Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.04 | 0.10 | ||
Si | - | 1.00 | ||
Mn | - | 1.00 | ||
P | - | 0.020 | ||
S | - | 0.015 | ||
Cr | 18.00 | 21.00 | ||
Ni | 65.00 | - | ||
Mo | - | - | ||
Ti | 1.80 | 2.70 | ||
Co | 0.60 | 0.80 | ||
Al | 1.00 | 1.80 | ||
Fe | - | 1.50 | ||
Cu | - | 0.20 |
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
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) |
---|---|---|---|---|---|---|
153 (≥) | 651 (≥) | 32 | 44 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 |
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 |
---|---|---|---|---|---|---|---|
692 (≥) | 721 (≥) | 12 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
427 | 213 | 259 |
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