Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.02 | ||
| Si | - | - | ||
| Mn | - | - | ||
| P | - | - | ||
| S | - | - | ||
| Ni | - | 8.50 | ||
| Cr | - | 12.00 | ||
| Al | - | - | ||
| Cu | - | 2.00 | ||
| Ti | - | 1.15 | ||
| Fe | - | remaining | ||
| Mo | - | - | ||
| Co | - | - | ||
| Nb | - | 0.38 | ||
| B | - | 0.003 |
Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable
| 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) |
|---|---|---|---|---|---|---|
| 137 (≥) | 299 (≥) | 41 | 11 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
| 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 |
|---|---|---|---|---|---|---|---|
| 241 (≥) | 858 (≥) | 13 | 33 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 363 | 827 | 566 |
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