A.L.M.T. Corp.

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Tungsten sheets/ plates

Tungsten plates manufactured using proprietary kow how

From thick to thin sheets, we manufacture tungsten material, a difficult-to-work material, using our rolling know-how.
Tungsten, which has the highest melting point among metals,  is used for high temperature furnace parts and electrodes.
We can also offer the world's No.1 grade high purity tungsten sheets / plates for sputtering targets takig advantage ofour oun integrated production.


Product selection guide

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Application Type Cutting
3N-W Base plates for sintering, Boat, Heater, Reflectors, heatspreaders, Weights, Spacer, Various kinds of jigs and tools Rolled products
4N-W Sputtering targets, Molds for hot pressing Rolled products
5N-W Sputtering targets Rolled products

Types of tungsten sheets / plates

Material Purity
3N-W (General material) 99.95%min.
4N-W (High-purity material) 99.99%min.
5N-W (Ultrahigh-purity material) 99.999%min.
Type Density (g/cm3) Relative density (%)
Rolled products 18.6 to 19.3 96.3 to 100.0

Standard dimensions of tungsten sheets / plates  (Unit : mm)

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Thickness General
tolerance ±10%
Finished surface Dimensions
Ground/polished Honed Max.width Max.length
1.0 to 2.9 300 500
3.0 to 4.9 500 2000
5.0 to 10.0 500 1000

* Please contact us for sheets / plates thicker than 10mm.