The density and specific heat of beryllium and alloys of beryllium
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The following table shows the physical properties of beryllium.
Density 1844 kg / m³
Melting point 1273 — 1283 ° C
The mechanical properties of beryllium are given in the following table.
The tensile strength is 370 MPa
Yield strength 240 MPa
Resistance to fatigue, cycles 1.00e + 7, 160 MPa
Shear strength (hot pressing) 345 MPa
Shear strength (with transverse rolling) 480 MPa
Impact strength 10,6… 12,3 MPa
Modulus of elasticity 303 GPa
The Poisson’s ratio is 0.0700… 0.180
Tensile elongation 3%
Charpy Impact Strength 1.50−5.50 J
Hardness, according to Rockwell, scale B 75… 85
Coefficient of thermal expansion (at 25 ° C) 11.5 μm / m ° C
Thermal conductivity — 216 W / mK
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Beryllium has the following applications:
X-ray sources / detectors
Infrared Receiving Systems
Aviation and satellite components.
Buy beryllium at an economical price offers the company Elektrovek-steel. The supplier ensures the delivery of the products to any point specified by the customer.
Beryllium copper alloys are vital for a number of industries due to their unique combination of strength, hardness, conductivity and resistance to corrosion.
Standard beryllium copper alloys contain about 2% beryllium, and the content of beryllium in patented alloys can be from 1.5 to 2.7%.
The standards in the table below should be for reference only, since alloys can undergo significant fluctuations depending on the conditions of heat treatment.
For example, thermal and electrical conductivity can increase with precipitation. It should also be noted that the thermal treatment of precipitation, which creates maximum hardness, does not correspond to the one that provides maximum conductivity.
Physical properties of beryllium copper
Density 8.25 g / cm 3
Coefficient of temperature expansion
17 x 10 -6 at C
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