
ASTM B777-15 class4 tungsten alloy brick has high density, high melting point, good thermal conductivity, good electrical conductivity and low coefficient of linear expansion. Its thermal conductivity is 5 times that of die steel, and its coefficient of linear expansion is only 1/2~1/3 of iron or steel. In addition, it is also resistant to electric corrosion and high pressure, which mainly used in electronics, lighting, vacuum coating, medical equipment. More product details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-brick.html The properties of ASTM B777-15…