Copper-based low resistance heating alloy wire

TYPE		CuNi1 NC003	CuNi2 NC005	CuNi6 NC010	CuNi8 NC012	CuMn3 MC012	CuNi10 NC015	CuNi14 NC020	CuNi19 NC025	CuNi23 NC030	CuN30 NC035	CuNi34 NC040	CuNi44 NC050
Composition (%)	Cu	Rest	Rest	Rest	Rest	Rest	Rest	Rest	Rest	Rest	Rest	Rest	Rest
	Mn	--	--	--	--	3	--	0.3	0.5	0.5	1.0	1.0	1.0
	Ni	1	2	6	8		10	14.2	19	23	30	34	44
Max.continuous operating temperature ℃		200	200	220	250	200	250	300	300	300	350	350	400
Nominal value μO·m（20℃）		0.03±10%	0.05±10%	0.1±10%	0.12±10%	0.12±10%	0.15±10%	0.2±5%	0.25±5%	0.3±5%	0.35±5%	0.4±5%	0.49±5%
Resistance-temperature coefficient×10ˉ6/℃ （20-600℃）		<100	<120	<60	<57	<38	<50	<38	<25	<16	<10	-0	<-6
Thermovoltage to copper at 20℃in μV/K		-8	-12	-18	-22	1	-25	-28	-32	-34	-37	-39	-43
Mean coefficient of linear thermal expansion, in 10ˉ6/k, at a temperature between20℃ and 400℃		17.5	17.5	17.5	17.5	18	17.5	17.5	17.5	17.5	17.0	16.0	15.0
Thermal conductance at 20℃ W/mK		145	130	92	75	84	59	48	38	33	27	25	23
Specific heat capacity at 20℃ in 20℃ J/gK		0.38	0.38	0.38	0.38	0.39	0.38	0.38	0.38	0.38	0.39	0.40	0.41
Density at 20℃(g/cm3)		8.9	8.9	8.9	8.9	8.8	8.9	8.9	8.9	8.9	8.9	8.9	8.9
Melting temperature in℃		1085	1090	1095	1097	1050	1100	1115	1135	1150	1170	1180	1280
Min. tensile strength in N/mm⊃2;		210	220	250	270	290	290	310	340	350	400	400	420
Elongation%		25	25	25	25	25	25	25	25	25	25	25	25

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