High temperature twisted tungsten wire good quality wolfram wires  for vacuum coating

Tungsten wires

1.Brand: w3101 W3102 W34 W1 W2

Content: W3 W34 W2 W≥99.929%

Character and usage

W3101: twist wire; it has good character in high temperature and endurance. Second crystal temperature≥1950℃, mainly used as filament wire in halogen filament, high temperature color filament, twist filament, white filament and fluorescence filament.

W3102: it has good character in roll and high temperature. Second crystal temperature≥1850℃, mainly used in white filament wire, vacuum tube heating wire.

W34: used in twist wire

W1 W2: used as frame of vacuum tube, heating elements

 Tungsten wire introduction

1, Diameter: 0.01mm~2.00mm

2, Grade: W1, W2, WAL1, WAL2,

3, Density: Purity 99.92%, 99.98% can also be achieved if special demanded.

4, Quality standard: GB/T  4181-1997(tungsten wire)ASTM B760-86

5, Specific electrical: 0.055 Ohm x mm2/m resistance at 20 °C.

6, Modulus of elasticity: 410 kN/mm2, at 20 °C.