USA AMS SA-789/SA-789M, SA-789 S32550 Specialsteel Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SA-789 S32550 | Duplex steel | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|
≤0.04 | ≤1.50 | ≤1.00 | ≤0.04 | ≤0.03 | 24.00 -27.00 | 4.50 -6.50 | 2.00 -4.00 | 0.10 -0.25 | 1.50 -2.50 |
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) |
---|---|---|---|---|---|---|
853 (≥) | 836 (≥) | 23 | 43 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
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 | - | - | 0.23 | - | |||
434 | 996 | - | 44.3 | 231 | - | ||
654 | - | 13 | 21.2 | 323 | 222 |
Heat treated : 1396°C - 1975°C
Grade | Standard | Country | Application |
---|---|---|---|
Ferralium255(S32550) | |||
Ferralium255(S32550) | |||
S32550 | |||
S32550 | |||
S32550 |
SA-789/SA-789M | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service | SA-789-SA-789M.pdf |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com