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Low Expansion Copper Tungsten Parts / Tungsten Copper Heat Sink 115-260 Hardness

Categories Tungsten Heavy Alloy
Brand Name: VKD
Model Number: Cu70w30
Place of Origin: zhuzhou
MOQ: negotiate
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 5tons/month
Delivery Time: 15-20work days
Packaging Details: paper,then paper boxs
Product Name: Tungsten Copper Heat Sink
Class: W50/Cu50 - W90/Cu10
Hardness: 115-260
Density: 11.85 - 16.75g/cc
Hardness:Product Standard:: ASTM B 702
Bending Strength: 790-1160
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Low Expansion Copper Tungsten Parts / Tungsten Copper Heat Sink 115-260 Hardness

Low Expansion Copper Tungsten Parts / Tungsten Copper Heat Sink 115-260 Hardness


Description:


Tungsten copper heat sink is a composite of tungsten and copper, so both the thermal advantages of copper and the very low expansion characteristics of tungsten can be adjusted to meet different requirements.


Advantages:


1. Excellent flatness, surface finish, and size control

2. Semi-finished or finished (Ni/Au plated) products available


Application:


They are extensively used as thermal mounting plates, chip carriers, tungsten copper flanges, and frames for RF, light emitting diodes and detectors, laser diode packages like pulse, single emitter, bars and complex carriers for optoelectronics amplifiers, receivers, transmitters, tunable lasers, etc.


Product Properties:


GradeW ContentDensity g/cm3

Coefficient of thermal

Expansion ×10-6 (20℃)

Thermal conductivity W/(M·K)
90WCu90±2%17.06.5180 (25℃) /176 (100℃)
85WCu85±2%16.47.2190 (25℃) / 183 (100℃)
80WCu80±2%15.658.3200 (25℃) / 197 (100℃)
75WCu75±2%14.99.0230 (25℃) / 220 (100℃)
50WCu50±2%12.212.5340 (25℃) / 310 (100℃)

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China Low Expansion Copper Tungsten Parts / Tungsten Copper Heat Sink 115-260 Hardness factory
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