USA AMS SA-268/SA-268M, A 268 S43036 Specialsteel Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 268 S43036 | Ferrite | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
C | Mn | Si | P | S | Cr | Ni | Mo | Ti |
---|---|---|---|---|---|---|---|---|
≤0.10 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | 16.00 -19.50 | ≤0.75 | ≤ ≥ | 5×C% -0.75 |
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) |
---|---|---|---|---|---|---|
536 (≥) | 883 (≥) | 43 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 |
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 |
---|---|---|---|---|---|---|---|
34 | - | - | 0.32 | - | |||
346 | 284 | - | 14.3 | 442 | - | ||
252 | - | 42 | 41.2 | 124 | 131 |
Heat treated : 1436°C - 1228°C
SA-268/SA-268M | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service | SA-268-SA-268M.pdf |
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