Often used in the manufacture of small bear impact load and wear resistance of high cold cold punching die, punch, shear knife, cold roll, drill sets and wire drawing die, as well as the gauge, model, the CAM pin, eccentric wheel, etc
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 2.00 | 2.30 | ||
| Si | - | 0.40 | ||
| Mn | - | 0.40 | ||
| Cr | 11.50 | 13.00 |
Wide application of cold working die steel with high strength, hardenability and abrasion resistance, quenching deformation;But the impact toughness is poorer, brittle crack, easy to form the uneven eutectic carbides, poor thermal conductivity and high temperature plastic also
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 453 (≥) | 245 (≥) | 32 | 42 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 488 (≥) | 222 (≥) | 31 | 23 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 539 | 421 | 678 |
We can customize the production of Cr12 grade, contact us for the best solution.
–sales@specificsteel.com