Manganin
    • Manganin
Product Details:

Manganin is copper and manganese as the main component of the resistance alloy. Depending on the components to get a different performance, precision manganin and manganin shunt. Because of temperature coefficient of resistance is small, a small copper thermal emf, long-term stability, and therefore suitable for standard resistors, high-grade measuring instruments and shunt resistor. Manganese copper resistance temperature curve of parabola, temperature coefficient of resistance in the vicinity of room temperature is very small, but there is a greater temperature deviation, the resistance also vary widely, with the deviation from the temperature, so that the measuring instruments produced large error, so their optimal operating temperature is: Precision manganin 5 ~ 45 ℃, manganese, copper shunt 10 ~ 80 ℃.

Alloy
Name

Co
d
e

Main components

Resistivity
μOΩmiddot;m
(20℃)

Temp. Coff.
of Resistance alpha;×106/℃ (20~100℃)

Elongation (﹪)

Tensile strength (N/mm2)

Density (g/cm3)

Melting point(℃)

Use temperature(℃)

Cu

Mn

Ni

Precision  manganin

6J12

Remmainder

11-13

2-3

0.47±0.03

-10~+20

6~35

≥290

8.44

1050

5~45

Manganin
Shunt

6J13

remainder

11-13

2-5

0.44±0.04

0~+40

6~35

≥290

8.40

1050

10~80

 

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