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High Performance Copper Alloy ASTM B466 UNS C70600 2.0872 Seamless Pipe
What is ASTM B466?
This specification establishes the requirements for seamless copper-nickel pipe and tube in straight lengths, suitable for general engineering purposes. The alloys involved are copper alloys UNS Nos. C70400, C70600, C70620, C71000, C71500, C71520, and C72200.
What is UNS C70600?
UNS C70600 is one type of copper-nickel alloys, which has excellent corrosion resistance even in marine environments. This alloy possesses average high strength and good creep resistance at high temperatures, and costs more in comparison to copper-aluminum alloys and other alloys with similar mechanical properties.
C70600 Copper Nickel 10% Alloy is used in applications where resistance to corrosion and stress cracking is important. C70600 Copper Nickel 10% Alloy is known for its moderate strength, weldability and formability.
C70600 copper-nickel is an alloy of copper, further classified as a copper-nickel (cupronickel). CW352H is the EN numeric designation for this material.
Features Of Cu-Ni ASTM B466 UNS C70600 90/10 Pipes & Tubes
-Corrosion resistance
-Durable Fine finish
-High strength
-Excellent flow characteristic
Chemical composition of C70600
| Element | Content (%) |
|---|---|
| Cu | 88.7 |
| Fe | 1.3 |
| Ni | 10.0 |
Physical properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.94 g/cm3 | 0.323 lb/in3 |
Mechanical properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 303-414 MPa | 43900-60000 psi |
| Tensile strength, yield (depending on temper) | 110-393 MPa | 16000-57000 psi |
| Elongation at break (in 254 mm) | 42.00% | 42.00% |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 52.0 GPa | 7540 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 140 GPa | 20300 ksi |
UNS C70600 Equivalent
| STANDARD | WERKSTOFF NR. | UNS |
| 90/10 Copper Nickel Flanges | 2.0872 | C70600 |
Advantages of CuNi Tubes:
-Simple alloying system with good weldability
-Excellent ductility and toughness
-Outstanding erosion corrosion performance
-Resistant to uniform and localised corrosion
-No effect of ambient seawater temperatures
-No effect of seawater chlorination
-Resistant to biofouling
-Resistant to stress-corrosion cracking
-Low maintenance costs
Applications:
-Hydraulic lines
-Fish cages for aquaculture
-Heat exchangers and condensers
-Desalination units
-Sea water pipework
-Tubes for power plants and ships
-Offshore fire water systems
-Pumps, valves, sheathing and fittings for ship hulls
-Desalination units
-Hydraulic lines
-Fish cages for aquaculture
-Heat exchangers and condensers
-Sea water pipework
-Offshore fire water systems
-Tubes for power plants and ships
-Pumps, valves, sheathing and fittings for ship hulls
