USA SAE A 312/A 312M (2013), A 312 TP347LN 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 TP347LN | Precipitation-Hardening | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.005 -0.02 | ≤0.75 | ≤2.00 | ≤0.04 | ≤0.03 | 9.00 -13.00 | 17.00 -20.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | 0.06 -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) |
|---|---|---|---|---|---|---|
| 778 (≥) | 423 (≥) | 34 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
| 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 | - | - | 0.32 | - | |||
| 588 | 428 | - | 12.3 | 414 | - | ||
| 454 | - | 12 | 34.2 | 132 | 244 |
Heat treated : 1511°C - 1373°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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