METAL WIRE M20 ALLOY (Cu86Ni14)

METAL WIRE M20 ALLOY (Cu86Ni14)

METAL WIRE M20 ALLOY (Cu86Ni14)

Analogue: CuNi14, NC20

The М20 alloy is a copper-nickel alloy (Cu86Ni14 alloy) with low resistivity in use at temperatures up to 300 ° С.

Alloy M20 - is a low-voltage-heating alloy. This is one of the main materials of low-voltage electrical products. It is widely used in low-voltage circuit breakers, electrical blankets, thermal overload relays and other low-voltage electrical products.

Chemical composition %

Ni

14

Mn

0.3

Cu

Stop

Mechanical properties (1.0mm)

Yield strength

Tensile strength

Elongation

MPa

MPa

%

145

310

25

physical properties

Density (g / cm3)

8.9

Electrical resistance at 20 ° C, Ohm * m

200

Temperature coefficient of resistivity

<38

(20 ℃ ~ 600) X10-5/ ℃

Heat conductivity coefficient 20 ℃ (WmK)

48

EMF with Copper (μV / ℃) (0 ~ 100)

.

Thermal expansion coefficient

Temperature

Thermal Expansion * 10-6/K

20 - 400 ℃

17.5

Specific heat

Temperature

20 ℃

J / gk

0.380

Melting point (℃)

1115

Maximum continuous working air temperature (℃)

300

Magnetic property

nonmagnetic

Types of goods

Name

Product type

dimensions

M20W

Wire

D = 0.03mm ~ 8mm

M20R

Strip

W = 0.4 ~ 40mm

W = 0.4 ~ 40mm

M20S

Tape

W = 8 ~ 200mm

W = 8 ~ 200mm

M20F

Foil

W = 6 ~ 120mm

W = 6 ~ 120mm

M20B

Bar

D = 8 ~ 100mm

D = 8 ~ 100mm