5SP Q235 Chemical Composition:carbon steel Shape:Square Length:3m to 12m Standard:GB Technique:Hot Rolled Dimensions:50 to 160mm Alloy Or Not:Is Alloy Secondary Or Not:Non-secondary appearance:black Standard:AISI, ASTM, BS, DIN, GB, JIS export main country:asian, south africa,australia,us,Middle east certificate:SGS,BV,ISO90001 Show More