12Cr+Ni+Mo+W
China GBT 12Cr+Ni+Mo+W and 12Cr+Ni+Mo+W Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | 12Cr+Ni+Mo+W | GBT | China | |
| CN-3MN | |||||
| 21Cr-24Ni+Mo+N | |||||
| CN-7M | |||||
| 20Cr-29Ni+Mo+Cu | |||||
| CN-7MS | |||||
| 19Cr+24Ni+Mo+Cu | |||||
| 12Cr-4Ni | |||||
| CA-6NM | |||||
| CA-6N | |||||
| 11Cr-7Ni |
Chemical composition(mass fraction)(wt.%) of the 12Cr+Ni+Mo+W
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.20-0.28 | Max 1.00 | 0.50-1.00 | Max 0.04 | Max 0.03 | 11.0-12.5 | 0.50-1.00 | 0.90-1.25 | 0.20-0.30 | 0.90-1.25 |
Mechanical Properties of steel grade 12Cr+Ni+Mo+W
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 531 (≥) | 912 (≥) | 14 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
Physical Properties of steel grade 12Cr+Ni+Mo+W
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 31 | – | – | 0.34 | – | |||
| 441 | 518 | – | 32.3 | 444 | – | ||
| 977 | – | 21 | 43.2 | 433 | 424 |
Heat Treatment of steel grade 12Cr+Ni+Mo+W
Heat treated : 1632°C – 1298°C
Technological Curves of steel grade 12Cr+Ni+Mo+W
No Curve
Cross Reference Table (Equivalent Grade) of 12Cr+Ni+Mo+W
| Grade | Standard | Country | Application |
|---|---|---|---|
| 12Cr+Ni+Mo+W | GBT | China |