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IBC Advanced Alloys Beralcast® 191 Beryllium-Aluminum Alloy

Category Metal , Metal Matrix Composite , Nonferrous Metal , Beryllium Alloy
Manufacturer IBC Advanced Alloys
Trade Name Beralcast®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF IBC Advanced Alloys Beralcast® 191 Beryllium-Aluminum Alloy.pdf
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Material Notes:
This alloy consists of 65% Be and 35% Al (by weight) and is used primarily for moderate strength cast electronic and thermal packaging applications. BeAl-191 also provides a unique capability for selected applications in optical systems, where increased stability through the operational temperature range and thermal conductivity are of critical importance.Information provided by IBC Advanced Alloys
Physical Properties Metric English Comments
Density 2.16 g/cc
0.0780 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 196.5 MPa
28500 psi
Tensile Strength, Yield 137.9 MPa
20000 psi
Elongation at Break 1.7 %
1.7 %
Modulus of Elasticity 202 GPa
29300 ksi
in tension
Poissons Ratio 0.20
0.20
Shear Modulus 84.2 GPa
12200 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 13.2 µm/m-°C

@Temperature 25.0 °C
7.33 µin/in-°F

@Temperature 77.0 °F
Specific Heat Capacity 1.423 J/g-°C
0.3401 BTU/lb-°F
Thermal Conductivity 180 W/m-K
1250 BTU-in/hr-ft²-°F
Melting Point 585 °C
1090 °F
Liquidus 585 °C
1090 °F
Component Elements Properties Metric English Comments
Aluminum, Al 26.0 - 35.6 %
26.0 - 35.6 %
Beryllium, Be 61.1 - 68.6 %
61.1 - 68.6 %
Cobalt, Co <= 0.20 %
<= 0.20 %
Germanium, Ge <= 0.20 %
<= 0.20 %
Iron, Fe <= 0.20 %
<= 0.20 %
Silicon, Si 1.65 - 2.5 %
1.65 - 2.5 %
Silver, Ag 1.65 - 2.35 %
1.65 - 2.35 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000410 ohm-cm
0.00000410 ohm-cm
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