Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.15 | ||
Si | - | 1.50 | ||
Mn | - | 2.00 | ||
P | - | 0.045 | ||
S | - | 0.03 | ||
Cr | 24.00 | 26.00 | ||
Mo | - | - | ||
Ni | 19.00 | 22.00 |
Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes
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) |
---|---|---|---|---|---|---|
258 (≥) | 822 (≥) | 24 | 24 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
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 |
---|---|---|---|---|---|---|---|
183 (≥) | 549 (≥) | 22 | 12 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
928 | 543 | 622 |
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