YUHONG HOLDING GROUP CO., LTD
| Delivery Time | 50-120 days |
| Payment Terms | T/T,L/C |
| Material | ASTM A335 P22 |
| Package | Iron frame wooden case |
| Supply Ability | 5000 meters/day |
| Product | Serrated Finned Tubes |
| Application | HRSG (Heat Recovery Steam Generator), Power Generation, Industrial Waste Heat Recovery |
| Packaging Details | Iron frame wooden case |
| Model Number | N/A |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China |
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Product Specification
| Delivery Time | 50-120 days | Payment Terms | T/T,L/C |
| Material | ASTM A335 P22 | Package | Iron frame wooden case |
| Supply Ability | 5000 meters/day | Product | Serrated Finned Tubes |
| Application | HRSG (Heat Recovery Steam Generator), Power Generation, Industrial Waste Heat Recovery | Packaging Details | Iron frame wooden case |
| Model Number | N/A | Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 | Place of Origin | China |
| High Light | ASTM A335 P22 serrated finned tubes ，serrated finned tubes for HRSG ，HRSG serrated finned tubes ASTM | ||
Serrated finned tubes for Heat Recovery Steam Generators (HRSG) are high-efficiency heat transfer components designed for demanding high-temperature energy recovery systems. Manufactured with ASTM A335 P22 alloy steel seamless tubes as the base tube, these finned tubes provide enhanced heat transfer capability while maintaining excellent mechanical strength under elevated temperature and pressure conditions.
ASTM A335 P22 (also known as 2.25Cr-1Mo alloy steel) is widely used in power generation and industrial heat recovery equipment due to its good creep resistance, oxidation resistance, and thermal stability. Combined with a serrated fin structure, the tube surface area is increased while turbulence around the gas-side flow is improved, making it suitable for HRSG economizer, evaporator, and superheater sections.
The serrated fin design consists of interrupted fin segments instead of a continuous fin strip. The segmented structure helps:
This structure is commonly selected for HRSG applications where exhaust gas energy recovery efficiency is important.
The ASTM A335 P22 base tube provides:
The material is commonly applied in components exposed to high-temperature flue gas and steam conditions.
Depending on project requirements, serrated finned tubes can be manufactured using:
The connection between fins and tube is designed to ensure efficient heat conduction and long-term operating stability.
ASTM A335 P22 serrated finned tubes are mainly used in:
Applications include:
Used in:
Suitable for:
Typical dimensions can be customized according to customer drawings and heat exchanger design requirements.
Material: ASTM A335 P22
Common outside diameter:
Common wall thickness:
Common tube lengths:
Common fin height:
Common fin thickness:
Common fin density:
Fin material options:
Typical chemical composition requirements:
| Element | Content |
|---|---|
| Carbon (C) | 0.05–0.15% |
| Silicon (Si) | ≤0.50% |
| Manganese (Mn) | 0.30–0.60% |
| Chromium (Cr) | 1.90–2.60% |
| Molybdenum (Mo) | 0.87–1.13% |
| Phosphorus (P) | ≤0.025% |
| Sulfur (S) | ≤0.025% |
The chromium and molybdenum alloying elements improve high-temperature strength and corrosion resistance.
ASTM A335 P22 requirements:
| Property | Requirement |
|---|---|
| Tensile Strength | ≥415 MPa |
| Yield Strength | ≥205 MPa |
| Elongation | ≥30% |
Actual values depend on tube size, heat treatment, and manufacturing conditions.
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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