Copper Nickel tubes, 30% – C71500 – has, in general, the best resistance of any of the copper alloys to impingement attack and to corrosion from most acids and waters. It is being used in severe corrosive conditions in which service lives longer than those of other copper alloys are desired.

 

 

 

UNS No.	C71500 – BSI No. CN107 – ISO Name CuNi30Mn1Fe
Chemical Comp. (%)	Cu rem / Ni 29 ~ 33 / Pb 0.05 / Fe 0.40 ~ 1 / Zn 1 max
ASTM Spec.	B 111, B 359, B395, B 466, B 467, B 543, 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 / HR50 Drawn & Stress Relieved

 

 

 

Properties *	Metric	English
Density	8.94 g/cc	0.323 lb/in³
Tensile Strength min.- O61 -/- HR50	360 MPa -/- 495 MPa	52 ksi -/- 72 ksi
Yield Strength min.- O61 -/- HR50	125 MPa -/- 345 MPa	18 ksi -/- 50 ksi
CTE, linear	16.2 10-6/°C @ 20.0 – 300 °C	9.0 10-6/°F @ 70.0 – 570 °F
Specific Heat Capacity	0.09 cal/g-°C @ 20ºC	0.09 BTU/lb-°F @ 70ºF
Thermal Conductivity	29 W/m-K @ 20.0 °C	17 BTU/ft2/ft/h/°F @ 70.0 °F
Melting Point	1171 – 1238 °C	2140 – 2260 °F