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Brand Name : YUHONG
Model Number : H Fin Tube
Certification : ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001
Place of Origin : China , Korea
MOQ : 1 PC
Price : 1 - 10000 USD
Payment Terms : L/C,T/T
Supply Ability : 10000 Tons/Month
Delivery Time : 5 - 90 Days
Packaging Details : Ply-Wooden Case + Iron Frame
Material Grade : SA179
Standard : ASME SA179 , ASTM A179
Material : Carbon steel, Alloy steel and Stainless steel
Type of base pipe : Seamless steel pipe
Type of fins : Single H / Double H Type
Application : Widely used for boiler, heat exchanger, condenser, refrigerator, economizer and other parts of heat industry.
| Material Grade | SA179 |
| Standard | ASME SA179, ASTM A179 |
| Material | Carbon steel, Alloy steel and Stainless steel |
| Type of base pipe | Seamless steel pipe |
| Type of fins | Single H / Double H Type |
| Application | Widely used for boiler, heat exchanger, condenser, refrigerator, economizer and other parts of heat industry |
The Seamless Steel Square ASME SA179 U+H Type Fin Tube is a specialized component designed for economizers in boiler pressure systems. Engineered to maximize heat transfer efficiency, these tubes significantly improve industrial boiler performance.
The innovative U+H fin design dramatically increases surface area for optimal heat exchange, while the carbon steel construction ensures reliable performance under high-temperature conditions. The square tube configuration provides enhanced structural support and space efficiency.
This high-performance component combines seamless construction, robust material properties, and advanced fin design to deliver superior thermal efficiency and durability in demanding industrial applications.
| Grade | C | Mn | P | S |
|---|---|---|---|---|
| SA179 | 0.06-0.18% | 0.27-0.63% | 0.035% max | 0.035% max |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| SA179 | ≥ 180 MPa (26 ksi) | ≥ 325 MPa (47 ksi) | Variable based on diameter | Typically ≤ 72 HRB |
These fin tubes are specifically engineered for critical components in industrial boiler systems:

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ASME SA179 Low-Carbon Steel U+H Type Fin Tube For Economizers Images |