What is the composition of Constantan (CuNi44) Copper-Nickel Alloy?

Published composition ranges are not available for Constantan (CuNi44) Copper-Nickel Alloy in this record. PARTIAL - parsed from a truncated 500-char source excerpt; the element set is INCOMPLETE and must NOT be used for validation, specification or purchasing

What standards cover Constantan (CuNi44) Copper-Nickel Alloy?

The governing standards for Constantan (CuNi44) Copper-Nickel Alloy include ASTM E230, IEC 60584. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is Constantan (CuNi44) Copper-Nickel Alloy used for?

This alloy is used in applications demanding the property set described in its family: special.

How do I verify a mill certificate for Constantan (CuNi44) Copper-Nickel Alloy?

Compare each element value on the certificate against the min/max ranges in the spec table above. Paste the values into the SpecBase validator to get an automated pass/fail check.

What UNS number is assigned to Constantan (CuNi44) Copper-Nickel Alloy?

No UNS number is assigned; identify by the AMS or ASTM grade on the certificate.

Constantan (CuNi44) Copper-Nickel Alloy

special

Validate composition

Quick answer

Constantan (CuNi44) Copper-Nickel Alloy is a special specified by ASTM E230, IEC 60584. Typical composition: .

Constantan is a copper-nickel alloy characterized by its high electrical resistivity and low temperature coefficient of resistance. These properties make it ideal for applications requiring stable electrical performance over a range of temperatures.

Applicable Standards

ASTM E230
IEC 60584

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