Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | 0.17 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| P | - | - | ||
| S | - | 0.015 | ||
| Cr | 14.00 | 15.70 | ||
| Ni | - | remaining | ||
| Mo | 4.50 | 5.50 | ||
| Co | 18.00 | 22.00 | ||
| Ti | 0.90 | 1.50 | ||
| Fe | - | 1.00 | ||
| Al | 4.50 | 4.90 | ||
| Cu | - | 0.20 | ||
| B | 0.0030 | 0.0100 | ||
| Bi | - | 0.0001 | ||
| Pb | - | 0.0015 | ||
| Ag | - | 0.0005 | ||
| Zr | - | 0.15 |
Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)
| 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) |
|---|---|---|---|---|---|---|
| 518 (≥) | 515 (≥) | 12 | 34 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
| 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 |
|---|---|---|---|---|---|---|---|
| 793 (≥) | 214 (≥) | 24 | 21 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 434 | 463 | 951 |
We can customize the production of HR3 grade, contact us for the best solution.
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