EB Tungsten Filament Price in July 2023

The latest price of φ0.8mm EB tungsten filament is USD 2.00/PC, EXW XIAMEN, CHINA in July 2023. 

Tungsten filaments, also called cathodes or electron emitters or electron sources, are mainly made of high-quality tungsten. Of all pure metals, tungsten has the highest melting point (3422°C), the lowest vapor pressure at temperatures above 1650°C, and the highest tensile strength. Tungsten also has the lowest coefficient of thermal expansion of all pure metals. This combination of properties makes tungsten an ideal material.

Tungsten can be used in both thermionic electron guns and field-emission (CFE) electron guns. Electron beams come from filaments made of various materials. The most common is the tungsten hairpin gun, which is widely used in scanning electron microscopes, transmission electron microscopes, and microprobe systems. This filament is a tungsten ring that acts as a cathode. Apply voltage to the loop to heat it up. The anode, which is positive relative to the filament, forms a strong attraction to electrons. This causes electrons to be accelerated towards the anode. Some accelerate near the anode and down the column to the sample.

An electron gun works at a high temperature, which is required for thermionic emission. For this, a filament or the cathode should be of a material that has a high melting point in order for it to continuously emit electrons. Tungsten filament is folded with various shapes to help in focusing the electron beam.

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Cerium Tungsten Electrode Price in July 2023

The latest price of φ2.4x175mm cerium tungsten electrode is USD1.00/PC, EXW XIAMEN, CHINA in July 2023. 

Cerium tungsten electrode (WC20) is alloyed with about 2% cerium oxide. It is a non-radioactive, refractory or non-consumable metal electrode material, which is the preferred substitute for thorium tungsten electrodes. Regular diameter of the electrode is between 0.5mm and 12.0mm, and the length is 150mm and 175mm.

The addition of this small percentage of cerium oxide increases the electron emission qualities of the electrode which gives them a better starting characteristic and a higher current carrying capacity with no spitting. With the increase of cerium oxide content, the ablation resistance and arc starting of cerium tungsten electrode will increase; with the increase of use time, the welding performance will gradually decrease.

The electrode has excellent arc starting properties at low current, and can operate successfully with AC or DC electrode negative. If used on higher current applications, the cerium oxide July be concentrated to the excessively hot tip of the electrode. In addition, WC20 is also used in inert gas shielded arc welding, hydrogen atom welding, argon arc surfacing, pulse argon arc welding, plasma welding, plasma cutting, plasma spraying, plasma melting, etc. The welding materials can be carbon steel, stainless steel, silicon copper, copper, bronze, titanium and so on.

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Tungsten Sheet Price on July 26, 2022

Φ100x0.3mm tungsten sheet price is 4.60 USD/PC on July 26, 2022, EXW XIAMEN, CHINA. 

Tungsten sheets can be as thin as 0.01mm or as thick as 127mm, with widths typically ranging from 10mm to 800mm. They can be used in many different applications and is valued for its corrosion resistance, ability to withstand extremely high temperatures, and ability to create rigidity and hardness when combined with other metals in the alloy.

Tungsten is used in the aerospace, research, building materials and light bulb industries. It is the predominant metal in electric furnace heating elements, as well as in any assembly where high pressure/high temperature environments are expected. Sheets made of tungsten are commonly used in furnace construction, but are also important for making parts for the electronics and semiconductor industries, and can be found in a variety of lighting, vacuum plating, electronic vacuums and shielding.

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Lanthanated Tungsten Electrode Price on July 26, 2022

Ø3.2x175mm lanthanated tungsten electrode price is 1.90 USD/PC on July 26, 2022, EXW XIAMEN, CHINA. 

Wl20 electrodes contain at least 1.7% to 2.2% lanthanum for excellent arc starting, low burnout rate, good arc stability and excellent re-ignition characteristics. They are ideal if you want to optimize your welding capabilities. They can work well on either AC or DC electrode negatives with tips, or they can be used with AC sine wave power supplies. The tungsten electrode adding with rare earth element lanthanum holds sharp tips well, which is an advantage for welding steel and stainless steel on DC or AC from square wave power sources.

