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Tungsten Copper Sheet is a refractory metal alloy of tungsten and copper.It is made of copper powder and tungsten powder.It combines the properties of both metals, resulting in a material that is heat-resistant, ablation-resistant, highly thermally and electrically conductive, and easy to machine.Copper Tungsten sheet is typically supplied to meet the standard of ASTM-B-702 and RWMA 12,RWMA 11.As a global leading supplier of copper tungsten sheet.We manufacture various sizes copper tungsten sheet,plate,rod,bar.
By selecting high purity tungsten powder and oxygen-free copper, all of our tungsten coppers are produced by sintering and infiltrating process.
The composition of tungsten and copper are well-proportioned and accurate percentaged;
Tungsten coppers are precisely machined with high thermo stability, high arc resistance and high strength;
Copper tungstgen has high electrical conductivity and thermal conductivity;
Material | Wt% Tungsten Content | Wt% Copper Content | g/ Density at 20ºC | W/M.K Thermal conductivity at 25ºC | (10-6/k) Coefficient of thermal expansion at 20ºC |
W90Cu10 | 901 | Balance | 17.0 | 180-190 | 6.5 |
W85Cu15 | 851 | Balance | 16.4 | 190-200 | 7.0 |
W80Cu20 | 801 | Balance | 15.6 | 200-210 | 8.3 |
W75Cu25 | 751 | Balance | 14.9 | 220-230 | 9.0 |
W50Cu50 | 501 | Balance | 12.2 | 310-340 | 12.5 |
Brand and NO. | Chemical components% | Physical properties | ||||||
Cu | Total impurities ≤ | W | Density (g/cm³) ≥ | Hardness HB ≥ | Resistivity (µΩ·cm) ≤ | Conductivity IACS%≥ | Bending strength Mpa≥ | |
CuW(50) | 50±2.0 | 0.5 | Bal. | 11.85 | 115 | 3.2 | 54 | |
CuW(55) | 45±2.0 | 0.5 | Bal. | 12.30 | 125 | 3.5 | 49 | |
CuW(60) | 40±2.0 | 0.5 | Bal. | 12.75 | 140 | 3.7 | 47 | |
CuW(65) | 35±2.0 | 0.5 | Bal. | 13.30 | 155 | 3.9 | 44 | |
CuW(70) | 30±2.0 | 0.5 | Bal. | 13.80 | 175 | 4.1 | 42 | 790 |
CuW(75) | 25±2.0 | 0.5 | Bal. | 14.50 | 195 | 4.5 | 38 | 885 |
CuW(80) | 20±2.0 | 0.5 | Bal. | 15.15 | 220 | 5.0 | 34 | 980 |
CuW(85) | 15±2.0 | 0.5 | Bal. | 15.90 | 240 | 5.7 | 30 | 1080 |
CuW(90) | 10±2.0 | 0.5 | Bal. | 16.75 | 260 | 6.5 | 27 | 1160 |