Copper Nickel tubes, 10% – C70600 - 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