Yuhong Group Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 1000 tons/month |
| Delivery Time | 40-60 DAYS |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Fin Tubes Type | HFW Finned Tubes |
| HFW Finned Tubes Base Tubes Type | Stainless Steel Seamless Tubes |
| HFW Finned Tubes Standard and Material | ASTM A312 TP321H Stainless Steel Base Tubes and SS Fins |
| HFW Finned Tubes Size and Length | By Customers' Requirements |
| HFW Finned Tubes Application | Boiler economizers, air preheaters, superheaters, water walls;Direct/indirect air-cooled condensers for power plants;Waste heat recovery systems,etc. |
| HFW Finned Tubes Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG |
| Model Number | HFW FIN TUBE |
| Certification | ISO 9001-2015,ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000 tons/month |
| Delivery Time | 40-60 DAYS | Packaging Details | Ply-wooden Case With Iron Frame |
| Fin Tubes Type | HFW Finned Tubes | HFW Finned Tubes Base Tubes Type | Stainless Steel Seamless Tubes |
| HFW Finned Tubes Standard and Material | ASTM A312 TP321H Stainless Steel Base Tubes and SS Fins | HFW Finned Tubes Size and Length | By Customers' Requirements |
| HFW Finned Tubes Application | Boiler economizers, air preheaters, superheaters, water walls;Direct/indirect air-cooled condensers for power plants;Waste heat recovery systems,etc. | HFW Finned Tubes Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG | Model Number | HFW FIN TUBE |
| Certification | ISO 9001-2015,ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS | Place of Origin | CHINA |
| High Light | HFW solid welded fin tubes ，ASTM A312 TP321H finned tubes ，stainless steel superheater fin tubes | ||
HFW Solid Welded Finned Tubes ASTM A312 TP321H Stainless Steel For Superheaters
HFW (High‑Frequency Welded) solid welded finned tubes with base tube ASTM A312 TP321H stainless steel are high‑performance heat transfer components specifically widely used for superheater applications in power boilers, waste heat recovery systems, and high‑temperature industrial furnaces. The solid fin design achieves metallurgical bonding through high-frequency welding, and possesses excellent heat transfer efficiency and structural integrity under extreme temperature and pressure conditions.
Chemical Composition (%) max
| Grade | C | Mn | P | S | Si | Cr | Ni |
| TP321H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 |
Mechanical Properties
| Size | Tensile Strength min | Yield Strength min | Elongation in 2" or 50mm min |
| ≤3/16inch | 75ksi (515 MPa) | 30ksi (205 MPa) | 35% |
| ≥3/16inch | 70ksi (480 MPa) | 25ksi (170 MPa) | 35% |
TP321H is a titanium-stabilized, high-carbon austenitic stainless steel tube widely used in high-temperature sections such as superheaters and reheaters in boilers.TP321H provides excellent creep strength and high-temperature structural stability under long-term service at elevated temperatures up to around 650–700°C.The titanium stabilization effectively avoids chromium carbide precipitation during welding and high-temperature service, greatly improving corrosion resistance.And it performs well in high-temperature flue gas environments, resisting oxidation and corrosion, ensuring a long service life.
Key Advantages For Superheater Service
Outstanding high-temperature stability:TP321H adopts titanium stabilization treatment and a high carbon content, featuring excellent creep and thermal fatigue resistance, which is crucial for superheaters operating under cyclic high-temperature steam and flue gas conditions.
Outstanding heat transfer efficiency:the robust HFW stainless steel fins maximize the surface area, significantly enhancing the heat exchange rate.
Strong structural integrity:the metallurgical fins combined with the tubes ensure that no fins will fall off under vibration, thermal expansion, and pressure cycling conditions.
Corrosion and oxidation resistance:capable of resisting intergranular corrosion, high-temperature oxidation, and scaling in boiler flue gas, extending service life and reducing maintenance work.
Design flexibility:suitable for various superheater configurations and can be made into U-shaped bends, spiral tubes, or straight sections.
Applications of A312 TP321H HFW Finned Tubes
Power Industry:boiler economizers, superheaters, water walls;air-cooled condensers for power plants;waste heat recovery systems;etc.
Petrochemical Industry:air coolers, heat exchangers, condensers, reboilers;high-temperature and corrosive process gas cooling;oil refining and chemical synthesis units;etc.
HVAC & Construction:central heating systems, radiators, heat exchangers;air conditioning evaporators and condensers;
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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