USA ASME SB-625, SB-625 R20033 Specialsteel UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | SB-625 R20033 | Precipitation-Hardening | ASME | USA | UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip |
| C | Si | Mn | Cr | Ni | Mo | Co | W | Al | Cu | Ti | Fe | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.12 | ≤0.30 | ≤0.80 | ≤19.00 | ≤14.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤remaining | ≤1.60 |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 217 (≥) | 218 (≥) | 14 | 12 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.34 | - | |||
| 782 | 711 | - | 33.3 | 411 | - | ||
| 599 | - | 14 | 14.2 | 333 | 223 |
Heat treated : 1148°C - 1543°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| R-20 | |||
| 25Cr-20Ni | |||
| 25Cr-20Ni+ | |||
| 29Cr-20Ni | |||
| 25Cr-20Ni | |||
| 25Cr-20Ni | |||
| 25Cr-20Ni | |||
| 25Cr-20Ni | |||
| 25Cr-20Ni | |||
| 29Cr-20Ni | |||
| 29Cr-20Ni | |||
| 29Cr-20Ni |
| SB-625 | UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip | SB-625.pdf |
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