During the pressing process, female mould is under high pressure and friction, thus the material required for the pressing mould should be high hardness and wear resistance. So the YG8 tungsten carbide is applied which the hardness is above 89HRA. In order to cut the producing cost, the female mould coat is made of steel.

Tungsten carbide button automatic pressing mould is made through the following step:
1.Select the proper size of YG8 tungsten carbide and drill it with a round hole then put the core rod in it and polishing the outer surface.

2.Turn it to the required size and then quenching and tempering

3.Grind the inner hole of steel jacket and heat it to a certain temperature, then coat it on the tungsten carbide mould very fast.

4.Exact-grinding the surface of steel coat. Take off the core rod. Grind mould chamber to the designed size.


 Tungsten Metals Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten.com.cn
 Tel.: 86 592 5129696; Fax: 86 592 5129797
 Email:  sales@chinatungsten.com
 Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
 Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
 Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Tungsten carbide button bit is also called cemented carbide button bit. It has many advantages like good wearing resistance, high abrasion resistance, high corrosion resistance, high tenacity, high temperature resistance, high hardness and high density. Tungsten carbide button bits applied in rock drills have different shapes: hemispherical button, conical button, parabolic button and wedge button.

With adequate power of hydraulic rock drill, hemispherical button is excellent in energy efficiency and rock fragmentation. Tungsten carbide hemispherical button is of high wear resistance. Conical button is of high drill velocity and easier to drill the rock. But the wear resistance is worse than hemispherical button. The property of parabolic button is between hemispherical button and conical button. Wedge button is used for super tough rocks. 



 Tungsten Metals Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten.com.cn
 Tel.: 86 592 5129696; Fax: 86 592 5129797
 Email:  sales@chinatungsten.com
 Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
 Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
 Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Tungsten carbide button quality control can be devided into inner quality control and external quality control. Inner quality control includes ingredient and construction. External quality control includes size and surface roughness.

Tungsten carbide button ingredient and construction are being designed by application requirement. The main ingredients are tungsten and cobalt. Its property is adjusted by the content of cobalt and grain size of tungsten carbide. If the requirement for tungsten carbide button is high toughness and hardness, then the content of cobalt is higher and grain size of tungsten carbide is bigger. If the requirement for tungsten carbide button is high wear resistance, then cobalt content is lower and grain size of tungsten carbide is smaller. After the ingredients of tungsten carbide button is confirmed, the property and life expectancy of tungsten carbide button is determined by its construction. Tungsten carbide button construction includes ingredients of tungsten carbide, cobalt content, grain size of tungsten carbide, thickness of cobalt layer.



 Tungsten Metals Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten.com.cn
 Tel.: 86 592 5129696; Fax: 86 592 5129797
 Email:  sales@chinatungsten.com
 Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
 Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
 Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Tungsten tube is one of the processing products of tungsten. Due to its high density, high purity, high temperature resistance, and other excellent performance, Tungsten tube is mainly applied in aviation, aerospace and other fields. In detail, Tungsten tube is mainly used in high temperature furnace as thermocouple protection tube, sapphire crystal furnace, high temperature sintering furnace and other support. Therefore, tungsten tube still has great prospects in China and even in the world.

Market efficiency of tungsten metal tube and other products is still very impressive, such as, high temperature thermocouple tube , the world's annual consumption is not low, so profits is still very substantial. However, China industry and company’s mainly exports is tungsten powder or blanks, tungsten metal products is limited to enter the international market, so profit is not great.

If China industry and company can make full use of manpower and resources, change tungsten metal and alloy products export structure, it can not only save a lot of foreign exchange but can be exported.


Tungsten Metals Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten.com.cn
 Tel.: 86 592 5129696; Fax: 86 592 5129797
 Email: sales@chinatungsten.com
 Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
 Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
 Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn