W90 tungsten copper bar is composed of 90% W and 10% Cu, its density is up to 16.75g/cm3, hardness reaches more than HB260, the bending strength is 1160MPa, the conductivity is 27%IACS and the softening temperature is more than 900℃. More details of W90 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html Owing to W takes up the most of parts, W90 tungsten copper bar is hard, but its toughness and ductility is not so good so that it is not suitable…

W85 tungsten copper bar is composed of 85% W and 15% Cu, its density reaches(15.90g/cm3), hardness more than HB240, electric conductivity is 38%IACS, softening temperature is ≥900℃, thermal conductivity coefficient is between 180-200 (wm/k) and the coefficient of expansion is 7.0-7.5 (10-6k). More details of W85 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html W85 tungsten copper bar manufactured by PM (Powder Metallurgy) and has excellent thermal, electrical conductivity, high-temperature strength and plasticity, which is a kind of heat sink materials. In…

W80 tungsten copper bar is composed of 80% W and 20% Cu so that high hardness and melting point characteristics of tungsten is more obvious. Its density is up to 15.15g/cm3, hardness reaches more than HB140, but due to less Cu, conductivity is decreasing to 34%IACS, softening temperature is ≥900℃,the bending strength is 980, the thermal conductivity is 190-210(wm/k) and the coefficient of expansion is 8.0-8.5(10-6K). More details of W80 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html W80 tungsten copper bar…

W75 tungsten copper bar is composed of 75% W and 25% Cu, which not only has high density (14.50g/cm3), high hardness (≥HB195), high strength, but also has good conductivity (%38IACS), softening temperature is ≥900℃, thermal conductivity coefficient is between 200-230 (wm/k) and the coefficient of expansion is 9.0-9.5 (10-6k). More details of W75 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html With the perfect arrangement of W and Cu, tungsten copper W75 rod provides a best way to solve the deformation in…

W70 tungsten copper bar is composed of 70% W and 30% Cu so that it is harder than W50 and W60 rods. Its density is up to 12.75g/cm3, hardness reaches more than HB140, and conductivity is 47%IACS, softening temperature is ≥900℃ and the bending strength is 790. More details of W70 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html W70 tungsten copper bar belongs to refractory metal and has excellent mechanical strength and anti-arc ablation capability so that it can be used…

W65 tungsten copper bar has many advantages, such as excellent electrical and thermal conductivity, uniform texture, high density, high-temperature resistance and arc erosion resistance, which can be widely used in high-temperature materials, high-voltage switch with electrical alloy, EDM electrodes, and microelectronic materials. More details of W65 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html Notice: Mill machining, lathe machining and grind machining tungsten copper bars have different appearances. Generally, after fine grinding by coreless grind machining, tungsten copper bar is black (like…

W60 tungsten copper bar is composed of 60% W and 40% Cu, which not only has high density (12.75g/cm3), high hardness (≥HB140), high strength, but also has good conductivity (%47IACS), softening temperature is ≥900℃. More details of W60 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html W60 tungsten copper bar has many advantages, such as excellent electrical and thermal conductivity, uniform texture, high density, high-temperature resistance and arc erosion resistance, which can be widely used in high-temperature materials, high-voltage switch with electrical…

W50 tungsten copper bar is composed of 55% W and 45% Cu, which not only has high density (11.85g/cm3), high hardness (≥HB115), high strength, but also has good conductivity (%54IACS), softening temperature is ≥900℃. More details of W55 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html W55 tungsten copper bar has similar properties to W50, it has high content of Cu and low content of W. It is relatively soft, but the plasticity and conductivity is excellent. So it is suitable for…

W50 tungsten copper bar is composed of 50% W and 50% Cu, which not only has high density (11.85g/cm3), high hardness (≥HB115), high strength, but also has good conductivity (%54IACS), softening temperature is ≥900℃. More details of W50 tungsten copper bar please visit  http://www.tungsten-copper.com/tungsten-copper-bar.html W50 tungsten copper bar mainly used in relays, high voltage switches, circuit breakers and other higher demands of electrical and thermal conductivity, arc erosion resistance. In addition, it can also use as the electrode of resistance…