China Cheap Copper Nickel Wire Alloy 320 for Precision and Vitreous Resistors Manufacture and Factory

Cheap Copper Nickel Wire Alloy 320 for Precision and Vitreous Resistors

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Alloy exhibits low resistivity and high temperature coefficient of resistance. Typical applications include voltage regulators, timing devices, temperature sensitive resistors, temperature compensating devices, motor control, heating wires and cables, precision and vitreous resistors, potentiometers, and low temperature heating applications.

Grade		CuNi44	CuNi23	CuNi10	CuNi6	CuNi2	CuNi1	CuNi8	CuNi14	CuNi19	CuNi30	CuNi34	CuMn3
Cuprothal		49	30	15	10	5
Isabellehutte		ISOTAN	Alloy 180	Alloy 90	Alloy 60	Alloy 30							ISA 13
Nominal composition%	Ni	44	23	10	6	2	1	8	14	19	30	34	–
	Cu	Bal	Bal	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.	Bal	Bal	Bal	Bal
	Mn	1	0.5	0.3	–	–	–	–	0.5	0.5	1.0	1.0	3.0
Max operating temp(uΩ/m at 20°C)		0.49	0.3	0.15	0.10	0.05	0.03	0.12	0.20	0.25	0.35	0.4	0.12
Resisivity (Ω/cmf at 68°F)		295	180	90	60	30	15	72	120	150	210	240	72
Max operating temp(°C)		400	300	250	200	200	200	250	300	300	350	350	200
Density(g/cm³)		8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9
TCR(×10-6/°C)		<-6	<16	<50	<60	<120	<100	<57	<30	<25	<10	<0	<38
Tensile Strength(Mpa )		≥420	≥350	≥290	≥250	≥220	≥210	≥270	≥310	≥340	≥400	≥400	≥290
Elongation(%)		≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25
EMF vs Cu uV/°C(0~100°C)		-43	-34	-25	-12	-12	-8	22	-28	-32	-37	-39	-
Melting Point (°C)		1280	1150	1100	1095	1090	1085	1097	1115	1135	1170	1180	1050
Magnetic Property		non	non	non	non	non	non	non	non	non	non	non	non