... 900*300mm. grade: Q235B,Q345B,SS400,etc. Best price,best quality Hot rolled I beam section 1. Standard: GB, JIS, ASTM ST2. Material: ... Certificate: ISO, SGS, BV, CIQ or other test8. Technic: Hot rolled9: Surface: painted, galvanized or punch holes10. Main market: East ... structure and Frame use12. Other Main products: Angle steel, H beam and Channel steelIf you would like to know more, please ...