ASTM A179 U Bend Carbon Steel High Frequency Welding Finned Tubes For Economizers
ASTM A179 U Bend Carbon Steel High Frequency Welding Finned Tubes For Economizers
Chemical Composition (%)
| Grade | C | Mn | P | S |
| A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
Mechanical Properties Low-carbon steel (similar to A192 but with tighter tolerances).
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| A179 | 47ksi (325 MPa) | 26ksi (180 MPa) |
U-bend carbon steel high-frequency welding (HFW) finned tubes are widely used in economizers due to their excellent heat transfer properties, durability, and compact design.Economizers are critical components in boilers and heat recovery systems.
U-bend HFW ensures a metallurgical bond between the fin and the base tube, enhancing heat transfer efficiency and mechanical strength.The welded joint minimizes gaps where corrosion can initiate and welded fins resist mechanical damage and vibration.As for U-bend radius, fin pitch, and tube length can be tailored to economizer design.
Application
Power Plant Boilers & Economizers
Waste Heat Recovery Systems
HRSGs (Heat Recovery Steam Generators): Enhances efficiency in combined-cycle power plants,recover waste heat from gas turbines.
HVAC & Refrigeration
Gas Cooling & Heating Systems
Heaters,etc.
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