Extruded ASTM A269 TP304 Stainless Steel Finned Heat Exchanger Tube
ASTM A269 TP304 Stainless Steel Extruded Finned Tube for Heat Exchanger
Extruded fin tubes Stainless steel extruded finned tubes are specialized thermal components designed to enhance heat transfer efficiency in a variety of industrial applications. They combine the advantages of fins—used to increase surface area for heat exchange—with the durability and corrosion resistance of stainless steel. This ensures longevity and performance even in harsh environments.
A269 TP304 Stainless Steel Tube Equivalent Grades
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| TP304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
A269 TP304 Stainless Steel Tube Chemical Composition
| Grades | Carbon | Chromium | Phosphorus | Sulfur | Manganese | Silicon | Nickel |
| TP304 | 0.08 | 18.0-20.0 | 0.045 | 0.03 | 2 | 1 | 8.0-11.0 |
A269 TP304 Stainless Steel Tube Mechanical Properties
| Material | Temperure | Heat | Yield Strength | Tensile Strength | Elongation |
| Min.º F(º C) | Treatment | Ksi (MPa) | Ksi (MPa) | ||
| TP304 | 1900 (1040) | Solution | 30(205) | 75(515) | 35 |
Specification
| Bare tube Specification & Material |
Stainless steel:
SUS316TB,SUS316HTB,SUS316HTB |
| Fin material | AL1060, AL6063, AL1100, C12200 ,SS304,SS304L,SS316L,SS409 etc. |
| Type | Extruded fin tube L/LL//KL fin tube "G" Embedded fin tube Low fin tube High frequency welded fin tube Integral fin tube... |
| Process | Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube |
| Finish | Annealed & pickled, bright annealing, polished, antirust oil, the black painting |
| Ends | Beveled end, Plain end, Plastic Cap at Both end |
| Yuhong Group Fin Tube Specification | |||||
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| Extruded | Single metal combined metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
| Low fin tube t-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 | |
| Bamboo tube corrugated tube | 16-51 | 8~30 | <2.5 | / | |
| Wound | l/kl/ll type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3~25 | 5~30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8~30 | 5~30 | φ5-20 | |
Application of Extruded finned tubes application:
- Operating temperatures less than 300°C;
- Offshore or other remote applications;
- Heat pipes;
- Dry air coolers for air, gas or oil;
- Air to air heat exchangers for HVAC applications;
- Air dehumidification in air treatment plants
- Eenergy recovery in air exhaust system.
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