Heat resisting steels and nickel alloys
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | 0.10 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| P | - | 0.020 | ||
| S | - | 0.015 | ||
| Cr | 18.00 | 21.00 | ||
| Ni | - | remaining | ||
| Al | - | 0.30 | ||
| Ti | 0.20 | 0.60 | ||
| Fe | - | 5.00 | ||
| Cu | - | 0.50 | ||
| Co | - | 5.00 |
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) |
|---|---|---|---|---|---|---|
| 883 (≥) | 717 (≥) | 13 | 32 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 |
| 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 |
|---|---|---|---|---|---|---|---|
| 224 (≥) | 299 (≥) | 23 | 32 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 352 | 658 | 866 |
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