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 |
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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 | TP321 fin tube coil ，22mm fin tube coil ，ASTM 22mm finned copper pipe | ||
| 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 |
TP321 is a titanium-stabilized austenitic stainless steel offering excellent resistance to intergranular corrosion following exposure to temperatures between 427°C to 816°C (800°F to 1500°F). This alloy is particularly suitable for high-temperature applications requiring oxidation and corrosion resistance.
When used in ASTM A249 TP321 Wound Fin Tubes, it provides robust performance and efficient heat transfer for applications in power generation, industrial boilers, chemical processing, and aerospace industries.
| Type | Description | Base tube O.D. (mm) | Fin pitch | Fin height | Fin thick |
|---|---|---|---|---|---|
| Wound | L / KL / LL Type Fin Tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| 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 |
| 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) |
Shell and Tube Heat Exchangers for chemical/petrochemical industries and Air-Cooled Heat Exchangers for industrial/HVAC applications.
Used in steam boilers and superheaters in power generation plants and industrial boilers requiring high temperature/pressure resistance.
Ideal for heat exchangers and condensers in chemical plants and petrochemical refineries handling corrosive substances.
Employed in aerospace heat exchangers where materials must withstand extreme temperatures and corrosive environments.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1990
Total Annual:
5000000-10000000
Employee Number:
50~100
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. The factories alre... 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. The factories alre...
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