Tungsten heavy alloy cubes have the characteristics of small size, high density, high-temperature resistance, high impact resistance and crack resistance, and good corrosion resistance. Tungsten heavy alloys usually consist of W-Ni- Fe or W-Ni- Cu or W-Ni-Cu-Fe; tungsten heavy alloys are created with the addition of Co, Mo, Cr, etc. Tungsten heavy alloys generally contain some combination of Ni, Fe, Co, and Cu. The most common of these alloys are W-Ni-Fe alloys, which contain 70 to 98% tungsten with a Ni: Fe ratio between 6:4 and 9:1.

For example, Tungsten Heavy Alloy Cube has the characteristics of high strength, good wear resistance, strong radiation adsorption capacity, not easy to deform, and certain ferromagnetic properties, while W-Ni-Cu alloy blocks have non-magnetic, anti-oxidation, low thermal expansion coefficient, wear resistance, high temperature resistance, good electrical and thermal conductivity, processability, and solderability. Compared with the two alloys, the latter is more suitable for applications that are sensitive to magnetic fields. Recently, there has been an increased demand for sheet products made from these alloys. Techniques have been developed to produce sheet products by rolling pressed and sintered slabs.

Tungsten Cube Hardness Rockwell:

	HD 17	HD 17B	HD 17D	HD 17.5	HD17.7	HD 18	HD 18D	HD 18.5
	90%W 6% Ni 4% Cu	90% W 6% Ni 4%Cu/Fe	90% W 7% Ni 3% Fe	92.5% W 5.25%Ni 2.25%Fe	93W Balance Ni Fe Mo	95% W 3.5%Ni 1.5%Cu	95% W 3.5% Ni 1.5% Fe	97% W 2.1% Ni 9% Fe
Density Gms/cc	17		17	17.5	17.7	18	18	18.5
Hardness Rockwell	24		25	26	30	27	27	28
Ultimate Tensile Strength (PSI)	110,000		125,000	114,000	130,000	115,000	125,000	128,000
Yield Strength .2% offset (PSI)	90,000		88,000	90,000	90,000	85,000	90,000	85,000
Elongation (% in 1")	8		14	12	10	7	12	10
Coefficient of Thermal Expansion X 10^-6/°C (20-400°C)	5.4		4.8	4.6	4.5	4.4	4.6	4.5
Thermal Conductivity (CGS Units)	.23		.18	.20	27	.33	.26	.30
Electrical Conductivity (% IACS)	14		10	13	14	16	13	17
Magnetic Properties	HD 17 = NIL HD 17BB = Slightly Magnetic		Slightly Magnetic	Slightly Magnetic	Slightly Magnetic	NIL	Slightly Magnetic	Slightly Magnetic

Tungsten heavy alloy cubes application:

Tungsten alloy cubes are widely used in aviation, military, metallurgy, machinery, electronic communications, transportation, building materials, and medical fields, such as rocket engine throat gaskets, armor-piercing projectile parts, casting mold materials, glass furnace electrodes, mobile oscillators, balancing materials, and radiation barriers in CT machines. Especially in the field of precision instruments, tungsten weight cubes are very popular, such as clock cubes, self-winding watches, anti-vibration tool collectors, and flywheel weights, etc. They can also be used as paperweights, souvenirs, fish weights, and sports equipment weights, etc.

Tungsten Alloy Cubes

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