Iron Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 29Fe - 22Cr - 21Ni - 18.5Co - 3.2Mo - 2.8W - 0.78Ta - 0.30Al - 0.05La - 0.20N Solution Heat Treated
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | 0.15 | ||
| Si | 0.20 | 0.80 | ||
| Mn | 0.50 | 2.00 | ||
| Ni | 19.00 | 22.50 | ||
| Cr | 21.00 | 23.00 | ||
| Al | 0.10 | 0.50 | ||
| Cu | - | - | ||
| Ti | - | - | ||
| Fe | - | remaining | ||
| Mo | 2.50 | 4.00 | ||
| Co | 16.00 | 21.00 | ||
| W | 2.00 | 3.50 |
Iron Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 29Fe - 22Cr - 21Ni - 18.5Co - 3.2Mo - 2.8W - 0.78Ta - 0.30Al - 0.05La - 0.20N Solution Heat Treated
| 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) |
|---|---|---|---|---|---|---|
| 711 (≥) | 935 (≥) | 13 | 33 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 496 (≥) | 556 (≥) | 33 | 42 | 22 | 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 |
|||||
| 499 | 258 | 295 |
We can customize the production of HS 556 grade, contact us for the best solution.
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