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Tensile strength of Resistance wires
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Nonferrous topics such as copper and aluminum, annealing, etc. go here.
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TOPIC: Tensile strength of Resistance wires

Tensile strength of Resistance wires 2 years, 3 months ago #1667

What should be the ideal Tensile strength for various types of Resistance wires ? ( Copper - Nickel alloys ) and How do I check it accurately?


AGM - Development

Re: Tensile strength of Resistance wires 2 years, 3 months ago #1668

Hello Rajeev,

A good starting point would be the California Fine Wire Company web site which has eighteen detailed data sheets on resistance wire.

The standards for copper and nickel resistance wire are from ASTM ( ) and in particular:

ASTM B267-07 Standard Specification for Wire for Use In Wire-Wound Resistors
ASTM B344-01 Standard Specification for Drawn or Rolled Nickel-Chromium and Nickel-Chromium-Iron Alloys for Electrical Heating Elements

Tensile strength is measured with a universal (tensile) tester as supplied by companies such as:
Instron at
Tinius Olsen, Inc. at

Peter J. Stewart-Hay
Stewart-Hay Associates
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