Tubi in rame nichel C71500

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  • Inchiesta

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
Applicazioni Condensatore, Evaporator and Heat Exchanger tubes; Distiller tubing; Salt Water piping.
Carattere O61 Annealed / HR50 Drawn & Stress Relieved

 

Proprietà * Metrico English
Densità 8.94 g/cc 0.323 libbre/pollici³
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

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