Heat resisting steels and nickel alloys
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.08 | ||
| Si | - | 3.00 | ||
| Mn | - | 1.00 | ||
| P | - | 0.020 | ||
| S | - | 0.010 | ||
| Cr | 26.00 | 28.00 | ||
| Ni | 31.00 | 33.00 | ||
| Al | - | 0.025 | ||
| Nb+Ta | 0.60 | 1.00 | ||
| Ce | 0.05 | 0.10 | ||
| N | - | 0.11 |
Heat resisting steels and nickel alloys
| 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) |
|---|---|---|---|---|---|---|
| 845 (≥) | 962 (≥) | 23 | 44 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
| 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 |
|---|---|---|---|---|---|---|---|
| 931 (≥) | 755 (≥) | 12 | 13 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 134 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 623 | 422 | 625 |
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