USA AMS SA-268/SA-268M, SA-268 S40500 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 | SA-268 S40500 | 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 | Al |
---|---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | 11.00 -14.50 | ≤ ≥ | ≤ ≥ | 0.10 -0.30 |
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) |
---|---|---|---|---|---|---|
375 (≥) | 174 (≥) | 14 | 31 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.43 | - | |||
491 | 481 | - | 32.3 | 344 | - | ||
464 | - | 14 | 21.2 | 241 | 431 |
Heat treated : 1926°C - 1798°C
Grade | Standard | Country | Application |
---|---|---|---|
1.4057 | |||
1.4057 | |||
1.4405 | |||
1.4059 | |||
1.4405 | |||
1.4405 | |||
405 | |||
S40500 | |||
MONEL alloy R-405 | |||
S40500 | |||
405 | |||
TP405 | |||
S40500 | |||
MT405 | |||
405 | |||
S40500 | |||
AISI 4053 | |||
UNS T30405 | |||
UNS T90405 | |||
UNS J95405 |
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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