W70Cu30 Tungsten Copper Alloy Bar High Thermal Conductivity 175 HB

Product Details:
Place of Origin: CHINA
Brand Name: JINXING
Certification: ISO 9001
Model Number: W70Cu30 - Tungsten Copper Alloy Bar

Detail Information

Material: Tungsten Copper Alloy Bar Type: W70Cu30
Size: Dia 3-50mm X L Density: 14.5 G/cc
Hardness: 175 HB Standard: ASTM B702-93 2019
Packaging: Export Plywood Cases Application: Electronic Devices
High Light:

W70Cu30 Tungsten Alloy Bar

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Tungsten Alloy Bar High Thermal Conductivity

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175 HB Tungsten Alloy Bar

Product Description

W70Cu30 Tungsten Copper Alloy Bar High Thermal Conductivity

Tungsten Copper Alloy Bar is tungsten and copper composites with excellent properties of tungsten and copper, such as heat resistance, ablation resistance, high strength, excellent thermal and electrical conductivity. wCu alloys are easy to process. wCu alloys are widely used in engine, electric power, electronics, metallurgy, aerospace, aviation and other industries. CIP forming, sintered tungsten skeleton and copper (silver) infiltration technologies are used to produce large size and special shape products of WCu composites containing 6-90% copper, such as electrical contacts, electrodes, refractory parts, heat sinks and rocket parts.

Specifications of Tungsten Copper Alloy Bar

Code No.

Chemical Composition % Mechanical properties
CU Impurity W Density (g/cm3 ) Hardness HB RES( cm) Conductivity IACS/ % TRS/ Mpa
CuW(50) 50±2.0 0.5 Balance 11.85 115 3.2 54  
CuW(55) 45± 2.0 0.5 Balance 12.30 125 3.5 49  
CuW(60) 40±2.0 0.5 Balance 12.75 140 3.7 47  
CuW(65) 35±2.0 0.5 Balance 13.30 155 3.9 44  
CuW(70) 30±2.0 0.5 Balance 13.80 175 4.1 42 790
CuW(75) 25±2.0 0.5 Balance 14.50 195 4.5 38 885
CuW(80) 20±2.0 0.5 Balance 15.15 220 5.0 34 980
CuW(85) 15±2.0 0.5 Balance 15.90 240 5.7 30 1080
CuW(90) 10±2.0 0.5 Balance 16.75 260 6.5 27 1160

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tungsten Copper Alloy Bar Picture:
W70Cu30 Tungsten Copper Alloy Bar High Thermal Conductivity 175 HB 0W70Cu30 Tungsten Copper Alloy Bar High Thermal Conductivity 175 HB 1

Advantages of Tungsten Copper Alloy Bar

  • Higer thermal conductivity
  • Low thermal expansion
  • High arc resistance combined with good electrical conductivity

Applications of Tungsten Copper Alloy Bar

  1. Electrodes for resistance welding
  2. Heat sinks as passive cooling elements of electronic devices
  3. Electrodes in electric spark erosion cutting machines
  4. Arcing contacts and vacuum contacts in high and medium voltage breakers or vacuum interruptions

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