METAL WIRE ALLOY X30H70 (NiCr)

METAL WIRE ALLOY X30H70 (NiCr)

METAL WIRE ALLOY X30H70 (NiCr)

 

Analogue: Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70 / 30, Resistohm 70, Balco, Tophet 30, Cronix 70, Alloy 710, Stablohm 710

 

 

X30Н70 (М118 alloy) is a nickel-chromium alloy (NiCr alloy), which is characterized by high specific resistance, good oxidation resistance, very good shape stability, good ductility and excellent weldability. Operating temperature up to 1250 ° C.

 

Typical applications: М118 is used in electric heating elements, in industrial furnaces, etc.

 

 

CHEMICAL COMPOSITION %

 

C

P

S

Mn

 

Si

 

Cr

 

Ni

 

Al

 

Fe

 

Other

Max

0.05

0.02

0.015

0.60

0.75 ~ 1.60

28.0 ~ 31.0

Bal.

Max 0.50

Max 1.0

-

 

 

MECHANICAL PROPERTIES(1.0 mm

 

Yield strength

Temporary resistance

Elongation

MPa

MPa

%

430

820

30

 

PHYSICAL PROPERTIES

 

Density (g / cm3)

 

8.2

 

Resistivity at 20 ℃ (µOhm * m)

 

1.18

 

Heat conductivity coefficient at 20 ℃ (W / (m * K)) 14

 

TEMPERATURE EXPANSION RATIO

 

Thermal Expansion Coefficient x10-6 / ℃

20 - 1000 -17

 

SPECIFIC HEAT

Temperature 20 ℃

kJ / (kg * K) 0.46

Melting point (℃) 1380

Maximum continuous working air temperature (℃) 1250

 

 

 

Magnetic properties non-magnetic

 

TEMPERATURE ELECTRIC RESISTANCE COEFFICIENT

 

20 ℃

100 ℃

200 ℃

300 ℃

400 ℃

500 ℃

600 ℃

1

1.007

1.016

1.028

1.038

1.044

1.036

700 ℃

800 ℃

900 ℃

1000 ℃

1100 ℃

1200 ℃

1300 ℃

1.03

1.028

1.029

1.033

1.037

1.043

-

 

 

TYPES OF GOODS

 

Name

Product type

dimensions

 

M118W

Wire

D = 0.03mm ~ 8mm

 

M118R

Strip

W = 0.4 ~ 40mm

W = 0.4 ~ 40mm

M118S

Tape

W = 8 ~ 200mm

W = 8 ~ 200mm

M118F

Foil

W = 6 ~ 120mm

W = 6 ~ 120mm

M118B

Bar

D = 8 ~ 100mm

D = 8 ~ 100mm