YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T,AT SIGHT |
| Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Base Tube Specification | ASTM A312/ASME SA312 |
| Base Tube Material | TP304H |
| Product Name | ASME SA312 TP304H SMLS HWF Serrated Fin Tube |
| Application | Power Plants，heat exchangers, air preheaters，Chemical Plants |
| Fin Type | Serrated Finned Tube / Serrated Spiral High Frequency Welding Finned Tube |
| Brand Name | YUHONG |
| Certification | ABS, BV, ISO, ASTM, SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,AT SIGHT | Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Base Tube Specification | ASTM A312/ASME SA312 | Base Tube Material | TP304H |
| Product Name | ASME SA312 TP304H SMLS HWF Serrated Fin Tube | Application | Power Plants，heat exchangers, air preheaters，Chemical Plants |
| Fin Type | Serrated Finned Tube / Serrated Spiral High Frequency Welding Finned Tube | Brand Name | YUHONG |
| Certification | ABS, BV, ISO, ASTM, SGS | Place of Origin | China |
| High Light | ASME SA312 TP304H serrated fin tube ，heat exchanger seamless fin tube ，studded tube with HWF serration | ||
ASME SA312 TP304H SMLS HWF Serrated Fin Tube
ASME SA312 TP304H is a high-carbon variant of the classic 304 austenitic stainless steel. The "H" designation indicates its specific formulation for high-temperature service, providing guaranteed elevated temperature strength while maintaining good general corrosion resistance.
The ASME SA312 TP304H Seamless HWF Serrated Fin Tube represents an advanced thermal engineering solution that combines multiple sophisticated technologies. This bimetallic construction features a seamless TP304H base tube with carbon steel serrated fins attached through high-frequency welding, creating an exceptionally efficient heat transfer surface for demanding high-temperature applications.
Chemical Composition
| Element | C | Si | Cr | Mn | P | Ni | S |
| Range | 0.04-0.10 | ≤ 0.75 | 18.00-20.00 | ≤ 2.00 | ≤ 0.045 | 8.00-11.00 | ≤ 0.030 |
Mechanical Properties (Base Tube - TP304H)
| Tensile Strength | Yield Strength | Elongation | Hardness |
| ≥ 515 MPa (75 ksi) | ≥ 205 MPa (30 ksi) | ≥ 35% | ≤ 201 HB |
Key Features & Advantages
1.Enhanced Heat Transfer Efficiency: The serrated fin design creates turbulence in the gas flow, breaking boundary layers and significantly improving heat transfer coefficients compared to solid fins.
2.Guaranteed High-Temperature Performance: TP304H base tube ensures maintained mechanical strength and microstructural stability at temperatures up to 800°F (427°C) and beyond.
3.Optimized Material Utilization: Carbon steel fins provide cost-effective heat transfer enhancement while the stainless steel base tube handles corrosive media and high-temperature requirements.
4.Superior Bond Integrity: High-frequency welding creates a metallurgical bond with minimal thermal affected zone, ensuring excellent heat conduction and mechanical reliability.
5.Reduced Fouling Tendency: The segmented fin pattern helps minimize fouling accumulation in dirty gas streams, maintaining long-term performance.
Comparison with Related Options
TP304H vs. TP304:
While both offer good corrosion resistance, TP304H is specifically required for ASME code high-temperature pressure applications due to its guaranteed minimum high-temperature strength, whereas standard TP304 is primarily for corrosion resistance.
Serrated vs. Solid Fins:
Solid fins provide maximum surface area but are more prone to fouling. Serrated fins, while having slightly less surface area, offer superior heat transfer coefficients and anti-fouling characteristics in particulate-laden environments.
Applications of ASME SA312 TP304H SMLS HWF Serrated Fin Tube
1.Power Generation Boilers: As economizer and superheater elements in utility and industrial boilers where high-temperature strength and resistance to steam oxidation are critical.
2.Waste Heat Recovery Units: In high-temperature sections of HRSGs and process waste heat boilers handling corrosive flue gases.
3.Petrochemical Heaters: For convection section tubes in fired heaters where process-side temperatures demand guaranteed high-temperature properties.
4.Industrial Process Heaters: In air heaters and process gas heaters where efficient heat recovery from high-temperature streams is essential.
5.Chemical Processing: High-temperature heat exchangers handling corrosive process media on the tube side with less aggressive gases on the shell side.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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