USA SAE A 312/A 312M (2009) , A 312 TP309 Specialsteel Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 312 TP309 | Austenite | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes | 
| C | Si | Mn | P | S | Cr | Ni | 
|---|---|---|---|---|---|---|
| ≤0.20 | ≤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) | 
|---|---|---|---|---|---|---|
| 891 (≥) | 881 (≥) | 12 | 22 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.21 | - | |||
| 694 | 313 | - | 44.3 | 133 | - | ||
| 972 | - | 31 | 43.2 | 233 | 421 | 
Heat treated : 1122°C - 1868°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| 1.2309 | |||
| 1.4309 | |||
| 1.6309 | |||
| 1.6309 | |||
| 1.4309 | |||
| 309 | |||
| S30900 | |||
| 309S | |||
| S30908 | |||
| 309HD | |||
| S30909 | |||
| 309Cb | |||
| S30940 | |||
| 309HCb | |||
| S30941 | |||
| 309 | |||
| S30900 | |||
| S30908 | |||
| 309S | |||
| S30909 | 
| A 312/A 312M (2009) | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes | A-312-A-312M--(2009)-.pdf | 
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