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Tungsten Sheet

Tungsten Sheet Tungsten Sheet Tungsten Sheet

Tungsten sheet introduction

1, Grade: W1, W2, W3, W4
2, Width*Length: (2.0-500.0mm)*(2.0-500.0mm)
3, Thickness: 0.2mm-15.0mm
4, Density: Purity 99.92%, 99.98% can also be achieved if special demanded.
5, Surface: Sintering surface, Forged surface, Ground surface

Tungsten sheet and plates are produced from billets by special cold and hot rolling technology. Plates can be used to make: electrodes, heat elements, heat shield, Boats for electronics, lightning, and electro vacuum industries.

Specification of tungsten sheets

Thickness Thickness tolerance Width tolerance Length tolerance
Grade I Grade II
0.10-0.20 ±0.02 ±0.03 ±3 ±3
>0.20-0.30 ±0.03 ±0.04 ±3 ±3
>0.30-0.40 ±0.04 ±0.05 ±3 ±3
>0.40-0.60 ±0.05 ±0.07 ±4 ±4
>0.60-0.80 ±0.07 ±0.08 ±4 ±4
>0.80-1.0 ±0.08 ±0.12 ±4 ±4
>1.0-2.0 ±0.12 ±0.20 ±5 ±5
>2.0-3.0 ±0.20 ±0.30 ±5 ±5
>3.0-4.0 ±0.30 ±0.40 ±5 ±5
>4.0-6.0 ±0.40 ±0.50 ±5 ±5
 
Type Process Delivery condition Size(mm)
Thickness Width Length
W1
W2
W3
W4
P/M Cold rolled (Y)Stress relief annealing (m) 0.10-0.20 30-250 50-500
>0.20-0.4 50-250 50-500
Hot rolled (R)Stress relief annealing (m) >0.40-4.0 50-200 50-200
>4.0-6.0 50-200 50-200
Application

Be used in electronics, illumination, vacuum plating, electron-vacuum, shield, high temperature furnace industry and so on.

Production process of tungsten sheet

Materials---hot rolling---annealing---cold rolling---leveling---annealing---machining---tungsten sheet

Production equipments

four-high cold mill, vacuum annealing furnace, W43G series straightener, hydraulic plate shears, water jet, wire cutting machine, flat-stone mill

Applications of Tungsten Sheet

Since the melting point of tungsten has reached 3380oC, tungsten sheet is widely used in reflection shield, cover plate applied in the sapphire growth furnace, reflection shield, heating tape, connecting pieces applied in vacuum furnace, sputtering target applied in plasma coating film, and high temperature resistance boat.

Quality standard

GB/T 3875-2006 (tungsten plate)

 

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