USA SAE A 312/A 312M (2013), A 312 S31725 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 S31725 | Austenite | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes | 
| C | Mn | Si | P | S | Cr | Ni | Mo | N | 
|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.03 | 18.00 -20.00 | 13.50 -17.50 | 4.00 -5.00 | ≤0.10 | 
| 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) | 
|---|---|---|---|---|---|---|
| 249 (≥) | 584 (≥) | 42 | 34 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 12 | - | - | 0.32 | - | |||
| 778 | 736 | - | 32.3 | 112 | - | ||
| 432 | - | 42 | 22.2 | 121 | 412 | 
Heat treated : 1354°C - 1524°C
| A 312/A 312M (2013) | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes | A-312-A-312M-(2013).pdf | 
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