USA SAE A 268/A 268M (2010), A 268 S43000 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 S43000 | Ferrite | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| C | Mn | Si | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| ≤0.12 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | 16.00 -18.00 | ≤ ≥ | ≤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) |
|---|---|---|---|---|---|---|
| 414 (≥) | 437 (≥) | 11 | 21 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.34 | - | |||
| 569 | 148 | - | 44.3 | 313 | - | ||
| 933 | - | 43 | 13.2 | 211 | 341 |
Heat treated : 1212°C - 1192°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 1.4301 | |||
| 1.4303 | |||
| 1.4305 | |||
| 1.4306 | |||
| 1.4307 | |||
| 1.4301 | |||
| 1.4301 | |||
| 1.4301 | |||
| 1.4305 | |||
| 1.4303 | |||
| 1.4301 | |||
| 1.5430 | |||
| 1.4308 | |||
| 1.4309 | |||
| 1.4308 | |||
| 1.5430 | |||
| 1.5430 | |||
| 1.4309 | |||
| 1.4302 | |||
| 1.4430 |
| 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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