Copper Nickel tubes C70600

Copper-nickel (also known as cupronickel) alloys offer excellent corrosion resistance to seawater and good fabricability. The addition of nickel to copper improves strength and corrosion resistance while allowing the alloy to remain ductile, other elements can be added to copper-nickel to increase strength, corrosiebestendigheid, hardening, weldability and castability. The nickel-copper alloy has been widely used for r marine applications. C70600 often known as 90-10 copper-nickel, is the alloy with 90% koper en 10% nikkel, has been widely used in the automotive, admiralty, shipping, offshore as well as power generation.

 

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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-nr.. C70600 – BSI No. CN102 – ISO Name CuNi10Fe1Mn
Chemische Comp. (%) Cu rem / Ni 9 ~ 11 / Pb 0.05 / Fe 1 ~ 1.8 / Zn 1 .max / Mg 1 .max
ASTM-specificaties. B 111, B395, B466, B 552
ASME-specificaties. SB 111, SB 395, SB466
Toepassingen Condensator, Verdamper- en warmtewisselaarbuizen; Distilleerdersbuizen; Salt Water piping.
Humeur O61 Gegloeid / H55 Light-Drawn

 

Eigenschappen * Metriek Engels
Dichtheid 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
ATA, lineair 17.1 10-6/°C @ 20.0 – 300 °C 9.5 10-6/°F @ 70.0 – 570 °F
Specifieke warmtecapaciteit 0.09 cal/g-°C @ 20ºC 0.09 BTU / lb-°F @ 70ºF
Thermische geleidbaarheid 45 W/m-K @ 20.0 °C 26 BTU/ft2/ft/h/°F @ 70.0 °F
Smeltpunt 1099 – 1149 °C 2010 – 2100 °F

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