Molybdenum Ring&Disc

Chemical requirements

Element

Ni

Mg

Fe

Pb

Al

Bi

Si

Cd

Ca

P

Concentration(%)

0.003

0.002

0.005

0.0001

0.002

0.0001

0.002

0.0001

0.002

0.001

Element

C

O

N

Sb

Sn

Mo

 

 

 

Concentration(%)

0.01

0.003

0.003

0.0005

0.0001

balance

 

 

 

 

Parameters

Material: pure molybdenum 99.95%Min

Density:  ≥10.2g/cc
Melting point: 2610ºC
We can manufacture according to customer required

 

Excellent conductivity of electricity

Resistance of high temperature

High melting point, high oxidation and erosion resistance.

 

Atomic number 42
CAS number 7439-98-7
Atomic mass 95.94 [g/mol]
Melting point 2620 °C
Boiling point 4639 °C
Density at 20 °C 10.22 [g/cm³]
Crystal structure Body-centered cubic
Coefficient of linear thermal expansion at 20 °C 5.2 × 10-6 [m/(mK)]
Thermal conductivity at 20 °C 142 [W/(mK)]
Specific heat at 20 °C 0.25 [J/(gK)]
Electrical conductivity at 20 °C 17.9 × 106 [S/m]
Specific electrical resistance at 20 °C 0.056 [(Ωmm2)/m]

Quality&Inspection

Applications

Molybdenum rings are widely used as contact materials in silicon controlled rectifier diodes, transistors and thyristors mounting material for power semiconductor devices and heat sink bases.

Send Message

    Home Tel Mail Inquiry