Corrosion-resisting and heat-resisting superalloy bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | - | 0.35 | ||
| Mn | - | 0.35 | ||
| P | - | 0.015 | ||
| S | - | 0.015 | ||
| Cr | 17.00 | 21.00 | ||
| Ni | 50.00 | 55.00 | ||
| Cu | - | 0.30 | ||
| Al | 0.20 | 0.80 | ||
| Ti | 0.65 | 1.15 | ||
| Fe | remaining | - | ||
| Nb+Ta | 4.75 | 5.50 | ||
| Mo | 2.80 | 3.30 | ||
| B | - | 0.006 |
Corrosion-resisting and heat-resisting superalloy bars
| 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) |
|---|---|---|---|---|---|---|
| 538 (≥) | 346 (≥) | 34 | 23 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
| 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 |
|---|---|---|---|---|---|---|---|
| 991 (≥) | 419 (≥) | 14 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 776 | 374 | 661 |
We can customize the production of NCF 718 grade, contact us for the best solution.
–sales@specificsteel.com