DONGGUAN MISUNG MOULD STEEL CO.,LTD
DongGuan Mi Sung Mould Steel Co.,ltd
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Gb Cr12 Steel Round Bar For Thread Rolling Die With Low Impact Load
D3 / Cr12 / 1.2080 steel is widely used cold working die steel, with high strength, good hardenability and good wear resistance, but the impact toughness is poor characteristics.
Applicaiton:
D3 / Cr12 / 1.2080 steel is widely used cold working die steel, with high strength, good hardenability and good wear resistance, but poor impact toughness.It is mainly used for cold punching die and punch, cold cutting scissors, drill sleeve, gauge, drawing die, embossing die, wire drawing board, drawing die and thread rolling die with low impact load and high wear resistance.
Similar Standards
| Chinese | American | German | Japanese |
| GB | AISI | DIN | JIS |
| Cr12 | D3 | 1.2080 | SKD1 |
Chemical Composition
| Grades | C | Si | Mn | P | S | Cr | Mo | V |
| 1.208 | 1.9-2.2 | 0.1-0.4 | 0.15-0.45 | ≤0.03 | ≤0.03 | 11.5-12.0 | / | / |
| D3 | 2.00-2.35 | 0.25-0.45 | 0.24-0.45 | ≤0.03 | ≤0.03 | 11.5-13.0 | 0.8 | 0.8 |
| Cr12 | 2.0-2.3 | ≤0.4 | ≤0.4 | ≤0.03 | ≤0.03 | 11.5-13.0 | / | / |
| SKD1 | 1.9-2.2 | 0.1-0.6 | 0.2-0.6 | ≤0.03 | ≤0.03 | 11.0-13.0 | / | ≤0.03 |
Heat Treatment
| Heat Treatment | |||||
| Quenching | Tempering | ||||
| Heating Temperature/℃ | Cooling | Hardness/HRC | Heating Temperature/℃ | Cooling | Hardness/HRC |
| 950-980 | Oil | ≥60 | 180-220 | Air | 60 |
| 400 | 54-58 | ||||
