USA AMS SA-803/SA-803M, SA-803 29-4C Specialsteel Specification for Welded Ferritic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | SA-803 29-4C | Precipitation-Hardening | AMS | USA | Specification for Welded Ferritic Stainless Steel Feedwater Heater Tubes |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.01 | ≤0.20 | ≤0.30 | ≤ ≥ | ≤ ≥ | ≤0.15 | 28.00 -30.00 | ≤ ≥ | ≤0.15 | ≤ ≥ | ≤ ≥ | ≤0.02 | 3.50 -4.20 |
| 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) |
|---|---|---|---|---|---|---|
| 665 (≥) | 813 (≥) | 11 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.14 | - | |||
| 278 | 218 | - | 34.3 | 141 | - | ||
| 192 | - | 44 | 31.2 | 241 | 423 |
Heat treated : 1792°C - 1596°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 29-4 | |||
| 29-4C | |||
| 29-4-2 | |||
| 29-4 | |||
| 29-4-2 | |||
| 29-4C | |||
| 29-4 | |||
| 29-4-2 | |||
| 29-4 | |||
| 29-4-2 | |||
| 29-4C(S44735) | |||
| 29-4-2(S44800) | |||
| X2CrMoTi29-4 | |||
| X2CrMoTi29-4 |
| SA-803/SA-803M | Specification for Welded Ferritic Stainless Steel Feedwater Heater Tubes | SA-803-SA-803M.pdf |
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