21Cr-24Ni+Mo+N
USA AISI 21Cr-24Ni+Mo+N and 21Cr-24Ni+Mo+N Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | 21Cr-24Ni+Mo+N | AISI | USA | |
| UNS J93000 | |||||
| 19Cr-11Ni+Mo | |||||
| 20Cr-29Ni+Mo+Cu | |||||
| ASTM CN-7M | |||||
| UNS J08007 | |||||
| ASTM CN-7MS | |||||
| UNS J94650 | |||||
| 19Cr-24Ni+Mo+Cu | |||||
| ASTM CN-3MN | |||||
| UNS J94651 |
Chemical composition(mass fraction)(wt.%) of the 21Cr-24Ni+Mo+N
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | N(%) | Cu(%) |
|---|---|---|---|---|---|---|---|---|---|
| Max 0.03 | Max 1.00 | Max 2.00 | Max 0.04 | Max 0.010 | 20.0-22.0 | 23.5-25.5 | 6.0-7.0 | 0.18-0.26 | Max 0.75 |
Mechanical Properties of steel grade 21Cr-24Ni+Mo+N
| 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) |
|---|---|---|---|---|---|---|
| 318 (≥) | 491 (≥) | 32 | 13 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
Physical Properties of steel grade 21Cr-24Ni+Mo+N
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | – | – | 0.23 | – | |||
| 232 | 823 | – | 12.3 | 331 | – | ||
| 761 | – | 41 | 22.2 | 433 | 113 |
Heat Treatment of steel grade 21Cr-24Ni+Mo+N
Heat treated : 1195°C – 1845°C
Technological Curves of steel grade 21Cr-24Ni+Mo+N
No Curve
Cross Reference Table (Equivalent Grade) of 21Cr-24Ni+Mo+N
| Grade | Standard | Country | Application |
|---|---|---|---|
| 21Cr-24Ni+Mo+N | AISI | USA | |
| 21Cr-24Ni+Mo+N | AISI | USA |