... rebar Standard: BS, GB, ASTM,JIS,AISI Outer diameter: 6mm-32mm Grade: HRB335,HRB400,HRB500 20 years' experience Dalian Shengang International ... ,HRB400,HRB500 Standard AISI, ASTM, GB, JIS, BS Diametre 6mm-32mm Length 12m Application Construction Material