Torich International Limited
| Payment Terms | T/T, L/C |
| Supply Ability | 5000tons per year |
| Delivery Time | 5-8 weeks days |
| Packaging Details | In bundles |
| Based tubes Material | ASTM A213 304 316 |
| Standard | ASTM |
| Fin | Al |
| Application | Heat exchanger |
| Alloy or not | Non-alloy |
| Secondary or not | Non-secondary |
| Technique | Cold Drawn |
| Thickness | 0.6 - 50.0 mm |
| Brand Name | Torich |
| Model Number | ASTM A213 |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 5000tons per year |
| Delivery Time | 5-8 weeks days | Packaging Details | In bundles |
| Based tubes Material | ASTM A213 304 316 | Standard | ASTM |
| Fin | Al | Application | Heat exchanger |
| Alloy or not | Non-alloy | Secondary or not | Non-secondary |
| Technique | Cold Drawn | Thickness | 0.6 - 50.0 mm |
| Brand Name | Torich | Model Number | ASTM A213 |
| Certification | ISO | Place of Origin | China |
ASTM A213 304 316 Fin Tube Connector Fin Tube Air Cooler Finned Pipe Heat Exchanger Finned Stainless Steel Tubing
Finned tubes are used in applications involving the transfer of heat from a hot fluid to a colder fluid through a tube wall.
The rate at which such heat transfer can occur depends on three factors: (1) the temperature difference between the
two fluids; (2) the heat transfer coefficient between each of the fluids and the tube wall; and (3) the surface area to which
each fluid is exposed. In the case of a bare (unfinned) tubes, where the outside surface area is not significantly greater
than the inside surface area, the fluid with the lowest heat transfer coefficient will dictate the overall heat transfer rate.
When the heat transfer coefficient of the fluid inside the tube is several times larger than that of fluid outside the tube
(for example steam inside and oil outside), the overall heat transfer rate can be greatly improved by increasing the
outside surface of the tube. In mathematical terms, the product of heat transfer coefficient for the outside fluid multiplied
by the outside surface area is made to more closely match the product of the inside fluid heat transfer coefficient multiplied
by the inside surface area.
Base tube material: SA213 304 SMLS 31.8mmOD*2.9mmTHK*7260mmLG
Fin Material: CS; FPM67fins X 1.5 mm THK x 75 mm W x 160 mm H
Manufacturing Process of Air Cooler Finned Pipe :
It adopts high frequency welding spiral technology, the national patent technology with high frequency power supplies as
the heat source to heat the steel strip, steel pipe at the same time,be welded together
Material: Steel, Carbon Steel, etc.
Bare tube Connector Fin Tube OD: 25-63mm Fin Pitch: 8-30mm Fin Height: <200mm Fin Thick: 1.5-3.5mm
| Name | Base tube (OD) mm | Fin Pitch (mm) | length (m) | |||
| Min | Max | Min | Max | Min | Max | |
| Extruded aluminum fin tube | 12.7 | 51 | 2.1 | 10 | 0.5 | 20 |
| L/LL/KL aluminum fin tube | 19 | 51 | 2.1 | 3.2 | 0.5 | 15 |
| Embedded aluminum fin tube | 19 | 42 | 2.3 | 3.2 | 0.5 | 15 |
| Low fin tube | 12.7 | 32 | 0.8 | 2 | 0.5 | 20 |
| Spiral fin tube | 12.7 | 70 | 0.5 | 20 | ||
| ERW HF spiral fin tube | 16 | 219 | 3 | 25 | 0.5 | 28 |
| ERW HF spiral serrated fin tube | 16 | 219 | 3 | 25 | 0.5 | 28 |
| Serrated width(mm) 10 min~26 max | Serrated depth(mm) 4 min~16 max | |||||
| ERW studded tube | 89 | 200 | 16 | 50 | 2 | 15 |
| DC ERW H/HH fin tube | 25 | 51 | 9 | 25 | 1 | 15 |
| H/HH fins | Length(mm) 60 min-150 max | Thickness(mm) 1.5 min~4 max | Width(mm) 30 min~50 max | |||
Applications
Typical examples of applications where finned tubes are used include the following:
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Site Member
Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO... Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO...
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