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Tungsten News
【Know Tungsten】Tungsten Bucking Bars – The Optimal Tool for Riveting! 63

Riveting requires the use of a rivet gun and a tungsten alloy bucking bar. Typically, the bucking bar is designed in various shapes and sizes depending on the rivet gun being used. In some cases, dedicated tungsten bucking bars may be designed for specific riveting tasks. The reason for using high-density tungsten alloy to make bucking bars is because tungsten has high density, strength, and good machinability. Compared to traditional materials, a tungsten bucking bar of the same weight is…

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【Know Tungsten】Tungsten Probes for LED Chip Probing 51

LED chip probing and LED mapping sorting are necessary and important processes in the production of LED products. Probes are applied in the LED chip probing process, typically conducting tests and sorting based on key parameters such as electrical values, brightness, wavelength, ESD, etc., before proceeding to the encapsulation stage. Tungsten probes are primarily used on point testing machines, where the probe tip contacts the LED pad to provide current flow, causing the LED to light up for electrical testing.

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【Know Tungsten】Tungsten Granules – Catalysts in Carbon-Sulfur Analyzers! 75

?? Tungsten granules, also known as tungsten flux, are made by breaking forged tungsten parts. The standard specifications are typically 12-20 mesh, 20-40 mesh, and 40-60 mesh, with a sulfur content not exceeding 0.0005% and a carbon content not exceeding 0.0008%. Besides aiding in melting, they also serve purposes such as heating, stirring, catalyzing, stabilizing combustion, resisting interference, and regulating the acidity and alkalinity of the medium. Due to their low impurity content and high melting point, tungsten granules are…

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【Know Molybdenum】What Is Riveted TZM Tube? 74

Riveted TZM tube is a type of pipe product made from an alloy of titanium, zirconium, and molybdenum. With a wall thickness of only 0.6 millimeters, it is challenging to produce as a single piece and is typically manufactured using riveting. This alloy boasts excellent high-temperature oxidation resistance and mechanical strength, making it widely utilized in high-temperature and high-pressure environments such as aerospace, aircraft engines, and the nuclear industry.

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【Know Molybdenum】What Is Molybdenum-Rhenium Block? 81

Molybdenum-rhenium alloy is a type of alloy formed by adding 14% to 47.5% rhenium to molybdenum, greatly improving the ductility, weldability, and formability of the alloy after adding rhenium. Even after high-temperature use, molybdenum-rhenium alloy can still maintain good ductility. Molybdenum-rhenium block contains 47.5% rhenium and has dimensions of 8x8x6 millimeters. Due to its excellent high-temperature performance and corrosion resistance, it is commonly used in aerospace, aviation engines, nuclear industry, and chemical industry. especially in applications under high-temperature, high-pressure, and…

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【Know Tungsten】What Is Tungsten-Copper Protective Tube? 78

Tungsten-copper protective tube is a composite material tube, made from a blend of 93% tungsten and 7% copper. It consists of an inner tube and an outer sleeve, with the inner tube featuring an M16x15mm thread, while the outer sleeve also has an M16 thread for easy fastening. This type of tungsten-copper protective tube is commonly used in high-temperature, high-pressure, or corrosive environments, offering excellent wear resistance, corrosion resistance, and thermal conductivity. It is suitable for various industrial fields, such…

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Know Tungsten – Tungsten Carbide Sealing Ring 66

? Tungsten carbide sealing rings are made of tungsten carbide powder as raw material, with an appropriate amount of cobalt powder or nickel powder added as a binder, pressed into a ring shape through a certain mold, and sintered in a vacuum furnace or hydrogen reduction furnace. Tungsten carbide sealing ring has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. In particular, its high hardness and wear resistance…

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Know Tungsten – Tungsten Carbide Drawing Die 89

?? Tungsten carbide drawing die is one of many carbide molds. The working part of the mold is made of finely ground carbide, and the fixed part of the mold is made of No. 45 steel. The two are then assembled through interference fit. Together, in this way, the material cost of the carbide drawing mold can be reduced to the lowest and most cost-effective, truly saving customers money.

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Know Tungsten – Tungsten Carbide Insert Production Process 94

? Step 1: Raw material preparation. The main ingredients include tungsten carbide powder and cobalt powder. The quality and precise blend of raw materials are key to ensuring final blade performance. Step 2: Mixing and Compression. The mixture is compressed into a highly dense blank whose shape approximates the final blade profile. Step 3: Sintering. In a high-temperature environment, the billet is sintered, and the tungsten carbide particles combine with the cobalt powder to form a strong cemented carbide material.…