YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days |
| Packaging Details | Ply-Wooden Case |
| Base Tube Material | TP321 |
| Base Tube Standard | ASTM A249 , ASME SA249 |
| Type | Wound, L type, LL Type, KL Type |
| Application | Air cooler, Cooling Tower, Heat Exchanger, Condenser |
| Fin type | L Type Fin Tube , LL Type Fin Tube , KLM Fin Tube |
| Fin Material | Aluminum , Copper , Stainless Steel , Carbon Steel |
| Brand Name | YUHONG |
| Model Number | L Type Fin Tube , LL Type Fin Tube , KLM Fin Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 |
| Place of Origin | China , Korea |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days | Packaging Details | Ply-Wooden Case |
| Base Tube Material | TP321 | Base Tube Standard | ASTM A249 , ASME SA249 |
| Type | Wound, L type, LL Type, KL Type | Application | Air cooler, Cooling Tower, Heat Exchanger, Condenser |
| Fin type | L Type Fin Tube , LL Type Fin Tube , KLM Fin Tube | Fin Material | Aluminum , Copper , Stainless Steel , Carbon Steel |
| Brand Name | YUHONG | Model Number | L Type Fin Tube , LL Type Fin Tube , KLM Fin Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 | Place of Origin | China , Korea |
| High Light | Condenser steel fin tube ，steel fin tube For Air Cooler ，astm a249 tubing TP321 | ||
Wound Fin Tube ASTM A249 TP321 For Air Cooler , Heat Exchager , Condenser
TP321 is a titanium-stabilized austenitic stainless steel that offers excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 427°C to 816°C (800°F to 1500°F). This alloy is particularly suitable for high-temperature applications and environments where oxidation and corrosion resistance are crucial.
When used in ASTM A249 TP321 Wound Fin Tubes, it becomes highly effective in heat exchanger applications, providing robust performance and efficient heat transfer. These fin tubes are widely used in power generation, industrial boilers, chemical processing, and aerospace industries, providing reliable and durable performance in demanding environments.
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Wound | L / KL / LL Type Fin Tube | 16-63 | 2.1-5 | <17 | ~0.4 |
Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Ni | Ti |
| TP321 | ≤ 0.08% | ≤ 2.00% | ≤ 0.75% | ≤ 0.045% | ≤ 0.030% | 17.0–19.0% | 9.0–12.0% | 5x(C + N) minimum, 0.70% maximum |
Mechanical Properties:
| Tensile Strength | 515 MPa (75,000 psi) minimum |
| Yield Strength | 205 MPa (30,000 psi) minimum |
| Elongation | 40% minimum in 50 mm |
| Hardness | ≤ 95 HRB (Rockwell Hardness B) |
Key Features:
Enhanced Heat Transfer: The fins significantly increase the surface area, thereby enhancing the heat transfer rate.
Corrosion Resistance: TP321 provides excellent resistance to oxidation and intergranular corrosion, making it suitable for high-temperature applications.
Mechanical Bonding: The wound fin design ensures a secure mechanical bond between the fins and the base tube, ensuring efficient heat transfer and durability.
High Thermal Conductivity: Fins (often aluminum) ensure high thermal conductivity, improving overall heat exchanger efficiency.
Durable Base: The TP321 base tube provides high durability and resistance to mechanical stress under high temperatures.
Applications:
1. Heat Exchangers
2. Boilers and Superheaters
3. Chemical Processing
4. Aerospace and Defense
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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