USA AMS SB-674, SB-674 N08925 Specialsteel Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SB-674 N08925 | Austenite | AMS | USA | Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube |
C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.02 | ≤1.00 | ≤0.50 | ≤0.045 | ≤0.03 | 24.00 -26.00 | 19.00 -21.00 | 6.00 -7.00 | 0.80 -1.50 | 0.10 -0.20 |
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) |
---|---|---|---|---|---|---|
345 (≥) | 631 (≥) | 33 | 24 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
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 |
---|---|---|---|---|---|---|---|
13 | - | - | 0.12 | - | |||
212 | 134 | - | 13.3 | 131 | - | ||
436 | - | 22 | 34.2 | 342 | 221 |
Heat treated : 1896°C - 1531°C
Grade | Standard | Country | Application |
---|---|---|---|
Cronifer 2803 Mo | |||
CrOnifer 1925 hMO(N08925) | |||
JS 1925 6Mo |
SB-674 | Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube | SB-674.pdf |
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