GB/T19447 TORICH 0.1mm Seamless Copper Pipe
Low Finned Tubes add short fin in the tube wall that greatly increase the surface area over smooth tube.
| Material | C10200, C11000, C70400 C44300 Etc |
| Size | Fin Thickness: 0.1-2mm; Tube OD: 8-55mm; Length: max 12m |
| Fin Pitch | Customize |
| Surface | Copper Coated |
| End protector | Plain End / Beveled End |
| Application | Enhanced Evaparation, Oil&Gas Well Drilling, For Heat Exchanger |
| Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test |
| Plain tube (mm) | Finned section dimensions (mm) | Ratio | De | |||
| D×t | Tp | dd | dr | di | η | mm |
| 19×2 | 0.8 | 18.8 | 17 | 134 | 2.8 | 17.9 |
| 19×2 | 1 | 18.8 | 16.8 | 13.4 | 2.5 | 17.8 |
| 19×2 | 1.25 | 18.8 | 16.6 | 13 | 2.2 | 17.8 |
| 19×2 | 1.5 | 18.8 | 16.4 | 13 | 2 | 17.7 |
| 19×2 | 2 | 18.8 | 23 | 13 | 1.7 | 17.5 |
| 25×2.5 | 0.8 | 24.8 | 22.6 | 18.8 | 2.8 | 23.9 |
| 25×2.5 | 1 | 24.8 | 22.3 | 18.8 | 2.75 | 23.7 |
| 25×2.5 | 1.25 | 24.8 | 22.3 | 18 | 2.5 | 23.6 |
| 25×2.5 | 1.5 | 24.8 | 22.3 | 18 | 2.2 | 23.5 |
| 25×2.5 | 2 | 24.8 | 22 | 18 | 1.8 | 23.4 |
| 25×2.5 | 2.5 | 24.8 | 22 | 18 | 1.6 | 23.3 |
| D------Outside diameter of plain end section Dof----Diameter of top fins Dr-----Root diameter of finned section Di-----Inside diameter of finned section T------Wall thickness of plain end section Tp-----Fin pitch De----Equivalent diameter of finned tube L------Plain tube end length | ||||||
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.
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
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