USA SAE A 268/A 268M (2010), A 268 S40900 Specialsteel 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 S40900 | Ferrite | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
C | Mn | Si | P | S | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤1.00 | ≤0.045 | ≤0.045 | 10.50 -11.7 | ≤0.50 | ≤ ≥ |
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) |
---|---|---|---|---|---|---|
549 (≥) | 556 (≥) | 14 | 22 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.33 | - | |||
814 | 621 | - | 32.3 | 414 | - | ||
874 | - | 32 | 12.2 | 312 | 224 |
Heat treated : 1974°C - 1618°C
Grade | Standard | Country | Application |
---|---|---|---|
1.4409 | |||
1.4409 | |||
S30409 | |||
409 | |||
S40900 | |||
S40910 | |||
S40920 | |||
S40930 | |||
409Cb | |||
S40940 | |||
S40945 | |||
S40975 | |||
S40976 | |||
S40977 | |||
409Cb | |||
409Cb | |||
409Ni | |||
S30409 | |||
S40910 | |||
S40920 |
A 268/A 268M (2010) | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service | A-268-A-268M-(2010).pdf |
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