USA SAE A 271 , A 271 TP304H 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 TP304H | Austenite | SAE | USA | Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service |
| C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|
| 0.04 -0.10 | ≤1.00 | ≤2.00 | ≤0.04 | ≤0.03 | 18.0 -20.0 | 8.00 -11.0 |
| 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) |
|---|---|---|---|---|---|---|
| 387 (≥) | 339 (≥) | 44 | 33 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
| 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 |
|---|---|---|---|---|---|---|---|
| 41 | - | - | 0.21 | - | |||
| 679 | 267 | - | 24.3 | 431 | - | ||
| 327 | - | 44 | 32.2 | 314 | 442 |
Heat treated : 1797°C - 1252°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 304H | |||
| 304HN | |||
| 304HN | |||
| 304H | |||
| TP304H | |||
| TP304H | |||
| TP304H | |||
| SUS304HFB | |||
| SUS304HTP | |||
| SUS304HTB | |||
| SUS304HTB | |||
| SUS304HTP | |||
| SUS304HFB | |||
| 304HN(S30452) | |||
| SUS304HFB | |||
| SUS304HFB | |||
| SUS304HTP | |||
| SUS304HTP |
| A 271 | Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service | A-271--.pdf |
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