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| Categories | Solid Fin Tube |
|---|---|
| Model Number: | N/A |
| Application: | Boiler economizers, Waste heat recovery boilers (WHRB), Heat recovery steam generators (HRSG), Industrial waste heat recovery systems |
| MOQ: | 500kgs |
| Delivery Time: | 50-120 days |
| Brand Name: | YUHONG |
| Packaging Details: | Iron frame wooden case |
| Payment Terms: | T/T,L/C |
| Material: | ASTM A376 TP347H + CS |
| Price: | To be discussed |
| Supply Ability: | 5000 meters/day |
| Product: | Solid Fin Tube |
| Certification: | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Package: | Iron frame wooden case |
| Place of Origin: | China |
| Company Info. |
| YUHONG HOLDING GROUP CO., LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM A376 TP347H Solid Fin Tubes for Economizers are engineered for high-temperature heat recovery systems where long-term thermal stability, reliable pressure performance, and efficient heat transfer are essential. The combination of a TP347H stainless steel base tube and carbon steel (CS) solid fins provides an economical solution for economizer service in boilers, waste heat recovery units, and industrial heat exchangers.
The TP347H base tube offers excellent high-temperature strength and oxidation resistance, while the carbon steel fins significantly increase the external heat transfer area, improving thermal efficiency without unnecessarily increasing material costs. This material combination is particularly suitable for clean or mildly corrosive flue gas environments where high mechanical reliability and cost-effective operation are priorities.
ASTM A376 TP347H Solid Fin Tubes are widely used in:
| Component | Material |
|---|---|
| Base Tube | ASTM A376 TP347H Stainless Steel |
| Fin Material | Carbon Steel (CS) |
| Fin Type | Solid Helical Fin |
| Manufacturing Method | Welded or Integrally Attached Solid Fin (project dependent) |
| Item | Standard Range |
|---|---|
| Tube Outside Diameter | 19.05 mm – 63.5 mm (3/4" – 2-1/2") |
| Tube Wall Thickness | 2.0 mm – 8.0 mm |
| Tube Length | Up to 18,000 mm |
| Fin Height | 8 mm – 25 mm |
| Fin Thickness | 1.0 mm – 3.0 mm |
| Fin Pitch | 3 mm – 12 mm |
| Bare Tube End | As required |
| Custom Sizes | Available upon request |
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.04–0.10 |
| Manganese (Mn) | ≤2.00 |
| Silicon (Si) | ≤0.75 |
| Phosphorus (P) | ≤0.045 |
| Sulfur (S) | ≤0.030 |
| Chromium (Cr) | 17.0–19.0 |
| Nickel (Ni) | 9.0–13.0 |
| Columbium + Tantalum (Nb + Ta) | ≥10 × C to ≤1.10 |
Chemical composition conforms to ASTM A376 requirements for TP347H.
| Property | Value |
|---|---|
| Tensile Strength | ≥515 MPa |
| Yield Strength (0.2% Offset) | ≥205 MPa |
| Elongation | ≥35% |
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