YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 500 tons/month |
| Delivery Time | 30-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Type | Studded Tubes |
| Standard | ASTM A213 |
| Material | T9 Base Tubes and CS Fins |
| Length | 10300MM For This Order |
| Other Details | Base Tube: 141.3×Min 5.7 MM; Fin O.D. 12.7MM, Fin Height 25.4MM; 18 Studs/Circle |
| Packing | Ply-wooden Case With Iron Frame |
| Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Brand Name | YUHONG |
| Model Number | ASTM A213 T9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 500 tons/month |
| Delivery Time | 30-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Type | Studded Tubes |
| Standard | ASTM A213 | Material | T9 Base Tubes and CS Fins |
| Length | 10300MM For This Order | Other Details | Base Tube: 141.3×Min 5.7 MM; Fin O.D. 12.7MM, Fin Height 25.4MM; 18 Studs/Circle |
| Packing | Ply-wooden Case With Iron Frame | Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Brand Name | YUHONG | Model Number | ASTM A213 T9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | CHINA |
| High Light | ASTM A213 Studded Fin Tubes ，Seamless Base Tubes Studded Fin Tubes ，Heat Exchanger Studded Fin Tubes | ||
Studded Tubes ASTM A213 T9 Alloy Seamless Base Tubes For Heat Exchanger
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | V |
| T9 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.025-1.00 | 8.00-10.00 | 0.90-1.10 | ... | ... |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| T9 | 60ksi (415 MPa) | 30ksi (205 MPa) |
Advantages
ASTM A213 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, T9, TP304, etc.T9 alloy tubes play a significant role in high-temperature and high-pressure environments. T9 alloy offers excellent mechanical properties and resistance to oxidation and corrosion, making it suitable for demanding applications.
T9 alloy tubes are designed to withstand elevated temperatures, such as those found in power plants, refineries, and chemical processing industries.The alloy retains its strength and structural integrity even at temperatures up to 650°C (1200°F), which is critical for efficient heat transfer.
The chromium content in T9 alloy provides excellent oxidation resistance, preventing the formation of scale and degradation at high temperatures.It also offers good resistance to sulfur-containing environments and other corrosive media, which is essential for heat exchangers exposed to aggressive fluids or gases.
T9 alloy has high tensile strength and creep resistance, ensuring the tubes can endure the mechanical stresses and pressures encountered in heat exchanger operations.This strength allows for thinner tube walls, which can improve heat transfer efficiency while maintaining durability.
Definition
A studded tube is a type of heat exchanger tube that has small studs or pins welded onto its outer surface. These studs increase the surface area of the tube, enhancing heat transfer efficiency in applications where heat exchange occurs between the tube and the surrounding medium (such as gases or fluids).
Studded tube can improve thermal efficiency,the increased surface area and turbulence lead to better heat transfer rates.They are often made from high-strength materials, such as carbon steel, stainless steel, or alloys like T9, to withstand high temperatures, pressure, and corrosive environments.The studs are welded securely to the tube to ensure they remain intact under operational stresses.
Common Material: Carbon Steel: for general-purpose applications.
Stainless Steel: for corrosive environments.
Alloy Steel (T9,T11,T12,etc.): for high-temperature and high-pressure applications
Application
Petrochemical and Refining Industries---Used in heat exchangers for processing high-temperature fluids and gases.
Industrial Heating Systems---Used in thermal oil heaters, steam generators, and other industrial heating systems.
Power Plants---Used in economizers, air preheaters, and superheaters to enhance heat exchange in power generation processes.
Marine and Offshore Applications---Used in heat exchangers for engines and other equipment exposed to harsh marine environments.
Waste Heat Recovery Systems---Used in boilers, furnaces, and exhaust systems to recover heat from hot gases and improve energy efficiency.
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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