High Silicon Aluminum Alloy
Silicon‑rich aluminium alloy optimized for thermal‑stable precision components.
ZY-AlSi20
Composition: Al-20%Si
ZKZY hypereutectic AlSi alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready for manufacturing into different products.
Density g/cm³
2.78
CTE 25℃ ppm/℃
17
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ZY-AlSi25
Composition: Al-25%Si condition: T6
ZKZY hypereutectic AlSi alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready for manufacturing into different products.
CTE 25℃ ppm/℃
16.9
Thermal Conductivity 25℃ W/mK
133
ZY-AlSi27
Composition: Al-27%Si
ZKZY AlSi alloys are available in the form of plates and blocks, or machined and plated components,ready for manufacturing into different products.
CTE 25℃ ppm/℃
17
Thermal Conductivity 25℃ W/mK
175
ZY-AlSi35
Composition: Al-35%Si
ZKZY AlSi alloys are available in the form of plates and blocks, or machined and plated components,ready for manufacturing into different products.
Density g/cm³
2.54
CTE 25℃ ppm/℃
15.1
ZY-AlSi42
Composition: Al-42%Si
ZKZY hypereutectic AlSi alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready for manufacturing into different products.
CTE 25℃ ppm/℃
13.5
Thermal Conductivity 25℃ W/mK
143
ZY-AlSi50
Composition: Al-50%Si
ZKZY hypereutectic AlSi alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready for manufacturing into different products.
CTE 25℃ ppm/℃
11.5
Thermal Conductivity 25℃ W/mK
140
ZY-AlSi60
Composition: Si-40%Al
ZKZY hypereutectic AlSi alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready for manufacturing into different products.
CTE 25℃ ppm/℃
10
Thermal Conductivity 25℃ W/mK
125
ZY-AlSi70
Composition: Si-30%Al
ZKZY hypereutectic Al-Si alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready formanufacturing into different products.
CTE 25℃ ppm/℃
7.5
Thermal Conductivity 25℃ W/mK
120
ZY-AlSi80
Composition: Si-20%Al
ZKZY hypereutectic AlSi alloys are available in the form of plates,blocks,bars and tubes,or machined and plated components, ready for manufacturing into different products.
CTE 25℃ ppm/℃
6
Thermal Conductivity 25℃ W/mK
110
Substrate for X-Ray Detector
Material: Al-Si Alloys
ZKZY adopts rapid solidification and subsequent machining technology, offering a series of electronic packaging services,including R&D,production,subsequent machining and plating.
Electronic package cover plate
We offer the Al-Si controlled expansion alloy with low density,higher thermal conductivity and a controlable coefficient of thermal expansion(CTE) ranging between 7ppm/℃ and 17ppm/℃.
Density(at 20℃)
2.6g/cm3
Yield strength
130Mpa
Fiber Optic & Telecom Packages
Material: Silicon Aluminum Alloys(AlSi Alloys)
ZKZY adopts rapid solidification and subsequent machining technology, offering a series of electronic packaging services,including R&D,production,subsequent machining and plating.
Application to Materials
Our expert-curated mapping of industrial requirements to precision material solutions.
EV Power Modules
Recommended Materials
Optical Systems
Recommended Materials
Frequently Asked Questions
Frequently asked questions