Zhuzhou Jiabang Refractory Metal Co., Ltd
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 5 Ton per month |
| Packaging Details | Standard for exporting |
| Material | 75% tungsten ,25% copper |
| Sized | customized |
| Density | 14.5 g/cm3 |
| Hardness | 195HB Kgf/mm2≥ |
| Resistivity | 4.5 µΩ.cm≤ |
| IACS | 38%≥ |
| Bending Strength | 885 Mpa≥ |
| Application | Switch contact |
| Brand Name | JBNR |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 5 Ton per month |
| Packaging Details | Standard for exporting | Material | 75% tungsten ,25% copper |
| Sized | customized | Density | 14.5 g/cm3 |
| Hardness | 195HB Kgf/mm2≥ | Resistivity | 4.5 µΩ.cm≤ |
| IACS | 38%≥ | Bending Strength | 885 Mpa≥ |
| Application | Switch contact | Brand Name | JBNR |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | copper tungsten ，copper tungsten edm electrodes | ||
Good quality Tungsten Copper Switch contact W75Cu25
An electrical connector is a conductive device for joining electrical circuits together. The connection may be temporary, as for portable equipment, or may require a tool for assembly and removal, or may be a permanent electrical joint between two wires or devices. There are hundreds of types of electrical connectors. In computing, an electrical connector can also be known as a physical interface (compare Physical Layer in OSI model of networking). Connectors may join two lengths of flexible wire or cable, or may connect a wire or cable to an electrical terminal. Although cable glands are often called "connectors", a technical distinction can be made in the terminology, which differentiates them from quick-disconnect, conducting electrical connectors. The distinction is often not made. Higher voltage applications bring a diverse set of challenges in design and wear of electrical contacts. Some of these high voltage contacts are operated in oil, others in air, others in a vacuum and still others in varying gases to deal with the unique requirements of high voltage applications. Some of the problems encountered will be high wear, arcing and sticking (or welding).
Advantages
Higer thermal conductivity
Low thermal expansion
High arc resistance combined with good electrical conductivity
Applications
1.Electrical Contacts
Electrical contacts are subjected to extreme mechanical and thermal stresses during operation. For fractions of a second, temperatures rise to several thousand degrees as a result of the arcing. Our tungsten copper materials are used owing to their unique physical properties.
2.Resistance Welding
The high physical and mechanical properties, as well as the thermal and electrical conductivity, of refractory metal composites make tungsten copper alloy very suitable for die inserts and electrode facings, flash and butt welding dies, and hot upsetting. They can also solve heat balance problems.
Copper Tungsten Technical Data
| Grade No | Chemical | Composition % | Density | Hardness | Resistivity | IACS | Bending Strength | |
| Cu | Impurity | Wolfram | 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 | 12.3 | 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 | 13.3 | 155 | 3.9 | 44 | |
| W70/Cu30 | 30±2.0 | 0.5 | Balance | 13.8 | 175 | 4.1 | 42 | 790 |
| W75/Cu25 | 25±2.0 | 0.5 | Balance | 14.5 | 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 | 15.9 | 240 | 5.7 | 30 | 1080 |
| W90/Cu10 | 10±2.0 | 0.5 | Balance | 16.75 | 260 | 6.5 | 27 | 1160 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
10,000,000-20,000,000
Employee Number:
50~100
Ecer Certification：
Active Member
Zhuzhou Jiabang Refractory Metal Co.,Ltd, founded in year 2008, has an area coverage of 12000m2. Its registered capital is RMB 30 million. Zhuzhou Jiabang Refractory Metal Co.,Ltd is devoted in research and production of products in electronics area, medical area, new energy industry and aero... Zhuzhou Jiabang Refractory Metal Co.,Ltd, founded in year 2008, has an area coverage of 12000m2. Its registered capital is RMB 30 million. Zhuzhou Jiabang Refractory Metal Co.,Ltd is devoted in research and production of products in electronics area, medical area, new energy industry and aero...
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