Creep resisting steels, nickel and cobalt alloys
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.18 | 0.24 | ||
Si | - | 0.50 | ||
Mn | 0.40 | 0.90 | ||
P | - | 0.025 | ||
S | - | 0.015 | ||
Cr | 11.00 | 12.50 | ||
Ni | 0.30 | 0.80 | ||
Mo | 0.80 | 1.20 | ||
V | 0.25 | 0.35 |
Creep resisting steels, nickel and cobalt 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) |
---|---|---|---|---|---|---|
921 (≥) | 889 (≥) | 42 | 43 | 24 | 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 |
---|---|---|---|---|---|---|---|
998 (≥) | 417 (≥) | 24 | 21 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
572 | 659 | 854 |
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