Heat resisting steels and nickel alloys
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.20 | 0.30 | ||
| Si | - | 1.00 | ||
| Mn | 8.00 | 10.00 | ||
| P | - | 0.045 | ||
| S | - | 0.015 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 6.00 | 8.00 | ||
| Al | - | - | ||
| N | 0.20 | 0.40 |
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) |
|---|---|---|---|---|---|---|
| 717 (≥) | 817 (≥) | 22 | 12 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 625 (≥) | 179 (≥) | 14 | 12 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 234 | 395 | 199 |
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