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| Brand Name: | Yuhong |
| Model Number: | ASTM A312, TP347H |
| MOQ: | 100KGS |
| Payment Terms: | L/C, T/T |
| Attribute | Value |
|---|---|
| Material | TP347H |
| Fin Material | Stainless Steel |
| Fin Thickness | 1.54mm |
| Base Tube Test | HT, ET |
| Fin Tube Test | Size Inspection |
| Application | HRSG system |
High-Frequency Welding (HFW) finned pipes made from ASTM A312 TP347H stainless steel are specifically designed for Heat Recovery Steam Generators (HRSG). HRSG systems are critical components in combined-cycle power plants, capturing waste heat from exhaust gases to generate steam for energy efficiency. The use of TP347H stainless steel ensures excellent resistance to high temperatures, corrosion, and oxidation.
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.04% |
| Manganese (Mn) | 1.00 - 2.00% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% |
| Silicon (Si) | ≤ 0.75% |
| Chromium (Cr) | 17.00 - 19.00% |
| Nickel (Ni) | 9.00 - 13.00% |
| Molybdenum (Mo) | ≤ 0.30% |
| Niobium (Nb) | 1.00 - 1.50% |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Impact Energy | ≥ 70 J (at -196°C) |
| Hardness | ≤ 170 HB |
| Proof Stress | ≥ 205 MPa |
