Product Description

Composition:Si-30%Al.

Baienwei AlSi alloys are available in the form of plates 
and blocks, or machined and plated components, ready
for manufacturing into different products.

Product Info

Minorder 1

Product Detail


Grade

 Content
wt%

Density
g/cm³

CTE
25℃
ppm/℃

Thermal
Conductivity
25℃ W/mK

Tensile
Strength
MPa

Yield
Strength
MPa

Poisson's
 Ratio

Elongation
%

Elastic
Modulus 
GPa

AlSi70

Si-30%Al

2.43

7.5

120

138

138

0.25

<1

131


Other Designations: Silicon aluminum alloy, Al/Si, Si-30%Al controlled expansion alloy.

Product Description

  • AlSi70 alloy used as carriers for sensoring,substituting Cu-W for military applications;
  • AlSi70 microwave carrier for telecommunications;
  • AlSi70 transmit modules carrier;
  • AlSi70 alloy used as substrate for high-power LED;
  • AlSi70 replacement stainless steel,used as optical housings for aerospace applications.

Applications

  • Telecommunication;
  • Military Industry;
  • Aerospace .

Advantages

  • Low cost;
  • High thermal conductivity;
  • Easy to be machined, welded and plated;
  • CTE matched to LTCC;

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