YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T,L/C |
| Supply Ability | 4150 Ton Per Month |
| Delivery Time | 20-80 days |
| Packaging Details | Plywooden case with Iron Frame |
| Product name | Finned Tube |
| Type | Studded Finned Tube with High Frequency Welded Finned Tube |
| Application | Heater Parts, Refrigeration Parts, Fluid Cooling |
| Dimensions | 101.6mm, 114.3mm, 141.3mm, etc. |
| Length | 1-20000mm |
| Fin height | 4-17mm |
| Tube material | Carbon Steel, Stainless Steel, Alloy Steel, Copper Etc |
| Fin material | Carbon Steel, Stainless Steel, And Alloy Steel Etc |
| Warranty | 6 Months |
| Welding area | According to actual demand |
| Brand Name | YUHONG |
| Model Number | ASTM A335 P9, HFW |
| 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 | 4150 Ton Per Month |
| Delivery Time | 20-80 days | Packaging Details | Plywooden case with Iron Frame |
| Product name | Finned Tube | Type | Studded Finned Tube with High Frequency Welded Finned Tube |
| Application | Heater Parts, Refrigeration Parts, Fluid Cooling | Dimensions | 101.6mm, 114.3mm, 141.3mm, etc. |
| Length | 1-20000mm | Fin height | 4-17mm |
| Tube material | Carbon Steel, Stainless Steel, Alloy Steel, Copper Etc | Fin material | Carbon Steel, Stainless Steel, And Alloy Steel Etc |
| Warranty | 6 Months | Welding area | According to actual demand |
| Brand Name | YUHONG | Model Number | ASTM A335 P9, HFW |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | High-Temperature Furnace Studded Finned Tubes ，ASTM A335 P9 Studded Tube | ||
Product Description
ASTM A335 P9 Chromium-Molybdenum Alloy Studded Finned Tubes are high-performance tubes designed for demanding high-temperature applications in furnaces, boilers, and heat exchangers. Manufactured to meet ASTM A335 P9 standards, these tubes feature studded fins created through advanced high-frequency welding (HFW) technology, ensuring superior heat transfer efficiency and durability.
Material & Composition
ASTM A335 P9 tubes are made from chromium-molybdenum alloy steel, which provides excellent resistance to oxidation, corrosion, and high-temperature creep. The precise chemical composition ensures optimal performance in extreme conditions.
| Element | Composition(%) |
| Carbon(C) | 0.15 max |
| Manganese (Mn) | 0.30 - 0.60 |
| Silicon (Si) | 0.50 max |
| Chromium (Cr) | 8.00 - 10.00 |
| Molybdenum (Mo) | 0.90 - 1.10 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
Mechanical Properties
These studded finned tubes exhibit exceptional mechanical properties, making them ideal for high-temperature and high-pressure environments.
| Property | Value |
| Tensile Strength | 415 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 30% min |
| Hardness | 179 HB max |
Manufacturing Process
Our ASTM A335 P9 studded finned tubes are produced using high-frequency welding (HFW) technology, ensuring precise fin attachment and excellent thermal conductivity. The seamless base tube is manufactured through hot extrusion and cold drawing, guaranteeing uniform structure and dimensional accuracy.
Applications
Product Advantages
FAQ
Q: What standards do these tubes comply with?
A: They meet ASTM A335 P9 standards and are suitable for high-temperature applications.
Q: Can these tubes be customized?
A: Yes, we offer customization in size, length, fin type, and stud arrangement to meet specific requirements.
Q: What is the lead time for orders?
A: Lead times vary based on order volume and customization, but we strive to deliver within 3-5 weeks.
Q: Are these tubes suitable for corrosive environments?
A: Yes, the chromium-molybdenum alloy provides excellent resistance to corrosion and oxidation.
About Yuhong Holding Group Co., Ltd
Yuhong Holding Group Co., Ltd is a leading manufacturer of finned tubes and seamless heat exchanger tubes, with over 20 years of export experience. We have supplied high-quality products to 80 countries and rank among the top 5 finned tube exporters in China.
Our state-of-the-art facility spans 20,000 square meters and is equipped with 55 production lines and a skilled workforce of 110+ employees. We specialize in producing seamless heat exchanger tubes, boiler tubes, and finned tubes, utilizing advanced technology to ensure the highest product quality and service standards.
Visit our website http://www.steelfintube.com to explore our full range of products and solutions tailored to your industrial needs.
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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