Copper Nickel 90-10 tubes – exhibits excellent resistance to impingement attack. It is also highly resistant to SCC. This alloy is suitable for Marine condenser tube installations in place of Aluminum Brass, especially where higher water velocities are encountered.
UNS No. | C70600 – BSI No. CN102 – ISO Name CuNi10Fe1Mn |
Chemical Comp. (%) | Cu rem / Ni 9 ~ 11 / Pb 0.05 / Fe 1 ~ 1.8 / Zn 1 max / Mg 1 max |
ASTM Spec. | B 111, B 395, B 466, B 552 |
ASME Spec. | SB 111, SB 395, SB 466 |
Applications | Condenser, Evaporator and Heat Exchanger tubes; Distiller tubing; Salt Water piping. |
Temper | O61 Annealed / H55 Light-Drawn |
Properties * | Metric | English |
Density | 8.94 g/cc | 0.323 lb/in³ |
Tensile Strength min.- O61 -/- H55 | 275 MPa -/- 310 MPa | 40 ksi -/- 45 ksi |
Yield Strength min.- O61 -/- H55 | 105 MPa -/- 240 MPa | 15 ksi -/- 35 ksi |
CTE, linear | 17.1 10-6/°C @ 20.0 – 300 °C | 9.5 10-6/°F @ 70.0 – 570 °F |
Specific Heat Capacity | 0.09 cal/g-°C @ 20ºC | 0.09 BTU/lb-°F @ 70ºF |
Thermal Conductivity | 45 W/m-K @ 20.0 °C | 26 BTU/ft2/ft/h/°F @ 70.0 °F |
Melting Point | 1099 – 1149 °C | 2010 – 2100 °F |
* The information provided in this page includes typical values “only” for general reference and information. It is not intended for specification, design or engineering purposes.