Grade Cr12 is tool and mould steel under GB/T 1299-2014 standard. Its equivalent is
ASTM A681 D3 material. Cr12 mould steel is supplied in hot rolled round bars, square bars, hot rolled plates, forged round bars, square bars, forged flats and cold drawn bars.
GB Cr12 Mound Steel Chemical Composition
| Carbon |
2.00-2.30 |
| Silicon |
0.40 max. |
| Manganese |
0.40 max. |
| Chromium |
11.50-13.00 |
Cr12 Cold Work Mould Steel Hardness and Specimen Quenching Hardness
| Grade |
Hardness in annealing HBW |
Specimen quenching hardness |
| Quenching temperature °C |
Cooling medium |
Hardness HRC min. |
| Cr12 |
217-269 |
950-1000 |
oil |
60 |
Katalor is specialized in Cr12 alloy mould steel manufacturing and machining. Supply
Cr12 mould steel round bars, forged steel bars, hot rolled square bars and forged steel flats.
