Tungsten powder

Tungsten powder

Tungsten powder: the annual production capacity is 4000 tons. It is produced according to the national standard FW-1. The production particle size range is 0.6-45 microns. It can also be produced according to customer requirements.

key word:

Tungsten concentrate | tungsten oxide | ammonium paratungstate | tungsten powder

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Tungsten powder

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Product Description

Tungsten powder: the annual production capacity is 4000 tons. It is produced according to the national standard FW-1. The production particle size range is 0.6-45 microns. It can also be produced according to customer requirements.
The domestic market share of this product is 9%, ranking 4th in China
It is a gray black metal (BCC crystal) with metallic luster. The melting point is 3400 ℃. Boiling point 5555 ℃. The hardness of tungsten is the hardest among metals. The hardness of sintered tungsten bars is 200~250, and the hardness of tungsten bars passing through the rotary hammer is 350~400. Mixed acid soluble in nitric acid and hydrofluoric acid. Melt with the mixture of sodium hydroxide and sodium carbonate. Slightly soluble in nitric acid, sulfuric acid and aqua regia; Insoluble in water, hydrofluoric acid, potassium hydroxide. There are two variants of tungsten, a and B. At standard temperature and normal pressure, type a is a stable body centered cubic structure. Type B tungsten can only appear in the presence of oxygen. It is stable below 630 ℃, and converts to tungsten a above 630 ℃, and this process is irreversible.

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