TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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A fin tube is a tube that has lots of fins around the outside surface.
These fins act as a filter and a mechanism to transfer heat from the
material inside the tube to the outside space or vice versa.
Fin tubes are used in applications that require a transfer of heat
from a hot fluid to a colder fluid through the tube's wall.
♦ Welded finned tubes
♦ Extruded finned tubes
♦ Welded helical solid finned tubes
♦ Welded serrated finned tubes
♦ Welded helical serrated finned tubes
Our Advantages
Professional facility to produce in excess of 100 tons of quality finned tube per month.
♦ Over 20 years experience
♦ Out standing quality
♦ Three different finning process
♦ Two fully automatical H.F Induction Welding Lines
♦ More than 15 finning machines
♦ Different coiling and bending process
♦ Highly skilled technicians
♦ Numerous domestic and overseas customers
| Items | Code | Dimensions | Tolerances |
| Tube outside diameter | D1 | Φ25~Φ219 mm | ±0.2 mm |
| Fin outside diameter | D2 | Φ37~Φ279 mm | ±0.75 mm |
| Fin pitch | M | 4~90 mm | ±0.2 mm |
| Fin height | H | 6~30 mm | ±0.75 mm |
| Tube thickness | δ1 | 2~16 mm | ±0.15 mm |
| Fin thickness | δ2 | 0.8~2.5 mm | ±0.1 mm |
| Unfinned tube ends length | L1 | customized | ±1‰*L1 mm |
| Unfinned tube ends length | L2 | customized | ±1‰*L2 mm |
| Maximum tube length | L | 0.5~25 m | ±1‰*L mm |
Key words: fin tube dimensions, fin tube heat exchanger,fin tube products
Product Pictures:
Eddy Current Test and Ultrasonic Test:
Quality Inspection in lab:
Packing:
QUALITY CONTROL
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects
BS 633-4 Seamless Cold Drawn Steel Pipes DOM Steel Tube