Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.040 | ||
| S | - | 0.025 | ||
| Cr | 19.00 | 22.00 | ||
| Mo | 4.00 | 5.00 | ||
| Ni | 24.00 | 27.00 | ||
| Cu | 1.00 | 2.00 |
Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip
| 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) |
|---|---|---|---|---|---|---|
| 185 (≥) | 837 (≥) | 14 | 23 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
| 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 |
|---|---|---|---|---|---|---|---|
| 868 (≥) | 475 (≥) | 14 | 11 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 828 | 332 | 331 |
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