ASTM A269 TP304L Stainless Steel Extruded Fin Tube for Calderas
YUHONG Group can handle kinds of industry projects and supply variety of extruded fin tubes in the industry. All of our products are domestically sourced, developed, and produced, that means our customers have immediate access to exactly the products they need for their particular application. What´s more, and we can make sure that you can get products with highest quality and manufacturing standards and a local, concerned, customer service presence.
This page is about ASTM A269 TP304L Extruded Single Metal Gombined Metal stainless steel fin tube with fin general material copper / aluminum, we sell these fin tubes more than 33 years and sell in over 70 countries.
Fin tubes are used in many different industries. Fin tubes can use at very high temperatures possible because the strong connection between fin and base tube prevents loosening of fin because of heat stress, oxidization, corrosion etc. This extruded finned tubes configuration can be used in practically any heat transfer applications, and especially suited for high temperature, high pressure applications. And these tubes are used with a wide range of material such as carbon steel, low alloys steel and stainless steel for corrosive flue gas or high temperatures.
General Specifications Fin Tubes
Tube/Pipe Size: 5/8.00″ to 2″ OD
Fin Height: 10 mm to 50.8mm
Fin Thickness: 0.3mm ~ 0.6 mm
Fin Pitch: 1 to 20 fins per inch
Specifications For Various Types Of Finned Tubes
| Type | Description | Base tube | Fin specification (mm) |
| O.D. (mm) | Fin pitch | Fin height | Fin thick |
| Embedded | G-type fin tueb | 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 | 8.0~30 | <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 | 5~35 | φ5-20 |
Tube Material : Materials Carbon Steel ,Alloy Steel ,Stainless Steel and Corrosion-resistance Steel and etc.
Features Of Finned Tube
High-performance
Easy installation
Easy installation
Less space required
Optimized surface
Finest technology used
Less energy consumption
Increased reliability
Low maintenance
High mechanical resistance
Compact design,etc
Detailes Of ASTM A269 Tube
ASTM A269 This specification covers nominal-wall-thickness seamless and welded tubes made from the austenitic steels , with various grades intended for such use as U-bending or Coil available, boiler, superheater, heat exchanger, or condenser tubes.
Chemical Composition (%)--MAX
| Grade | C | Mn | P | Su | Si | Cr | Ni |
| TP304L | 0.03 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-12 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) | Elongation | Rockwell Hardness |
| TP304L | ksi-70,MPa-485 | ksi-25,MPa-170 | 35% | B90 |
Inspections and Tests TP304L Fin Tube
| Inspections and Tests:G-fin; L-fin; LL-fin; KL-fin; Extruded-fin Finned Tubes |
| 1.Chemical Composition |
| 2.Mechanical Properties |
| 3.Hydrostatic Test |
| 4.Pneumatic Test |
| 5.Boroscopic Inspection |
| 6.Eddy Current Test |
| 7.Tensile Test (only for bimetallic tube) |
Related Industries Involved
1.Petroleum Industry
2.Metallurgical industry
3.Power industry
4.Light industry
5.Pharmaceutical industry
6.Food industry
7.Chemical industry
Application
1.Boilers
2.Economizers
3.Fin tubes
4.Waste Heat Recovery
5.Air Coolers / Oil Coolers / Hydrogen Coolers / Generator Coolers
6.Air Perheaters / Air Cooling Heat Exchanger / Super Heaters / Fired heaters / HRSG
7.Heat Pipe Technology
For a rapid quotation, pls send with following requirement:
1.Number of Pieces.
2.Base Tube: Diameter, thickness, length and material specification.
3.Fins: material specification, type (solid or serrated), height, thickness, spacing, finned length and unfinned sections. Weld prep details if required.
4.Delivery period required.
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ASTM A269 TP304L Stainless Steel Extruded Fin Tube for Calderas Images
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