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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 / ني 29 ~ 33 / الرصاص 0.05 / ف 0.40 ~ 1 / الزنك 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 |
التطبيقات | المكثف, 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 درجة فهرنهايت |
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 درجة فهرنهايت |
Melting Point | 1171 – 1238 °C | 2140 – 2260 درجة فهرنهايت |
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