USA SAE A 271, A 271 TP347LN Specialsteel Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 271 TP347LN | Precipitation-Hardening | SAE | USA | Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service |
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) |
---|---|---|---|---|---|---|
751 (≥) | 411 (≥) | 24 | 24 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.22 | - | |||
294 | 886 | - | 23.3 | 143 | - | ||
181 | - | 13 | 42.2 | 321 | 342 |
Heat treated : 1468°C - 1771°C
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