Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.030 | ||
Si | - | 0.75 | ||
Mn | 4.00 | 7.00 | ||
P | - | 0.030 | ||
S | - | 0.010 | ||
Cr | 21.00 | 23.00 | ||
Mo | 2.00 | 3.50 | ||
Ni | 3.00 | 4.50 | ||
N | 0.25 | 0.40 |
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
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) |
---|---|---|---|---|---|---|
527 (≥) | 577 (≥) | 24 | 42 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
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 |
---|---|---|---|---|---|---|---|
861 (≥) | 215 (≥) | 44 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
659 | 381 | 838 |
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