Nickel-chrome & Nickel-chrome-Iron alloy wire

Nickel chromium and nickel chromium iron alloy is the most widely used high resistance alloys for electrical heating, the alloy has higher resistivity, good oxidation resistance and wear resistance, good mechanical properties and welding performance, under high temperature and high strength. The alloy is suitable for metallurgy, chemical industry, machinery, glass, ceramics and household electrical appliances and other industrial sectors, such as the production of heating elements, various types of motor voltage regulator and brake resistor.

Category:

Nickel Chromium Wire

Key word:

Thermocouple Wire

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Product Details

Chemical composition(Standard: GB/T1234-1995)

Name	Code	Less than				Si	Cr	Ni	AL	Fe
Name	Code	C	P	S	Mn	Si	Cr	Ni	AL	Fe
Nickel-Chrome	Cr20 Ni80 （6J20）	0.08	0.02	0.015	0.60	0.75～1.60	20.0～23.0	Rest	≤0.50	≤1.0
Nickel-Chrome-Iron	Cr15 Ni60	0.08	0.02	0.015	0.60	0.75～1.60	15.0～18.0	55.0～61.0	≤0.50	Rest
Nickel-Chrome-Iron	Cr20 Ni30	0.08	0.02	0.015	1.00	1.00～2.00	18.0～21.0	30.0～34.0	-	Rest

Properties

Name	Code	Resistivity	Temp.Coeffi. Of Resistance（μΩ.m）	Melting point ℃	Linear expansion coefficient	Max. Working Temp.℃
Name	Code	Resistivity	Temp.Coeffi. Of Resistance（μΩ.m）	Melting point ℃	Linear expansion coefficient	Long-term	Short-term
Nickel-Chrome	Cr20 Ni80 （6J20）	1.09±0.05	85	1400	14	≤1000	1100
Nickel-Chrome-Iron	Cr15 Ni60	1.10±0.05	140	1390	17	≤950	1000
Nickel-Chrome-Iron	Cr20 Ni30	1.05±0.05	280	1390	19	≤950	1000