MULTI ALLOYS INTERNATIONAL
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90-10 Cupro Nickel

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90-10 Cupro Nickel Specification

Diameter
Available up to 100 mm (for tubes)

Size
Customizable

Condition
New

Finish
Hot Rolled / Cold Rolled / Polished

Surface Treatment
Bright / Annealed / Polished

Outer Diameter
Available up to 100 mm (for tubes)

Cross Dimension
As specified

Product Type
Plate / Sheet / Coil / Strip / Tube

Shape
Sheet, Plate, Strip, Tube, Coil

Strength
Good tensile strength

Hardness
65-120 HV

Alloy
90/10 Cupro Nickel (CuNi10Fe1Mn)

Grade
C70600 / CN102

Length
Custom or as required

Width
Custom or as required

Thickness
0.5 mm - 20 mm

Color
Silver (Metallic)

90-10 Cupro Nickel Trade Information

Payment Terms
Cash Advance (CA), Cash in Advance (CID)

Supply Ability
10 Per Month

Delivery Time
3 Week

Main Domestic Market
All India

About 90-10 Cupro Nickel

Feature

90/10 Cupro Nickel is widely used in sea water. It has very good corrosion resistance to clean moderately polluted marine or estuary water, even containing dissolved incondensable gases.
This alloy is virtually immune from stress-corrosion cracking and hot spot denickelification.
In clean sea water, a velocity of up 2.2-2.5 m/s (7.5-8.5 ft/s) is accepted while 4 m/s (13 ft/s) is the upper limit for clean fresh or slightly saline solutions.
To avoid the risk of deposit attack, it is generally recommended to never operate at water velocities below about 0.8-1 m/s (2.5-3.5 ft/s). 90/10 Cupro Nickel can also be used, with appropriately reduced flow velocity, in contact with water containing some sulphides or suspended solids. It is also often selected for its good mechanical properties, both at room and relatively elevated temperatures.

CU-NI 90/10 TUBES SPECIFICATIONS

Specifications	ASTM B 111, B543, B552 ASME SB 111, SB543, SB552
Dimensions	ASTM, ASME and API
Size	1/2 TO 6 IN OD & NB IN Various SWG & SCH
Specialized in	Large Diameter Size
Type	Seamless / ERW / Welded / Fabricated
Form	Round, Hydraulic Etc
Length	Single Random, Double Random & Cut Length.
End	Plain End, Beveled End, Treaded

TYPES OF CU-NI 90/10 TUBES

Cupro Nickel 90/10 Seamless Tubes	90/10 Cu-Ni Seamless Pipes
UNS C70600 Seamless Tubes	WERKSTOFF NR. 2.0872 Seamless Tubes
ASTM B111 90/10 Cupro Nickel Seamless Tubes	Cu-Ni 90/10 Welded Tubes
90/10 Cupro Nickel Welded Tubes	UNS C70600 Welded Tubes
WERKSTOFF NR. 2.0872 Welded Tubes	ASTM B552 90/10 Cupro Nickel Welded Tubes
Copper Nickel 90/10 ERW Tubes	Cupro Nickel 90/10 EFW Tubes
Cupro Nickel 90/10 Round Tubes	90/10 Cupro Nickel Cu Round Tubes
UNS C70600 Round Tubes	Copper Nickel UNS C70600 Round Tubes
Cupro Nickel 90/10 Fabricated Tubes	90/10 Cu-Ni Fabricated Tubes

CHEMICAL COMPOSITION OF CU-NI 90/10 TUBES

Element	Cu-Ni 90/10
Cu	88.6 min
Pb	0.05 max
Mn	1.0 max
Fe	1.8 max
Zn	1 max
Ni	9-11 max

CU-NI 90/10 TUBES MECHANICAL PROPERTIES

Element	Cu-Ni 90/10
Density	8.1 g/cm3
Melting Point	1443 C (2430 F)
Yield Strength (0.2%Offset)	Psi 35,000, MPa 241
Tensile Strength	Psi -80,000, MPa -551
Elongation	30%

CUPRO NICKEL 90/10 TUBES EQUIVALENT GRADES

STANDARD	Cupro Nickel 90/10
UNS	C70600
WERKSTOFF NR.	2.0872

Superior Corrosion Resistance in Marine Applications

The 90-10 Cupro Nickel alloy stands out for its remarkable resistance to seawater and steam corrosion, making it a reliable choice for heat exchangers, condensers, and marine piping. Its robust performance ensures minimal degradation over time, even in harsh coastal or industrial settings.

Customizable Forms and Dimensions Available

This alloy can be tailored to various requirements, available as plates, sheets, strips, tubes, and coils with thickness ranging from 0.5 mm to 20 mm and tube diameters up to 100 mm. Surface treatments such as bright, annealed, or polished finishes provide flexibility for different operational needs and aesthetics.

FAQs of 90-10 Cupro Nickel:

Q: How is 90-10 Cupro Nickel processed to achieve different finishes and forms?

A: 90-10 Cupro Nickel is manufactured through processes such as hot rolling, cold rolling, and annealing, resulting in sheet, plate, strip, tube, or coil forms. Surface treatments like bright, annealed, or polished are applied to meet specific requirements or enhance appearance.

Q: What are the main benefits of using 90-10 Cupro Nickel in marine environments?

A: This alloy offers exceptional corrosion resistance to seawater and steam, non-magnetic properties, and stable mechanical performance, making it ideal for marine hardware, piping, condensers, and heat exchangers, where durability and longevity are critical.

Q: When is 90-10 Cupro Nickel recommended over other alloys for piping or tubing?

A: 90-10 Cupro Nickel is preferred in marine, power generation, and chemical processing sectors when corrosion resistance against aggressive media like seawater is essential, especially where non-magnetic properties and reliable performance are required.

Q: Where are 90-10 Cupro Nickel products commonly exported from and supplied?

A: Manufacturers, suppliers, and exporters in India offer 90-10 Cupro Nickel products worldwide, delivering materials to shipbuilding, oil and gas, and industrial sectors conforming to ASTM standards.

Q: What is the process to customize the size and shape of 90-10 Cupro Nickel products?

A: Custom sizing is achieved by specifying length, width, thickness, cross dimensions, and outer diameter (for tubes) to meet precise project requirements. The alloy is fabricated and finished according to these specifications.

Q: How does the formability and machinability of 90-10 Cupro Nickel affect its usage?

A: With excellent formability and fair machinability, this alloy can be easily shaped, bent, or joined for complex assemblies. It provides versatility in manufacturing pipes, tubes, and other structural components.

Q: What are the electrical and thermal properties of 90-10 Cupro Nickel?

A: The density is 8.94 g/cm, electrical resistivity is 0.199 m, and thermal conductivity is 40 W/mK, supporting efficient heat transfer in heat exchangers and consistent performance in demanding environments.

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