tungsten machine parts use as electrode

tungsten electrode parts materials: tungsten> 99.95% W Specification: according to customer's drawing

Tungsten Property
Melting point:	3420  oC±20  oC
Boiling point:	5550 oC
Coefficient of linear thermal expansion at 20 °C	4.2 · 10-6 [m/(m·K)]
Thermal conductivity at 20 °C	164 [W/(m·K)]
Specific heat at 20 °C	0.13 [J/(g·K)]
Electrical conductivity at 20 °C	18 · 106 [1/Ω·m)]
Specific electrical resistance at 20 °C	: 0.050 [(Ω·mm2)/m]

Molybdenum Property
Melting point:	2620  oC±20  oC
Boiling point:	4679 oC
Coefficient of linear thermal expansion at 20 °C	5.2 · 10-6 [m/(m·K)]
Thermal conductivity at 20 °C	142 [W/(m·K)]
Specific heat at 20 °C	0.254 [J/(g·K)]
Electrical conductivity at 20 °C	17.9 · 106 [1/Ω·m)]
Specific electrical resistance at 20 °C	: 0.056 [(Ω·mm2)/m]

Screw, Nut, Bolt Elements

Chemical composition: tungsten >99.95%

molybdenum >99.95% , molybdenum lanthanum alloy , TZM alloy, Titanium, Tantalum

Specification: hexagon, round head and special design

Working temperature: 1500 ~ 2600 °C

Produce Method: Powder Metallurgy

Main applications

sapphire single crystal growth furnace, metallurgical industry furnace, vacuum furnace, high temperature furnace, silicon industry furnace, quartz glass, metal extracting, , machinery processing, glass and ceramic industries, etc.

SMT’s advantage in Screw components

1.high purity, Smooth finish , difficulty design, special shape

2.Long history and rich experience of supply W & Mo &Ta & Ti screw

3.Competitive price & professional service.

tungsten machine parts use as electrode