Ni-Cr Alloy Precipitation Hardenable
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Cr | 17.0 | 21.0 | ||
| Mo | 2.80 | 3.30 | ||
| Ni | 50.0 | 55.0 | ||
| Al | 0.20 | 0.60 | ||
| Nb | 4.75 | 5.50 | ||
| Fe | - | Bal | ||
| Si | - | 0.35 | ||
| Mn | - | 0.35 | ||
| P | - | 0.015 | ||
| S | - | 0.015 | ||
| B | - | 0.006 |
Ni-Cr Alloy Precipitation Hardenable
| 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) |
|---|---|---|---|---|---|---|
| 177 (≥) | 494 (≥) | 21 | 42 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
| 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 |
|---|---|---|---|---|---|---|---|
| 574 (≥) | 728 (≥) | 21 | 43 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 728 | 985 | 711 |
We can customize the production of N07718 grade, contact us for the best solution.
–sales@specificsteel.com