YUHONG HOLDING GROUP CO., LTD
| Supply Ability | 5000 meters/day |
| Delivery Time | 50-120 days |
| Product | Serrated Finned Tubes |
| Material | ASTM A312 TP304H |
| Payment Terms | L/C,T/T |
| Application | Refinery Furnaces, Thermal Power Plants, Heat Recovery Steam Generators (HRSG), Industrial Drying Systems |
| Package | Iron frame wooden case |
| Packaging Details | Plywood case |
| Model Number | N/A |
| Place of Origin | China |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Brand Name | YUHONG |
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Product Specification
| Supply Ability | 5000 meters/day | Delivery Time | 50-120 days |
| Product | Serrated Finned Tubes | Material | ASTM A312 TP304H |
| Payment Terms | L/C,T/T | Application | Refinery Furnaces, Thermal Power Plants, Heat Recovery Steam Generators (HRSG), Industrial Drying Systems |
| Package | Iron frame wooden case | Packaging Details | Plywood case |
| Model Number | N/A | Place of Origin | China |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 | Brand Name | YUHONG |
| High Light | ASTM A312 TP304H serrated finned tubes ，TP304H stainless steel finned tubes ，serrated finned tubes for heat exchangers | ||
ASTM A312 TP304H Serrated Finned Tubes are engineered heat transfer components designed for demanding thermal applications involving elevated temperatures and continuous service conditions. Manufactured from TP304H austenitic stainless steel tubes, these finned tubes combine excellent oxidation resistance, high-temperature strength, and superior heat transfer efficiency.
The serrated fin design increases turbulence within the airflow, continuously disrupting the boundary layer and significantly improving convective heat transfer performance compared with solid fin configurations. This makes TP304H serrated finned tubes particularly suitable for boilers, economizers, waste heat recovery units, air-cooled heat exchangers, flue gas systems, and petrochemical process equipment.
Our serrated finned tubes are manufactured under strict quality control procedures and can be customized according to client specifications, international standards, and project requirements.
The serrated fin structure creates additional turbulence around the fin surface, improving heat transfer coefficients and maximizing thermal performance.
TP304H contains a higher carbon content than standard 304 stainless steel, providing improved creep strength and elevated-temperature mechanical properties.
Suitable for continuous operation in oxidizing environments commonly found in power generation and petrochemical facilities.
High-quality welding processes and corrosion-resistant materials ensure long-term reliability and reduced maintenance costs.
Suitable for gas-to-air, gas-to-liquid, and liquid-to-gas heat exchange systems operating under high-temperature conditions.
The serrated fin strip is continuously helically wound onto the TP304H base tube and permanently bonded through high-frequency resistance welding. This process creates a strong metallurgical bond between fin and tube, ensuring efficient thermal conductivity and mechanical integrity.
Manufacturing stages include:
| Parameter | Range |
|---|---|
| Outside Diameter (OD) | 19.05 mm – 76.20 mm (3/4" – 3") |
| Wall Thickness | 1.65 mm – 6.35 mm |
| Tube Length | Up to 18 meters |
| Tube Type | Seamless / Welded |
| Parameter | Range |
| Fin Height | 8 mm – 25 mm |
| Fin Thickness | 0.3 mm – 1.2 mm |
| Fin Pitch | 3 FPI – 12 FPI |
| Fin Material | TP304H, SS304, SS316, Carbon Steel, Alloy Steel |
| Fin Attachment | High-Frequency Resistance Welded |
Custom dimensions can be supplied according to project specifications and international standards.
| Element | Composition (%) |
| Carbon (C) | 0.04 – 0.10 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 18.00 – 20.00 |
| Nickel (Ni) | 8.00 – 11.00 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
| Property | Value |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength (0.2% Offset) | ≥ 205 MPa |
| Elongation | ≥ 35% |
| Hardness | ≤ 92 HRB |
| Density | 8.0 g/cm³ |
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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