The term ‘refractory metal’ is used to describe a group of metal elements that have exceptionally high melting points and are resistant to wear, corrosion, and deformation.
Industrial uses of the term refractory metal most often refer to five commonly used elements:
Molybdenum (Mo)
Niobium (Nb)
Rhenium (Re)
Tantalum (Ta)
Tungsten (W)
The identifying feature of refractory metals is their resistance to heat. The five industrial refractory metals all have melting points in excess of 3632°F (2000°C).
Production Process of Tungsten Nickel Iron Alloy Tungsten-nickel-iron alloy is an alloy based on tungsten (about 90 to 98%) and added with nickel, iron, copper, or other components, and its specific gravity is generally 17.0 to 18.5. It is characterized by high sintering density, good strength, a certain degree of ferromagnetism, good plasticity and machinability, good […]
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Preparation of Tungsten Alloy by Arc Melting Traditional methods for preparing tungsten alloys, such as tungsten-titanium alloy and tungsten-zirconium alloy, mainly include non-consumable arc melting and consumable arc melting. Both of these methods use an electric arc as a heat source to melt tungsten, titanium, and zirconium to form alloys. In these two methods, tungsten as raw […]
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High Specific Gravity Tungsten Alloy for Tennis Racket Weight Block Compared with lead, high specific gravity tungsten alloy is more suitable as a weight block for a new generation of tennis rackets. This is not only because it is non-toxic, healthy, and has high relative density, but also because it has better corrosion resistance and oxidation […]
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Properties and Uses of Tungsten Flux Tungsten flux is a kind of fine particle processed by metal tungsten. Its purity is very high, which can reach more than 99.95%. Because of its unique physical and chemical properties, it is widely used in many fields. In this article, we will take a closer look at the properties and […]
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Tungsten Needle The tungsten needle is a typical tungsten product. It has a silvery-white appearance, a slender structure, a length of 20mm-150mm, and a diameter of 0.5mm-10mm. Generally, tungsten needles of different sizes can be selected according to actual use. Properties of Tungsten Needle Since tungsten needles are produced with pure tungsten or tungsten alloys as raw materials, […]
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Tungsten Alloy Fishing Sinker Tungsten alloy fishing sinker, as its name implies, is a fishing gear that uses tungsten-based alloy as the main raw material. Because this kind of fishing sinker has the physical and chemical properties of tungsten alloy with high specific gravity, it is popular with many modern fishermen. Properties of Tungsten Alloy Fishing […]
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Properties and Uses of Tungsten Diselenide (WSe2) As a typical compound of tungsten, tungsten diselenide (WSe2) has excellent mechanical, electrical, optical, and magnetic properties due to its special crystal structure. It is widely used in aerospace, military and defense, medical equipment, and other fields. In this article, let’s take a closer look at the properties and uses […]
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Submicron tungsten powder Compared with ordinary tungsten powder, the particle size of submicron tungsten powder is smaller, about 200nm, and has higher chemical activity and a larger specific surface area. The oxygen content of the powder can be controlled below 1% after passivation. Preparation Method of Tungsten Powder The preparation method of tungsten powder includes […]
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Properties and Uses of Tungsten Alloy Balls Tungsten alloy is a kind of alloy based on tungsten (85% ~ 99%), and a small amount of Ni, Cu, Fe, Co, Mo, Cr, and other elements are added. Its density is as high as 16.5 ~ 18.75g/ cm³, commonly known as high specific gravity alloy. A tungsten alloy […]
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Tungsten Alloy for Bullets In order to avoid environmental pollution caused by lead bullets, people began to manufacture tungsten alloy bullets. This kind of bullet has less environmental pollution, but in terms of accuracy, lethality, and penetration, tungsten alloy bullets are much better than lead bullets. In this article, let’s take a deeper look at […]
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