... Description: Alloy steel-cold drawn steel-hexagonal bar 2. Specification: S7-S50 mm 3. Standard: DIN,JIS,ASTM alloy steel1. Description ... : Alloy steel-cold drawn steel-hexagonal bar2. Specification: S7-S50 mm3. Standard: DIN,JIS,ASTM,AISI,BS,SAE,ISO ... operation philosophy is to serve global clients by integrating the China advanced special steel enterprises resources on the basis of ...