Copper Nickel Resistance Alloys 

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Buy Mill-Direct from the Stocking Supplier /
Custom Re-roller of
Low Ohm Resistance Copper Nickel Alloys

/ Coil


DFAR Compliant
Mill Certs with
Full Traceability.

Minimum order
 as low as 25 lbs.


 Copper Nickel Low Ohm Resistance Alloys exhibit low to medium resistance to the flow of
 electricity.  We offer made-to-order custom sizes of Strip / Coil in these alloys...


Chemical Composition UNS number Specifications Resistivity ohms per circular mil ft
30 Ohm Alloy Ni2% Cu Bal C70200 ASTM B122 30 ohm/cmf
60 Ohm Alloy Ni6% Cu Bal similar to C70500 ASTM B122 60 ohm/cmf
90 Ohm Alloy Ni10% Cu Bal C70700 ASTM B122 90 ohm/cmf
180 Ohm Alloy Ni23% Mn Cu Bal C71100 ASTM B122 180 ohm/cmf
294 Ohm Alloy Ni44% Mn1 Cu Bal C72150, N04401 ASTM B267 300 20 ohm/cmf

 Common Trade Names:  

30 Ohm Alloy: Copper Nickel 30 CuNi Alloy 30 CuNi2 Niclal 02
Resistance Alloy 30
60 Ohm Alloy: Copper Nickel 60 CuNi Alloy 60 CuNi6 Niclal 06
Resistance Alloy 60
90 Ohm Alloy: Copper Nickel 90 CuNi Alloy 90 CuNi 90/10 Niclal 10
Resistance Alloy 90
180 Ohm Alloy: Copper Nickel 180 CuNi Alloy 180 CuNi 77/23 Niclal 23
Resistance Alloy 180
294 Ohm Alloy: Copper Nickel 294
Copper Nickel 300
CuNi Alloy 294
CuNi Alloy 300
300 Ohm Alloy
Alloy 401
Constantan 45

 Our DFAR compliant certs are fully traceable, and are automatically included with every order.

 Tempers:  We offer Copper-Nickel Resistance Alloys strip coil in custom Tempers from soft
 Annealed to Full Hard.

 Gauges:  Our Copper-Nickel Resistance Alloys are custom rolled from stock...
 ... from less than .003" Thin to .094" Thick by Coil
 We can precision slit to your custom widths, as narrow as .050" (dependent on gauge and

 Minimum Orders:  Cold rolled strip from stock (up to 12.5" wide) requires a 25 lb minimum,
 and typically ships in 2-4 weeks.  Wider widths (up to 14" wide) require larger minimums and
 longer lead times.


more STRIP / FOIL / COIL:  Copper Nickel | Nickel | Stainless | Titanium

Strip / Coil supplier since 1999

 About Us

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 Constantan 45 is a registered trademark of CRS Holding, a subsidiary of Carpenter Technologies.
 Trade names are provided as a reference to industry standards.
 In some cases, multiple manufacturers hold trademarks on variations of the name, although they satisfy the same UNS standards.
Properties provided are not to be construed as specifications.
Availability is subject to change without notice. is owned and operated by John Vizard.  Copyright 2003-2018.