CuNi8 Copper-based low resistance heating alloy wire

Copper-based heating resistance alloy wire has lower electrical resistance, good processability, excellent welding and anti-corrosion properties.It is used to make the key components in the thermal overload relay, low resistance thermal circuit breaker, and the electrical appliances. It is also an important material for electrical heating cable.

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Model: CuNi8
Brand: REOU

Product Description

Copper-based low resistance heating alloy wire Copper-based heating resistance alloy wire has lower electrical resistance, good mechanical, excellent welding and anti-corrosion properties. It is used to make the key components in the thermal overload relay, low resistance thermal circuit breaker, and the electrical appliances. It is also an important material for electrical heating cable.
 
 Copper nickel alloy series: CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23,CuNi30, CuNi34, CuNi44. Also named NC003, NC005, NC010, NC012, NC015, NC020, NC025, NC030, NC035, NC040, NC050.

Properties

TYPE		CuNi1 NC003	CuNi2 NC005	CuNi4NC007	CuNi6 NC010	CuNi8 NC012	CuNi10 NC015	CuNi14 NC020	CuNi44 NC050
composition	Cu	Rest	Rest	Rest	Rest	Rest	Rest	Rest	Rest
	Mn	-	-	-	-	-
	Ni	1	2	4	6	8	10	14.2	44
M a x . c o n t i n u o u s operating temperature℃		200	200	200	220	250	250	300	400
Nominal value μO m(20℃ )		0.03 ±10%	0.05 ±10%	0.07 ±10%	0.10 ±10%	0.12 ±10%	0.15 ±10%	0.20 ±10%	0.49 ±10%
Resistancetemperature coefficient×10-5/℃ （20-600℃）		＜ 100	＜ 120	＜ 50	＜ 60	＜ 57	＜ 50	＜ 38	＜ -6
Thermovoltage to copper at 20℃ in μV/K		-8	-12	-12	-18	-22	-25	-28	-43
M e a n c o e f f i c i e n t o f l i n e a r t h e r m a l expansion, in 10-6/K, at a temperature between 20 ℃ and 400 ℃		17.5	17.5	17.5	17.5	17.5	17.5	17.5	15.0
Thermal conductance at 20℃ W/mK		145	130	130	92	75	59	48	23
S p e c i f i c h e a t capacity at 20 ℃ in 20℃ J/gK		0.38	0.38	0.38	0.38	0.38	0.38	0.38	0.41
Density at 20 ℃ （g/cm3）		8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9
Melting temperature in ℃		1085	1090	1090	1095	1097	110	1115	1280
M i n . t e n s i l e strength in N/mm2		210	220	220	250	270	290	310	420
Elongation		25	25	25	25	25	25	25	25

Copper-based low resistance heating alloy wire

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CuNi8 Copper-based low resistance heating alloy wire

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