Tungsten alloy polishing ball made with tungsten alloy is used for ballizing, gauging and in ball pens. Its hardness is at Hra 90.5 to 91.5. It is slightly magnetic. Its thermal conductivity is 100 W/m/oC, and electrical resistivity is 20u ohms/cm. Its compressive strength @ 20 degree C is 6200 N/mm2.
Chinatungsten Online founded in the 1997, located at one of the Chinese biggest clustering base of tungsten resources, is a high-tech enterprise which focuses its diligence on research, development, manufacture, sales and technical service base on tungsten material. We are offering this tungsten alloy ball at very cheaper and competitive price.
More details, please visit:
http://www.tungsten-alloy.com/tungsten-alloy-ball.html
