Products from tungsten-containing alloys

Products from tungsten-containing alloys are widely used in many industries.

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Description

Specifications

Products from tungsten-containing alloys are widely used in many industries. The main application areas of tungsten alloys are conditioned by their key properties. Tungsten alloys provide high radiation protection due to its high density (tungsten alloys are at least 1,5 times heavier than lead).

This is the reason why tungsten alloys are duly considered as the best material to protect from gamma-radiation in comparison with traditional lead, steel, water and cast iron. Moreover, tungsten has unique combination of qualities and properties enabling to use it at extremely high temperatures. Therefore, products made of tungsten-containing alloys are widely used in many industries.

The following alloys are the most widely used: tungsten-nickel-iron, tungsten-copper, tungsten carbide. Copper, nickel and iron combined with tungsten enhance the plasticity and electric conductivity of the material, as well as its machinability.

Alternative ratio or tungsten carbide and cobalt is possible, when so requested by Customer.

The “NPO “GKMP” LLC ООО supplies pieces from hard tungsten-containing alloys: plates, couplings, shafts etc. per Customer’s drawings, as well as thermocouple rod ВР5/ВР20.

Properties:

High alloy density
High radiation resistance
High durability
High strength
Heat strength and heat resistance
Minimal corrosion sensitivity
Available cost

Application:

Parts for radioactivity logging devices;
Storage vessels for radioactive agents;
Protective shrouds;
Collimators;
Elements of non-destructive control hardware;
Radiation-measuring and radiation control equipment etc.

Tungsten-copper

Class	Composition (%), Cu	Composition (%), Impurities ≤	Composition (%), W	Density, g/cm ³ ≥	Hardness, НВ kgs/mm²	Specific resistance, µΩ.cm ≤	Flexural strength, MPa≥
W50/Cu50	50±2.0	0.5	base	11.85	115	3.2	-
W55/Cu45	45±2.0	0.5	base	12.30	125	3.5	-
W60/Cu40	40±2.0	0.5	base	12.75	140	3.7	-
W65/Cu35	35±2.0	0.5	base	13.30	155	3.9	-
W70/Cu30	30±2.0	0.5	base	13.80	175	4.1	790
W75/Cu25	25±2.0	0.5	base	14.50	195	4.5	885
W80/Cu20	25±2.0	0.5	base	15.15	220	5.0	980
W85/Cu15	15±2.0	0.5	base	15.90	240	5.0	1080
W90/Cu10	10±2.0	0.5	base	16.75	260	6.5	1160

Tungsten-nickel-iron

	Composition (%), Ni	Composition(%), Fe	Density, g/cm³≥
W90	7	3	16.85-17.25
W92.5	5.25	2.25	17.15-17.85

Tungsten carbide

Marking	Density, g/cm³	Hardness, HRA	Flexural strength, MPa
YG6X	14.8-15.1	≥91	≥1420
YG6	14.7-15.1	≥89.5	≥1520
YG8	14.6-14.9	≥89	≥1470
YG8.2	14.4-15.0	≥88	≥1450
YG8L	14.6-15.0	≥89	≥1450
YG15	13.9-14.2	≥86.5	≥2060
HK12	14.2-14.7	≥87.5	≥2100
KY10	14.1-14.5	≥87.5	≥2060
YG20	13.4-13.8	≥83.5	≥2480
YG20C	13.4-13.8	≥82	≥2480
YG20D	13.4-13.8	≥82	≥2300
YSN30	13.9-14.9	≥87	≥1900