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YUHONG HOLDING GROUP CO., LTD
1 Years
| Ask Lasest Price | |
| 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 |
| Price : | 1 - 10000 USD |
| Payment Terms : | L/C,T/T |
| Supply Ability : | 10000 Tons/Month |
| Delivery Time : | 5 - 90 Days |
| 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.
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