Ni-Cr Alloy Precipitation Hardenable
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | - | 1.0 | ||
| Si | - | 0.5 | ||
| S | - | 0.01 | ||
| P | - | 0.015 | ||
| Cu | - | 0.5 | ||
| Fe | 5.0 | 9.0 | ||
| Co | - | 1.0 | ||
| Nb | 0.70 | 1.20 | ||
| Cr | 14.0 | 17.0 | ||
| Ni | 70 | - | ||
| Al | 0.40 | 1.00 | ||
| Ti | 2.25 | 2.75 |
N07750, High-temperature resisting material
| 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) |
|---|---|---|---|---|---|---|
| 664 (≥) | 544 (≥) | 33 | 24 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
| 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 |
|---|---|---|---|---|---|---|---|
| 971 (≥) | 912 (≥) | 12 | 44 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 229 | 971 | 848 |
We can customize the production of N07750 grade, contact us for the best solution.
–sales@specificsteel.com