Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.08 | ||
| Si | 0.40 | - | ||
| Mn | 0.60 | - | ||
| P | - | - | ||
| S | - | 0.007 | ||
| Cr | 19.00 | 21.00 | ||
| Ni | - | remaining | ||
| Mo | 5.60 | 6.10 | ||
| Co | 19.00 | 21.00 | ||
| Ti | 1.90 | 2.40 | ||
| Fe | - | 0.70 | ||
| Al | 0.30 | 0.60 | ||
| Al+Ti | 2.40 | 2.80 |
Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5)
| 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) |
|---|---|---|---|---|---|---|
| 279 (≥) | 844 (≥) | 32 | 24 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
| 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 |
|---|---|---|---|---|---|---|---|
| 359 (≥) | 422 (≥) | 11 | 34 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 985 | 897 | 597 |
We can customize the production of HR10 grade, contact us for the best solution.
–sales@specificsteel.com