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Karma Ni-Cr-Al-Fe alloy wire

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PRECISION RESISTANCE WIRE

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Product description

Parameters

With nickel, chromium, aluminum, iron as the main ingredients. Resistivity than manganin higher about three times, and a low temperature coefficient of resistance and low to the copper heat potential, good resistance to long-term stability and antioxidant properties. The use of a wide temperature manganin. Suitable for making precision micro resistance element and strain gauge.

Chemical composition

Name	Code	Main Composition%				Standard
Name	Code	Cr	Al	Fe	Ni	Standard
Karma	6J22	19~21	2.5~3.2	2.0~3.0	bal.	JB/T 5328

Note: Diamete Sizes: 0.02-1.00mm

Properties

Name	Code	Resistivity（μΩ.m）	Temp.Coeffi. Of Resistance(℃)	(0~100℃) Thermal EMF vs. Copper	Max.working Temp.(℃)	Elongation(%)	Tensile Strength (N/mm2)	Standard
Karma	6J22	1.33±0.07	≤±20	≤2.5	≤300	＞7	≥780	JB/T 5328