Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | IRON FRAME CASE |
| Tube Material | P9, P11, P12, P22, P91 |
| Bare Length | Customized |
| Fin Pitch | 3-25 |
| Fin Height | 5-30mm |
| Fin Thickness | 0.8-3mm |
| Production Name | Serrated Fin Tube |
| Brand Name | YUHONG |
| Model Number | ASTM A335 P9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | IRON FRAME CASE |
| Tube Material | P9, P11, P12, P22, P91 | Bare Length | Customized |
| Fin Pitch | 3-25 | Fin Height | 5-30mm |
| Fin Thickness | 0.8-3mm | Production Name | Serrated Fin Tube |
| Brand Name | YUHONG | Model Number | ASTM A335 P9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | ASTM A335 P9 serrated fin tube ，CS fin tube for HSRG system ，superheater serrated fin tube | ||
ASTM A335 P9 Base Tube
| Grade | UNS Designation | C | Mn | P | S | Si | Cr | Mo | Other |
| P9 | K90941 | 0.15max | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.0 | 8.0–10.0 | 0.9-1.1 | ... |
ASTM A335 P9 Serrated Fin Tube Design and Function
Serrated fin tubes are engineered to maximize heat transfer efficiency in demanding environments. The serrations (gaps or grooves along the fins) create turbulence in the fluid flow, which disrupts the boundary layer and significantly enhances heat exchange. Key features include:
ASTM A335 P9 Serrated Fin Tube Advantage
High-Temperature Strength: Maintains structural integrity and creep resistance up to 650°C.
Oxidation and Corrosion Resistance: Chromium content forms a protective Cr₂O₃ layer, preventing scale formation and degradation in corrosive atmospheres.
Enhanced Heat Transfer Efficiency: Serrated fins improve thermal performance by 20–30% compared to bare tubes, reducing equipment size and energy costs.
ASTM A335 P9 Serrated Fin Tube Applications
Serrated fin tubes made from ASTM A335 P9 are widely used in industries requiring efficient heat transfer under extreme conditions:
Power Generation:
Petrochemical and Refining:
Other Industrial Applications:
ASTM A335 P9 Serrated Fin Tube Conclusion
ASTM A335 P9 serrated fin tubes represent a highly efficient solution for heat transfer in extreme environments, combining the superior material properties of chromium-molybdenum alloy with advanced fin technology. Their use in critical industries like power generation and petrochemicals underscores their reliability and performance. When sourcing these components, prioritize suppliers who adhere to stringent quality standards and offer comprehensive technical support.
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 HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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