... -82 HRB335, HRB400, SD390, BS4449,BS500,GOST 5781-82 2) Dia.: 12 ~ 32mm 3) Length: ... rolled rebar Standards: GB1499/1998 BS4449 ASTM A 615,GOST 5781-82Grade:HRB335, HRB400,HRB500 Diameter: 12mm-32mm hot ... Gr.40, Gr.60, etc. c. BS4449/1997, GOST 5781-82 etc. Diameter 12mm-32mm etc. Length 6m, ... the production process are made under the ISO 9001:2001 strictly 2. our products conform to all the standards ...