These Cu-Ni tube & pipes are very important and difficult items for all industrial fields. With much effort and Research & Development, we have been manufacturing all Cu-Ni tube (C70400, C70600, C71000, C71500, C71640) in accordance with our customer's requirments. Cu-Ni tubes used for widely to many industrial field such as Power plant, Oil refineries, Petrochemical, Ship-building Desalination plants. Especially, we are forcusing on Desalination plant and Power plants recently. We can supply the U-bend tubes. Æ Product Item Seamless Straight & U-bend tube, Welded Pipes C70400 (Cu-Ni 95:05) C70600 (Cu-Ni 90:10) Seamless & Welded C71000 (Cu-Ni 80:20) C71500 (Cu-Ni 70:30) C71640 (Cu-Ni-Fe-Mn 66:30:2:2) Æ Product Range - Tube & Pipe Seamless tube and pipes - Outside diameter : 5.0mm(min) ~ 250mm(max) - Wall thickness : 0.5mm(min) - Length : 28,000mm (max) - Product capacity per month : 700 M.T. - U-bend tube (smallest bending radius>2 x tube O.D.) C70600 Welded pipes - Outside diameter : 250mm(min)~1,500mm(max) - Wall thickness : 3mm(min) - Length : 12,000mm(max) - Product capacity per month : 300 M.T. Æ Application of Cu-Ni Alloy Tube & Pipe C70400, C70600, C71000, C71500, C71640 Tube & Pipe Condenser, Evaporator and Heat exchanger tubes, Saltwater piping, Distiller tubes for Petrochemical, Ship-building, Power plants and Desalination plants etc. Desalination Plant Offshore Platform Atomic Power Station Surface Condenser of Power Plant Æ Chemical Composition of Cu-Ni Alloy Classification ClS Related Standards Chemial Composition(%) KS JIS ASTM BS DIN Cu Zn Pb Fe P Sn Ni Mn Al As Other Cu-Ni Alloy 1 D 5301C 7060C 7100C 7150 H 3300V 7060C 7100C 7150 B 111C70600C71000C715000 2871CN102CN107CN106 17644CUNI10FeCUNI20FeCUNI30Fe - 0.05max 0.05max 1.0-1.8 9.0-11.0 0.20-1.0 CuNiFeMn99.5min 2 - 0.05max 0.05max 0.5-1.0 19.0-23.0 0.20-1.0 CuNiFeMn99.5min 3 - 0.05max 0.05max 0.40-1.0 29.0-33.0 0.20-1.0 CuNiFeMn99.5min Æ Mechanical Properties of Cu-Ni Alloy Classification Temper Designation Tensile Test Hardness test OutsideDiameter(mm) Thickness(mm) TensileStrengthKgf/mm² Elongation(%) YieldStrength(kg/mm²) Rockwell Hardness HR30T HR15T Cu-Ni Alloy O61 C70600 5-250 0.8-10 28Min 30Min 11Min - - C71000 5-50 0.8-5 32Min 32Min 12Min - - C71500 5-50 0.8-5 36Min 30Min 13Min - - C71640 5-50 0.8-5 44Min 30Min 18Min - -