Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.08 | ||
Si | - | 1.00 | ||
Mn | - | 1.00 | ||
P | - | 0.045 | ||
S | - | 0.03 | ||
Cr | 12.00 | 14.00 | ||
Mo | - | - | ||
Ni | - | 0.50 |
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) |
---|---|---|---|---|---|---|
452 (≥) | 785 (≥) | 22 | 12 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
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 |
---|---|---|---|---|---|---|---|
359 (≥) | 814 (≥) | 44 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
851 | 614 | 458 |
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