W and Mo parts in sapphire crystal growth furnace thermal field

Our company specialized in sapphire crystal growth furnace “thermal field” parts, continue to market the sapphire crystal growth furnace tungsten meshes for heating elements, long cage structure tungsten heater, the tungsten crucible, molybdenum crucible, heating element, tungsten tube, heat insulation screen, support and base, seed rod, crucible cover, etc. sapphire crystal growth furnace thermal field components. And we can provide customs with high-quality 30kg, 60kg, 90kg, 120kg full set pf sapphire crystal growth furnace tungsten, molybdenum parts of thermal field.

Tungsten heating elements

Purity: 99.95%; Density: 19.1g/cm3; temperature environment: <=2400°C

Copper base: Cu>= 99.95%; Density :> =8.8%; temperature environment: <=1000°C

Dimension: the bottom shape and the bending radius as per the design drawing.

Dia 3.0mm, heating elements width<=650mm, heating elements height<=1200mm

Dia 4.0mm, heating elements width<=600mm, heating elements height<=1150mm

Dia 5.0mm, heating elements width<=550mm, heating elements height<=1100mm

Dia 6.0mm, heating elements width<=550mm, heating elements height<=1050mm

Dia 7.0mm, heating elements width<=500mm, heating elements height<=1000mm

Dia 8.0mm, heating elements width<=500mm, heating elements height<=950mm

Dia 9.0mm, heating elements width<=450mm, heating elements height<=900mm

Tungsten net heating elements

Material grade: W1; Execution standard: GB3875-83

Product specifications: Dia0.3-Dia0.4

Tungsten wire mesh is composed of tungsten preparation for ultra high temperature vacuum annealing furnace.

Tungsten, molybdenum crucible

Surface: polish, sintering

Purity: 99.95%

Dimension: Dia30- 450mm (OD450mm max, ID430mm max) Height 30-800mm

Execution standard: ASTM B386, B387 and the GB standard.

Seed crystal clip or Seed crystal rod

Product specifications and the tolerance according to the customs’ design drawings.

Purity: Mo>=99.95%, W>=99.95%

Density: Mo>=10.2g/cm3, W>=19.2g/cm3

Temperature environment: <=2300°C

Thermal expansivity (0-1600°C): Mo:6*10-6, W:4.98*10-6

Yield strength: Mo (1600°C):50Mpa, W (2080°C):25Mpa

Perfect recrystalization temperature: Mo 1050°C,W 2050°C