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Tungsten News
【Know Molybdenum】What Is Riveted TZM Tube? 1

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? 2

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? 4

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 11

 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 12

 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 13

 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.…

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Main China Tungsten Companies’ Long-Term Contract Prices in the First Half of April 2024 19

In the first half of April 2024, the long-term contract prices (including 13% value-added tax) of main China tungsten companies for wolframite concentrate (WO3≥55%) were 126,500 yuan per standard ton, an increase of 2,000 yuan per standard ton compared to the second half of March 2024. For scheelite concentrate (WO3≥55%), the prices were 125,500 yuan per standard ton, an increase of 2,000 yuan per standard ton compared to the second half of March 2024. And for ammonium paratungstate (APT) (national…

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[Know Molybdenum] Introduction to 3mm Thickness Welded Molybdenum Tubes 8

Molybdenum tubes are made from 3mm thick molybdenum plates rolled into tube shapes and fabricated through welding. Typically, the surface of welded molybdenum tubes undergoes sandblasting treatment to enhance surface quality and appearance. Molybdenum tubes exhibit excellent high-temperature and corrosion resistance properties, making them widely used in high-temperature environments or environments requiring corrosion resistance. This type of tubing plays a significant role in aerospace, vacuum technology, and other specialized industrial fields.

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