... : Q235, Q235A/B, SS400,Q215 Standards: ASTM, GB, JIS Hot Rolled Steel Round Bar1)Steel Grades: Q235, Q235B, SS400,Q2152)Standards: ASTM, GB ... , JIS3)Dimensions: 12mm-42mm4)Technique: HOT ROLLED5)Application: Structural Steel Bar6)Special Use: Cold Heading Steel7)Type: Carbon ... 15222674676Fax: +86-22-26626658Website: http://www.tjdhhjgc.en.alibaba.com Hot Rolled Steel Round Bar