Heat-resistant steels
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.10 | ||
Si | 1.40 | 2.00 | ||
Mn | - | 0.80 | ||
P | - | 0.045 | ||
S | - | 0.030 | ||
Cr | 20.00 | 22.00 | ||
Ni | 10.00 | 12.00 | ||
N | 0.14 | 0.20 | ||
Ce | 0.03 | 0.08 |
Heat-resistant steels
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) |
---|---|---|---|---|---|---|
737 (≥) | 338 (≥) | 24 | 44 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
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 |
---|---|---|---|---|---|---|---|
581 (≥) | 726 (≥) | 44 | 41 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
679 | 239 | 262 |
We can customize the production of X7CrNiSiNCe21-11 grade, contact us for the best solution.
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