Manganin Wire (Cu-Mn-Ni)

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Manganin wire is made from a copper-manganse-nickel resistance alloy. These wires are mainly used for the production of resistance elements for precision instruments and shunt resistors.

Manganin alloy is used for a variety of purposes because of its high resistivity, low temperature coefficient of resistance and durability over time.

Name	Type	Main chemical composition %
		Cu	Mn	Ni	Si
Manganin	6J12	Rest	11--13	2--3	-
F1 Manganin	6J8	Rest	8--10	-	1--2
F2 Manganin	6J13	Rest	11--13	2--5	-
Constantan	6J40	Rest	1--2	39--41	-
Name		Type		Volume resistivity,μΩ·m
Manganin		6J12		0.47±0.03
F1Manganin		6J8		0.35±0.05
F2Manganin		6J13		0.44±0.04
Constantan		6J40		0.48±0.03

Elongation Rate:

(mm)	(Lo=200mm),% Elongation rate( Lo=200mm),%
≤ 0.05	6
>0.05~0.10	8
>0.10~0.50	12
>0.50	15

Thermal EMF Rate for Copper:

Name	Type	℃ Temperature range	uV/C Average thermal EMF rate for copper
Manganin	6J12	0~100	1
F1 Manganin	6J8	0~100	2
F2 Manganin	6J13	0~100	2
Constantan	6J40	0~100	45
Note: Thermal EMF rate for copper is absolute value.