USA UNS S32550 Specialsteel Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | S32550 | Duplex steel | UNS | USA | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel |
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.04 | ≤1.00 | ≤1.50 | ≤0.040 | ≤0.030 | 24.0 -27.0 | 4.5 -6.5 | 2.9 -3.9 | 1.50 -2.50 | 0.10 -0.25 |
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) |
---|---|---|---|---|---|---|
768 (≥) | 439 (≥) | 42 | 11 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.32 | - | |||
216 | 472 | - | 11.3 | 221 | - | ||
315 | - | 13 | 11.2 | 111 | 343 |
Heat treated : 1476°C - 1782°C
Grade | Standard | Country | Application |
---|---|---|---|
S32550 | |||
S32550 | |||
Ferralium255(S32550) | |||
Ferralium255(S32550) | |||
S32550 |
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