USA SAE A 803/A 803M (2012), A 803 Grade 29-4C Specialsteel 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 | A 803 Grade 29-4C | Precipitation-Hardening | SAE | USA | Welded Ferritic Stainless Steel Feedwater Heater Tubes |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤1.00 | ≤1.00 | ≤0.04 | ≤ ≥ | ≤1.00 | 28.00 -30.00 | ≤ ≥ | ≤0.15 | ≤ ≥ | ≤ ≥ | ≤0.045 | 3.60 -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) |
|---|---|---|---|---|---|---|
| 356 (≥) | 998 (≥) | 42 | 14 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 |
| 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 | - | - | 0.33 | - | |||
| 665 | 347 | - | 14.3 | 221 | - | ||
| 118 | - | 24 | 31.2 | 224 | 433 |
Heat treated : 1445°C - 1414°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 29-4C | |||
| 29-4C | |||
| 29-4C(S44735) |
| A 803/A 803M (2012) | Welded Ferritic Stainless Steel Feedwater Heater Tubes | A-803-A-803M-(2012).pdf |
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