... steel 1. Description: Alloy steel-cold drawn steel-hexagonal bar 2. Specification: S7-S50 mm 3. Standard: DIN, ... Specification: S7-S50 mm3. Standard: DIN,JIS,ASTM,AISI,BS,SAE,ISO,TOCT,GB,ABNT4. Payment: By T ... days6. Grades:SAE/AISI: 3415, 4130, 4135, 4140, 4142, 4320, 4340, 5115, 5120, 5135, 5140, 5160, 52100, 6150, 8620, ... unique North China Agent die steel hexagonal bar SAE AISI 3415 / 4130 / 4135