USA AMS SA-268/SA-268M, SA-268 S41500 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 S41500 | Martensite | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
C | Mn | Si | P | S | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|
≤0.05 | 0.50 -1.00 | ≤0.60 | ≤0.03 | ≤0.03 | 11.50 -14.00 | 3.50 -5.50 | 0.50 -1.00 |
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) |
---|---|---|---|---|---|---|
913 (≥) | 645 (≥) | 24 | 22 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 |
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 |
---|---|---|---|---|---|---|---|
32 | - | - | 0.11 | - | |||
926 | 694 | - | 41.3 | 432 | - | ||
353 | - | 43 | 32.2 | 312 | 124 |
Heat treated : 1684°C - 1428°C
Grade | Standard | Country | Application |
---|---|---|---|
CA6NM | |||
ASTM CA6NM | |||
ASTM CA6NM | |||
ASTM CA6NM | |||
S41500 | |||
S41500 | |||
S41500 | |||
S41500 |
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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