High purity tungsten wire - metal tungsten price - Xinkang scientific research material manufacturer

Tungsten wire / W wire $ 80.00

High purity Tungsten wire (W) 3N5, The price is for reference only, please contact customer service for quotation.

element ： W

purity ： 3N-5N

shape ： Wire

weight ： 1Kg

Package ： Vacuum packaging, carton, wooden box

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Product details

Market reference price: $80/ Kg, The price is for reference only, please contact customer service for quotation.

Product Name: Tungsten wire
CAS number: 7440-33-7
EINECS number: 231-143-9
Melting point: 3410 ℃
Boiling point: 5660 ℃
Water solubility: insoluble
Density: 19.35 g / cm ³
Appearance; Silvery white shiny metal

Physical and chemical properties:

tungsten is a rare high melting point metal, which can improve the high-temperature hardness of steel. Tungsten is a silvery white metal, which looks like steel. Tungsten has high melting point, low vapor pressure and low evaporation rate. The chemical properties of tungsten are very stable. It does not react with air and water at room temperature. When it is not heated, any concentration of hydrochloric acid, sulfuric acid, nitric acid, hydrofluoric acid and aqua regia do not work on tungsten. When the temperature rises to 80 ° - 100 ° C, among the above acids, except hydrofluoric acid, other acids have a weak effect on tungsten. At room temperature, tungsten can be rapidly dissolved in the mixed acid of hydrofluoric acid and concentrated nitric acid, but it does not work in alkali solution. In the presence of air, molten alkali can oxidize tungsten into tungstate. In the presence of oxidants (NaNO3, NaNO2, KClO3, PbO2), the reaction to form tungstate is more violent. It can combine with oxygen, fluorine, chlorine, bromine, iodine, carbon, nitrogen and sulfur at high temperature, but not with hydrogenation

Use:

basic use: about 50% of the tungsten ores mined in the world are used for smelting high-quality steel, about 35% for producing hard steel, about 10% for making tungsten wire and about 5% for other purposes. Tungsten can be used to manufacture guns, nozzles of rocket propellers, armor piercing bullets, metal cutting blades, drill bits, superhard molds, wire drawing molds, etc. tungsten is widely used in mining, metallurgy, machinery, construction, transportation, electronics, chemical industry, light industry, textile, military industry, aerospace, science and technology and various industrial fields.

Tungsten / W / 3N5

Elements	Actual	Units	Elements	Actual	Units	Elements	Actual	Units
Li		ppm	Zn		ppm	Pb	<10	ppm
B		ppm	Ga		ppm	Bi	<10	ppm
F		ppm	Ge		ppm	Y		ppm
Na		ppm	As		ppm	Th		ppm
Mg	<30	ppm	Se		ppm	Er		wt%
Al	<20	ppm	Zr		ppm	Ru		ppm
Si	<50	ppm	Nb		ppm	Rh		ppm
P		ppm	Mo	<100	ppm	Os		ppm
Cl		ppm	Pd		ppm	Cd		ppm
K		ppm	Ag		ppm	In		ppm
Ca	<50	ppm	Sn	<10	ppm
Ti		ppm	Sb	<10	ppm
V		wt%	Ba		ppm
Cr		ppm	Hf		ppm
Mn		ppm	Ta		ppm	C	80	ppm
Fe	<50	ppm	W	Matrix	wt%	S		ppm
Co		ppm	Pt		ppm	O	50	ppm
Ni	<30	ppm	Au		ppm	N	30	ppm
Cu		ppm	Hg		ppm	H		ppm

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