METAL WIRE M3 ALLOY (Cu99Ni1)

METAL WIRE M3 ALLOY (Cu99Ni1)

Analog: CuNi1, Alloy3, HAI3, NC3

 

The M3 alloy is a copper-nickel alloy (Cu99Ni1 alloy) with low resistivity and use at temperatures up to 200 ° C.

Alloy M3 has a low resistance (heating) alloy. The material is widely used in electrical appliances. It is used in circuit breakers, heating cables, thermal overload relays and other low voltage electrical appliances.

 

Chemical composition %

 

Ni

1

Mn

-

Cu

Bal.

 

 

 

Mechanical properties (1.0mm)

 

Yield strength

Tensile strength

Elongation

MPa

MPa

%

90

210

25

 

physical properties

Density (g / cm3)  8.9

Resistivity at 20 ℃ (µOhm * m)  0.03

Temperature coefficient of resistivity (20 ℃ ~ 600) X10-5 /  <100

Heat conductivity coefficient 20 ℃ (WmK)                                  145
EMF with Copper (μV / ℃) (0 ~ 100)                                                             -8

 

Thermal expansion coefficient

 

Temperature Thermal expansionx10-6 / K

 

20 --400                                                               17.5

 

 

Specific heat

 

Temperature      20

J / gk                   0.380

Melting point (℃)  1085

Maximum continuous working air temperature (℃) 200

Magnetic property  nonmagnetic

Corrosion Resistance Characteristics

 

Alloy

 

Service in the atmosphere with 20 ℃

Service at max. 200 ℃

Air and oxygen contain

of gases

Gases with nitrogen

Gases with gray oxidability

sulfur-containing gases

reduced

Cementation

M3 alloy

good

poorly

poorly

poorly

poorly

good

 

 

 

 

Types of goods

 

Names

Types

dimensions

 

Alloy M3W

Wire

D = 0.03mm ~ 8mm

 

Alloy M3R

Strip

W = 0.4 ~ 40mm

W = 0.4 ~ 40mm

Alloy M3S

Tape

W = 8 ~ 200mm

W = 8 ~ 200mm

Alloy M3F

Foil

W = 6 ~ 120mm

W = 6 ~ 120mm

Alloy M3B

Bar

D = 8 ~ 100mm

D = 8 ~ 100mm