Standard: AISI, ASTM, BS, GB, JIS Grade: Steel Grade:SD295B,SD390,SD490,KS,HRB,BS, GR... Diameter: Reinforced Steel Bar: 6-4 Specificationsreinforcing steel bar Surface:Bright,black,pickling Standard:ASTM,GB,AISI,JIS.EN ISO9001-2reinforcing steel barwe have extrem experience in steel manufacturing,over the year's technical capabilities and commitment to quality enable us to build abroad client ...