USA SAE A 1049/A 1049M (2010), A 1049 S32550 Specialsteel Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 1049 S32550 | Duplex steel | SAE | USA | Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components |
C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.04 | ≤1.50 | ≤1.00 | ≤0.04 | ≤0.03 | 24.00 -27.00 | 4.50 -6.50 | 2.90 -3.90 | 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) |
---|---|---|---|---|---|---|
828 (≥) | 916 (≥) | 14 | 32 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 |
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 |
---|---|---|---|---|---|---|---|
33 | - | - | 0.11 | - | |||
638 | 639 | - | 34.3 | 144 | - | ||
915 | - | 12 | 31.2 | 244 | 412 |
Heat treated : 1122°C - 1718°C
Grade | Standard | Country | Application |
---|---|---|---|
1.2550 | |||
1.2552 | |||
1.3255 | |||
StE 255 | |||
S255N | |||
WStE 255 | |||
S255NH | |||
TStE 255 | |||
S255NL | |||
EStE 255 | |||
S255NL1 | |||
E255 | |||
255 | |||
S32550 | |||
Ferralium alloy 255 | |||
Ferralium alloy 255/SD40 | |||
Ferralium alloy 255/SD50 | |||
Ferralium alloy 255-3 SC | |||
Ferralium alloy 255-3 SF | |||
SM 2550 |
A 1049/A 1049M (2010) | Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components | A-1049-A-1049M-(2010).pdf |
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