Heat resisting steels and nickel alloys
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | 0.10 | ||
| Si | - | 0.50 | ||
| Mn | - | 0.50 | ||
| P | - | 0.020 | ||
| S | - | 0.015 | ||
| Cr | 20.00 | 23.00 | ||
| Ni | 58.00 | - | ||
| Al | - | 0.30 | ||
| Ti | - | 0.40 | ||
| Fe | - | 5.00 | ||
| Cu | - | 0.50 | ||
| Co | - | 1.00 | ||
| Nb+Ta | 3.15 | 4.15 |
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) |
|---|---|---|---|---|---|---|
| 255 (≥) | 779 (≥) | 43 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 |
| 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 |
|---|---|---|---|---|---|---|---|
| 155 (≥) | 232 (≥) | 34 | 33 | 34 | 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 |
|||||
| 139 | 167 | 559 |
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