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UNS C71500 Copper Nickel Tube O61 Fully Annealed Seamless Alloy Pipe
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UNS C71500 Copper Nickel Tube O61 Fully Annealed Seamless Alloy Pipe

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UNS C71500 Copper Nickel Tube O61 Fully Annealed Seamless Alloy Pipe

 

Copper Nickel C71500 Details:

 

Copper Nickel C71500 (CuNi30MnFe1) is a copper nickel alloy with limited additions of manganese and iron to increase the strength. Copper Nickel 70/30 is also insensitive to stress corrosion.

 

Although this alloy was already known by the Chinese in the 9th Century, it did not become popular until the 1920’s when it was developed for naval applications in seawater condenser systems.

 

The addition of iron helps grain refining and increases the erosion resistance with flowing seawater.

 

It retains its strength well at moderately elevated temperatures, has good cold and hot working properties and is easily weldable.

 

The alloy is now used in a wide spectrum of applications, ranging from piping for seawater, cladding for offshore platforms and underwater cages for fish farming.

 

Being high in copper Copper Nickel 70/30 has anti-bio-fouling properties in seawater, and more recently, has been proven to have anti-microbial applications in hospital environments to combat the spread viral bacteria.

 

 

Cu-Ni Tube Standards ASTM B111,ASME SB111
Cu-Ni Tube Type Seamless Copper Nickel Tube
Cu-Ni Material Cu-Ni 90/10, Cu-Ni 70/30,C70600,C71500,C70400,C68700
Tube Dimensions OD"5-330 mm WT: 0.4-10 mm Length Range: < 15000 mm
Application: marine environments, power generation, offshore, oil & gas and defence sectors

Drawn copper nickel tube

combines cold and hot working properties,highest degree of seawater corrosion and erosion

resistance and great strength.Typical users are distillation and desalination plants and marine, coolers and heat exchangers.

 

Trade Name UNS Copper Nickel Industry Specifications Chemical Composition Min. Tensile
(KSI)		 Min. Yield
(KSI)		 Elongation
%
CuNi 90/10 UNS C70600
UNS C70620		 ASME SB111, SB171, SB359, SB395, SB466, SB467, SB543
ASTM B111, B122, B151, B171, B359, B395, B432, B466, B467, B543, B608 DIN 2.0872 MIL C-15726, T-15005, T-16420, T-22214 SAE J461, J463		 Cu 88.6 min
Pb. 05 max*
Fe 1.8 max
Zn
1 max*
Ni 9-11 max
Mn 1.0 max		 38 15 30
CuNi 90/10 UNS C70600 EEMUA 144 90/10, 145 90/10, 14 90/1 Cu rem.
Pb. 01 max
Fe 1.5-2.0
Zn 0.2 max
P 0.2 max
S 0.2 max
Ni 10-11
Mn 0.5-1.0		 40 15 30
CuNi 70/30 UNS C71500
UNS C71520		 ASME SB111, SB171, SB359, SB395, SB466, SB467, SB543
ASTM B111, B122, B151, B171, B359, B395, B432, B467, B543, B552, B608, F467, F468
DIN 2.0882
MIL C-15726, T-15005, T-16420, T-22214
SAE J461, J463		 Cu rem (65.0 min)
Pb. 05 max*
Fe 0.4-1.0
Zn 1 max*
Ni 29-33
Mn 1 max		 52 18 45
CuNi 70/30 UNS C71640
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