Cu-Ni Tube & Pipe
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Cu-Ni Tube & Pipe
These Cu-Ni tube & pipes are very important and difficult itmes for all industrial field.
With much effort and R&D, we have been manufacturing all Cu-Ni tube (C70400, C70600, C71000, C71500, C71640) in accordance with our customer's requirments.
Cu-Ni tubes are widely usedin many industrial field such as Power plant, Oil refinery, Petrochemical, Ship-building, Disalination.
Especially, we are forcusing on Desalination plant and Power plants recently.
We can supply these tybe as U-bend tubes.
Product Items : (Seamless straight & U-bend tubes)
- • C70400 (Cu-Ni 95:05)
- • C70600 (Cu-Ni 95:10)
- • C71000 (Cu-Ni 80:20)
- • C71500 (Cu-Ni 70:30)
- • C71640 (Cu-Ni-FeMn 66:30:2:2)
Product Range(Seamless tube and pipes)
- • Outside diameter : 5.0 mm(min) ~ 250 mm(max)
- • Wall thickness : 0.5mm(Min.)
- • Length : 27,000mm(Max.)
- • Product capacity per month : 1,000 M.T.
- • U-bend tube (smallest bending radius ≥ 2 x tube O.D.)
Application :
Condenser, Evaporator and Heat exchanger tubes, Saltwater piping,
Distiller tubes for Petrochemical, Ship-building, Power plants and Desalination plants etc.
Distiller tubes for Petrochemical, Ship-building, Power plants and Desalination plants etc.
Chemical composition
| Class | Chemical composion(%) | Related standards | ||||||||||||||
| Cu | Zn | Pb | Fe | P | Sn | Ni | Mn | Al | As | Other | KS | JIS | ASTM | BS | DIN | |
| 1 | Rem. | 1.00 Max. | 0.05 Max. | 1.3 - 1.7 | 4.8 - 6.2 | 0.3 - 0.8 | Cu+Ni+Fe+Mn 99.5min. | D5301 C7040 | H3300 C7040 | B111 C7040 | 2871 CN101 | 17664 CuNi5Fe | ||||
| 2 | Rem. | 1.00 Max. | 0.05 Max. | 1.0 - 1.8 | 9.0 - 11.0 | 1.0 Max. | Cu+Ni+Fe+Mn 99.5min. | C7060 | C7060 | C70600 | CN102 | CuNi10Fe | ||||
| 3 | Rem. | 1.00 Max. | 0.05 Max. | 0.5 - 1.0 | 19.0 - 23.0 | 1.0 Max. | Cu+Ni+Fe+Mn 99.5min. | C7100 | C7100 | C71000 | CN104 | CuNi20Fe | ||||
| 4 | Rem. | 0.05 Max. | 0.05 Max. | 0.40 - 1.0 | 29.0 - 33.0 | 1.0 Max. | C7150 | C7150 | C71500 | CN107 | CuNi30Fe | |||||
| 5 | Rem. | 1.00 Max. | 0.05 Max. | 1.7 - 2.3 | 29.0 - 32.0 | 1.5 - 2.5 | C71640 | CN108 | CuNi30-Fe2Mn2 | |||||||
Mechanical properties
| Temper | Designation | Tensile test | Hardness test | |||||
| Outside diameter(mm) | Thickness (mm) | Tensile strength min ksi | Elongation in 2in., min% | Yield strength min ksi | Rockwell hardness | |||
| HR30T | HR15T | |||||||
| O61 | C70400 | 5-250 | 0.8-10 | 38 | - | 12 | - | - |
| C70600 | 5-250 | 0.8-5 | 40 | - | 15 | - | - | |
| C71000 | 5-50 | 0.8-5 | 45 | - | 16 | - | - | |
| C71500 | 5-50 | 0.8-5 | 52 | - | 18 | - | - | |
| C71640 | 5-50 | 0.8-5 | 63 | - | 25 | |||
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