If you have any inquiry of lanthanated tungsten electrode, please feel free to contact us:

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Latest Price of Tungsten Plate on July 7, 2022

The latest price of 560x95x3.5mm tungsten plate is 520.00 USD/PC on July 7, 2022, EXW XIAMEN, CHINA. 

Tungsten plates can be as thin as 0.01mm or as thick as 127mm, with widths typically ranging from 10mm to 800mm. They can be used in many different applications and is valued for its corrosion resistance, ability to withstand extremely high temperatures, and ability to create rigidity and hardness when combined with other metals in the alloy.

Tungsten is used in the aerospace, research, building materials and light bulb industries. It is the predominant metal in electric furnace heating elements, as well as in any assembly where high pressure/high temperature environments are expected. Plates made of tungsten are commonly used in furnace construction, but are also important for making parts for the electronics and semiconductor industries, and can be found in a variety of lighting, vacuum plating, electronic vacuums and shielding.

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Latest Price of Lanthanated Tungsten Electrode (WL20) on July 7, 2022

The latest price of Ø2.4x175mm lanthanated tungsten electrode (WL20) is 1.10 USD/PC on July 7, 2022, EXW XIAMEN, CHINA. 

WL20 electrodes contain at least 1.7% to 2.2% lanthanum for excellent arc starting, low burnout rate, good arc stability and excellent re-ignition characteristics. They are ideal if you want to optimize your welding capabilities. They can work well on either AC or DC electrode negatives with tips, or they can be used with AC sine wave power supplies. The tungsten electrode adding with rare earth element lanthanum holds sharp tips well, which is an advantage for welding steel and stainless steel on DC or AC from square wave power sources.

If you have any inquiry of lanthanated tungsten electrode, please feel free to contact us:

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China Tungsten Price Was in the Upward Trend in Early July, 2021

Analysis of latest tungsten market from Chinatungsten Online

China tungsten price was in the upward trend in the week ended on Friday, July 09, 2021 with the impact of increased bid prices from listed enterprises for the first half of this month. 

At the beginning of July, China’s domestic and foreign cemented carbide enterprises successively increased their offers of alloy products. Raw material manufacturers had strong rised mentality and downstream buyers had to accept their high offers. But except for actual needs, consumers were still cautious of high-price transactions. 

The price in the tungsten concentrate market is exploring towards $16,666.7/ton. Low-price resources were hard to be purchased while high-price deals were reported rarely. Mainstream offers for ammonium paratungstate (APT) hovered around $278/mtu. Factories worried about the risk of price inversion and some of them stopped quoting. For the tungsten powder market, some suppliers made offers up to $38.1/kg, but actual deals concluded at about $37.5/kg. 

In the short term, as domestic epidemic has been affectively contained, the economic recovery and the release of domestic demand are relatively optimistic, plus with the increase in production and operation costs of raw materials, labor, logistics and freight, environmental protection and others, participants have good expect for the outlook.

Prices of tungsten products on July 12, 2021

Picture of tungsten acid 

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Tungsten Rod Price on July 3, 2019

Tungsten rod price is 45.00USD/PC on July 3, 2019, EXW, Xiamen, China. The regular length we produce is under 200mm. If the required length is longer, should be checked again.

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Lanthanum Tungsten Electrode Price on July 3, 2019

Ø2.4x175mm lanthanum tungsten electrode price is 0.988USD/PC on July 3, 2019, EXW, Xiamen, China. The successful invention of lanthanum type electrode can be used to replace thorium type. However, the usage of WL15 is with much smaller volume in China than around the world.

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Tungsten Bar Price on July 3, 2019

15x15x450mm tungsten bar price is 41.40USD/KG on July 3, 2019, EXW, Xiamen, China. Tungsten bar for steel industry is usually used as additive to improve the tenacity, hardness and wearness of steel. The tungsten content is about 9%~24%.

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