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Tungsten Copper Composites are offered with 6~50wt.% Cu.
Advantages:
High arc resistance combined with good electrical conductivity
High thermal conductivity
Low thermal expansion
Applications:
Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors
Electrodes in electric spark erosion cutting machines
Product Demo! Heat sinks as passive cooling elements of electronic devices and Electronic packaging materials.
Electrodes for resistance welding
Product Standard: GB/T 8320-2003,ASTM B 702-93(Reapproved 2004)
Chemical Composition,Physical & Mechanical Properties of Tungsten-Copper Composites:
ClassChemical Composition (wt%)DensityHardnessResistivityIACSBending Strength
| Cu | Total Impurities≤ | W | g/cm3 ≥ | HB Kgf/mm2 ≥ | μΩ.cm ≤ | % ≥ | MPa ≥ | |
| W50/Cu50 | 50±2.0 | 0.5 | Balance | 11.85 | 115 | 3.2 | 54 | -- |
| W55/Cu45 | 45±2.0 | 0.5 | Balance | 12.30 | 125 | 3.5 | 49 | -- |
| W60/Cu40 | 40±2.0 | 0.5 | Balance | 12.75 | 140 | 3.7 | 47 | -- |
| W65/Cu35 | 35±2.0 | 0.5 | Balance | 13.30 | 155 | 3.9 | 44 | -- |
| W70/Cu30 | 30±2.0 | 0.5 | Balance | 13.80 | 175 | 4.1 | 42 | 790 |
| W75/Cu25 | 25±2.0 | 0.5 | Balance | 14.50 | 195 | 4.5 | 38 | 885 |
| W80/Cu20 | 20±2.0 | 0.5 | Balance | 15.15 | 220 | 5.0 | 34 | 980 |
| W85/Cu15 | 15±2.0 | 0.5 | Balance | 15.90 | 240 | 5.7 | 30 | 1080 |
| W90/Cu10 | 10±2.0 | 0.5 | Balance | 16.75 | 260 | 6.5 | 27 | 1160 |
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Myway Metal Material Co., Ltd. (hereinafter referred to as MMM) is a high-tech enterprise and located in Dezhou Shandong, which is known as “China Solar City”. MMM is a modern incorporation specialized in manufacturing sales and export & import of rare metals products and nonferrous metals products and special welding material etc. the new material products. Our company are committed to supply and Sales Service and Imp & Exp. of Rare Metals and New Metals e.g.Tungsten Electrode, Molybdenum Wire, Aluminium Welding Wire, Copper Alloys Welding Wire andFlux Cored Welding Wire etc. MMM has advanced technologies, superior machines & equipment, state-of-the-art testing instruments and modern workshops. It also has established a set of scientific management system and strict quality control system. Proud to be an ISO 9001:2008 and ISO 14001:2004 certified company, MMM ensures all the aspects of development (design), production, sales and services to comply with the highest international standard for design and manufacturing excellence. MMM offers a wide range of superior quality products and focuses its efforts on development, production, sales and technical services in new metals high performance materials and products. Our products are widely applied not only in the traditional industries, but also in the new and emerging ones such as clean energy, LED lighting, medical technology, semiconductor, and electronics. MMM is committed to provide customers with quality products, best reputation, responsive customer services and had developed mutually profitable partnerships with many companies domestic China and Abroad. The products have been exported to more than 70 countries all over the world. All staff of MMM are willing to cooperate sincerely with friends and customers from home and abroad to create a fruitful future together.
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