USA SAE A 554 (2011) , A 554 MT 309S Specialsteel Welded Stainless Steel Mechanical Tubing and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 554 MT 309S | Austenite | SAE | USA | Welded Stainless Steel Mechanical Tubing | 
| C | Si | Mn | P | S | Cr | Ni | 
|---|---|---|---|---|---|---|
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 22.0 -24.0 | 12.0 -15.0 | 
| 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) | 
|---|---|---|---|---|---|---|
| 881 (≥) | 286 (≥) | 44 | 23 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 | 
| 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 | - | - | 0.23 | - | |||
| 239 | 457 | - | 21.3 | 224 | - | ||
| 612 | - | 12 | 12.2 | 312 | 214 | 
Heat treated : 1139°C - 1613°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| 309S | |||
| 309S | |||
| TP309S | |||
| TP309S | |||
| TP309S | |||
| TP309S | |||
| MT309S | |||
| MT-309S | |||
| MT-309S-Cb | |||
| 309S | |||
| AWS ER309Si | |||
| SUS309S | |||
| SUS309STP | |||
| SUS309STB | |||
| SUS309STB | |||
| SUS309STP | |||
| SUS309S | |||
| 309S24 | |||
| 309S24 | |||
| 309S20 | 
| A 554 (2011) | Welded Stainless Steel Mechanical Tubing | A-554--(2011)-.pdf | 
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