YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirements) |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps) |
| Base Pipe Specification | ASTM A213 |
| Base Pipe Material | T9 |
| Fin Type | Spiral High Frequency Welding Finned Tube/Solid Finned Tube |
| Fin Material | 11-13 Cr |
| Base Tube/Pipe OD | 16-219 mm |
| Fin Pitch | 3-25 mm |
| Fin Height | 5-30 mm |
| Fin Thickness | 0.8-3 mm |
| Pipe Length | Customsized |
| Application | Power Plant -Air preheaters, Boiler; Refrigeration and Air Conditioning systems: Heat exchangers |
| Brand Name | YuHong |
| Model Number | ASTM A213 T9 HFW Solid Finned Tube with 11-13 Cr Fins |
| 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 AT SIGHT | Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirements) | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps) |
| Base Pipe Specification | ASTM A213 | Base Pipe Material | T9 |
| Fin Type | Spiral High Frequency Welding Finned Tube/Solid Finned Tube | Fin Material | 11-13 Cr |
| Base Tube/Pipe OD | 16-219 mm | Fin Pitch | 3-25 mm |
| Fin Height | 5-30 mm | Fin Thickness | 0.8-3 mm |
| Pipe Length | Customsized | Application | Power Plant -Air preheaters, Boiler; Refrigeration and Air Conditioning systems: Heat exchangers |
| Brand Name | YuHong | Model Number | ASTM A213 T9 HFW Solid Finned Tube with 11-13 Cr Fins |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | AS Fins Solid Finned Tube ，High Frequency Welding Solid Finned Tube ，Heat Exchanger Solid Finned Tube | ||
High Frequency Welding Solid Finned Tube ASTM A213 T9 with AS Fins For Heat Exchanger
The ASTM A213 T9 HFW Solid Finned Tube with 11-13 Cr Fins is a specialized type of heat exchanger tube designed for high-temperature and high-pressure applications. Here's a breakdown of its key components and characteristics:
1. ASTM A213 T9:
This refers to the material specification under the ASTM A213 standard, which covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
T9 is a specific grade of steel, which is a chromium-molybdenum alloy (typically containing around 9% chromium and 1% molybdenum). It is known for its high-temperature strength, corrosion resistance, and oxidation resistance, making it suitable for use in boilers, superheaters, and heat exchangers.
2. HFW (High-Frequency Welded):
HFW refers to the manufacturing process used to produce the tube. High-frequency welding is a method where the edges of the steel strip are heated and fused together using high-frequency electrical currents. This process results in a strong, durable weld that is suitable for high-pressure applications.
3. Solid Finned Tube:
A finned tube is a type of heat exchanger tube that has fins attached to its outer surface to increase the surface area for heat transfer. The fins enhance the efficiency of heat exchange between the tube and the surrounding medium (e.g., air or gas).
Solid fins mean that the fins are integrally attached to the tube, either by being extruded from the tube material or welded securely. This ensures good thermal conductivity and mechanical strength.
4. 11-13 Cr Fins:
The fins are made from a material containing 11-13% chromium. Chromium is added to improve the corrosion resistance and oxidation resistance of the fins, especially in high-temperature environments. This makes the fins suitable for use in aggressive environments, such as those found in power plants, refineries, and chemical processing industries.
Key Features:
In summary, the ASTM A213 T9 HFW Solid Finned Tube with 11-13 Cr Fins is a high-performance heat exchanger component designed for demanding industrial applications where both mechanical strength and corrosion resistance are essential.
Chemical Composition of ASTM A213 T9
The chemical composition of ASTM A213 T9 is specified as follows (in weight percent):
| Element | Composition (%) |
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30–0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.50–1.00 |
| Chromium (Cr) | 8.00–10.00 |
| Molybdenum (Mo) | 0.90–1.10 |
Mechanical Properties of ASTM A213 T9
The mechanical properties of ASTM A213 T9 are specified as follows:
| Property | Value |
| Tensile Strength | ≥ 415 MPa (60,000 psi) |
| Yield Strength | ≥ 205 MPa (30,000 psi) |
| Elongation | ≥ 30% (in 2 inches or 50 mm) |
| Hardness | ≤ 179 HBW (Brinell Hardness) |
The Key Applications of this Finned Tube:
1. Power Generation
Boilers and Superheaters: Used in power plants to transfer heat from combustion gases to water or steam. The T9 material's high-temperature strength and oxidation resistance make it ideal for these applications.
Heat Recovery Systems: Utilized in waste heat recovery units to improve energy efficiency by capturing and reusing heat from exhaust gases.
2. Petrochemical and Refining Industries
Process Heat Exchangers: Used in refineries and chemical plants for heating or cooling process fluids. The 11-13% chromium fins provide excellent resistance to corrosive gases and high-temperature environments.
Furnace and Reformer Tubes: Employed in high-temperature furnaces and reformers where resistance to oxidation and creep is critical.
3. Chemical Processing
Corrosive Gas Heat Exchangers: Suitable for handling aggressive chemical environments due to the corrosion-resistant properties of the chromium-rich fins.
High-Temperature Reactors: Used in reactors where heat transfer and material durability are essential.
4. Air Preheaters
Economizers and Air Preheaters: Used to preheat combustion air in industrial boilers and furnaces, improving fuel efficiency and reducing emissions.
5. Waste Incineration
Waste Heat Boilers: Used in waste incineration plants to recover heat from flue gases. The corrosion-resistant fins are particularly useful in handling acidic and corrosive flue gases.
6. Steel and Metal Processing
Annealing Furnaces: Used in annealing processes where high-temperature heat transfer is required.
Heat Treatment Equipment: Employed in heat treatment furnaces for metals, where durability and heat transfer efficiency are critical.
7. Oil and Gas Industry
Gas Coolers and Heaters: Used in gas processing plants to cool or heat natural gas or other process gases.
Exhaust Gas Heat Exchangers: Utilized to recover heat from exhaust gases in gas turbines or engines.
8. Renewable Energy
Biomass Boilers: Used in biomass power plants to handle high-temperature and corrosive flue gases generated from burning biomass fuels.
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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