- Model NO.: WCu
- Standard: GB, ASTM
- Alloy: Alloy
- Type: Tungsten Bars
- Surface: Bright
- Usage: EDM
- Transport Package: Plywood Box with Foam and Plastic Film
- Origin: Luoyang
- Application: Aviation, Electronics, Industrial, Medical, ERW,Vacuum Electric Contact
- Purity: 50-90%
- Shape: Round
- Material: Wcu10-50%
- Produce Method: Mould Pressing
- Trademark: DINGDING
- Specification: ISO9001: 2008, SGS
- HS Code: 8101991000
1)Grade: CuW50-CuW90
2)Diameter: round: 3-60mm square: 3-45mm
Length: 100-1000mm
3)Standard: GB
4)Application: For the spark erosion of dies or cemented carbide making for high speed steel and switches and contacts in high and low voltage electrical devices.
5)Special shape products are produced as per customer's drawing.
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| Wcu material's chemical and physical properties | ||||||||
| Grade | Chemical component(wt%) | Density | Hardness | Resistivity | IACS | Bending strength | ||
| Cu | Impurity≤ | 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 | 12.3 | 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 | 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 |
Athena Dong
Sales Manager
Luoyang Dingding Tungsten & Molybdenum Material Co., Ltd. is located in the millennium royal capital, peony flower city-Luoyang. The company is an emerging enterprises, specialized in research and development, produce and sell, technical service, import and export business of tungsten, molybdenum, zirconium, and other rare metal materials.Â
The company always adhere to the science and technology leading, the concept of continuous innovation, formed its own technology researching team. The company initiates actively and takes efforts to practise modern enterprise business philosophy, by providing the first-class products, sincere service, expanding to the breadth and depth of international market with friends.Â
The company will take the advanced technology as the guide, the scientific management system as the policy, try the best to serve you. We sincerely welcome friends from domestic and abroad to our company to negotiate, guide, cooperate on mutual benefit and create brilliant future together.Â
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Hitachi has been developing and manufacturing elevators and escalators for about 90 years. Social demands on elevators and escalators changed dramatically over time: faster, larger, and barrier-free and required.
History of Hitachi's Elevator and Escalator Business
- 1924Lift manufacturing at the Kameido plant
- 1932First elevator delivered (to Tokyo Electric Power)
- 1937First escalator delivered (to Osaka Railway Department Store)
- 1956Hitachi Building Services Co., Ltd. founded (currently known as Hitachi Building Systems Co., Ltd.)
- 1966Hitachi Elevator Engineering Co .,( 1514313,Hong Kong) Ltd. founded in Hong Kong
- 1967Construction of an elevator research tower in the Mito plant completed (90m in height)
- 1968300m â„ minute ultra high speed elevator delivered to the Kasumigaseki Building, Japan's first skyscraper
- 1972Hitachi Elevator Engineering (Singapore) Pte. Ltd. founded in Singapore
- 1974Delivery of 540m â„ minute elevators to skyscrapers in Shinjuku
- 1987Hitachi Mito Engineering Co., Ltd. founded
- 1991Siam-Hitachi Elevator Co., Ltd. Founded in Thailand
- 1998Three affiliated companies in China merged to found Guangzhou Hitachi Elevator Co., Ltd.
- 2003Opened Hitachi Building Solution Lab
- 2007Guangzhou Hitachi Elevator Co., Ltd. renamed to Hitachi Elevator (China) Co., Ltd.
- 2008Hitachi Lift India Pvt. Ltd. foundedDelivered the world's highest class ultra fast double deck elevators to the Shanghai World Financial Center
- 2009Introduction of the Company systems leads to the establishment of the Urban Planning and Development Systems Company
- 2010Completed elevator research tower [G1TOWER" (213m in height) for Mito WorksFounded Hitachi Elevator Asia Pte. Ltd. as a general elevators and escalators business company for the Southeast Asia, India, and Middle East regionsCompleted elevator research tower (172m in height) for Hitachi Elevator (Shanghai) Co. Ltd.
-
2011Founded Hitachi Elevator Philippines CorporationDelivered 600m â„ minute elevators to the Al Hamra Mixed-Use Complex in Kuwait.
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