Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy plate, sheet and strip (cobalt base Cr 20, W 15, Ni 10, Mn 1.5)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | 0.15 | ||
| Si | - | 0.40 | ||
| Mn | 1.00 | 2.00 | ||
| P | - | 0.040 | ||
| S | - | 0.030 | ||
| Cr | 19.00 | 21.00 | ||
| Ni | 9.00 | 11.00 | ||
| Mo | - | - | ||
| Co | - | remaining | ||
| Ti | - | - | ||
| Fe | - | 3.00 | ||
| W | 14.00 | 16.00 |
Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy plate, sheet and strip (cobalt base Cr 20, W 15, Ni 10, Mn 1.5)
| 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) |
|---|---|---|---|---|---|---|
| 957 (≥) | 383 (≥) | 41 | 14 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
| 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 |
|---|---|---|---|---|---|---|---|
| 235 (≥) | 944 (≥) | 44 | 11 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 377 | 185 | 284 |
We can customize the production of HR240 grade, contact us for the best solution.
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