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Master Bond adhesives

Beryllium S-200F, Vacuum Hot Pressed
Categories: Metal; Nonferrous Metal; Beryllium Alloy; Pure Element

Material Notes: The standard structural beryllium grade, generally processed by HIP'ing. Applications include inertial guidance systems, missile interstages, optical substrates, spacecraft structures, and small rocket nozzles.

Property data below for S-200F has been supplemented with other property data generally applicable to pure beryllium.

Please note that there are health hazards associated with beryllium, especially when present as airborne particles generated during processing. As with any material, be aware of hazards and take steps to reduce exposure to a safe level.

General beryllium information: Beryllium is one of the lightest metals and has a high strength-to-weight ratio, stiffness-to-weight ratio, and very high specific heat, thermal conductivity, and heat of fusion. It has significant ductility, is readily machined and can be rolled, drawn, or extruded. It finds applications in nuclear reactors (neutron moderator and reflector), X-ray sources/detectors (X-ray transparency), IR target acquisition systems, inertial guidance instruments, computer parts, other aircraft and satellite structures, and heat sink constraining cores. Beryllium is usually produced via a powder metallurgy process to improve machinability and mechanical properties.

Information provided by Materion Corporation (formerly Brush Wellman) and the references.

Key Words: Brush Wellman; S200F Alloys
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.85 g/cc0.0668 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate >= 324 MPa>= 47000 psi
Tensile Strength, Yield >= 241 MPa
@Strain 0.2 %
>= 35000 psi
@Strain 0.2 %
Elongation at Break >= 2.0 %>= 2.0 %
Tensile Modulus 303.4 GPa44010 ksi
Compressive Yield Strength 207 MPa30000 psi
Notched Tensile Strength 345 MPa50000 psiTypical for Kt = 1.9. Notched strength ratio =1.0.
Poissons Ratio 0.180.18
Fatigue Strength  261 MPa
@# of Cycles 1.00e+7
37900 psi
@# of Cycles 1.00e+7
Krause rotating beam
 290 MPa
@# of Cycles 100000
42100 psi
@# of Cycles 100000
Krause rotating beam
Fracture Toughness 10.6 - 12.3 MPa-m½9.65 - 11.2 ksi-in½KIC for hot-pressed structural grades
Shear Modulus 135 GPa19600 ksitypical Be
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000420 ohm-cm0.00000420 ohm-cmtypical Be
Magnetic Susceptibility -1.00e-6-1.00e-6cgs/g (typical Be)
Critical Superconducting Temperature 0.0260 K0.0260 Ktypical Be
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 1133 J/g487.4 BTU/lbtypical Be
CTE, linear  11.4 µm/m-°C
@Temperature 25.0 °C
6.33 µin/in-°F
@Temperature 77.0 °F
 14.5 µm/m-°C
@Temperature 25.0 - 300 °C
8.06 µin/in-°F
@Temperature 77.0 - 572 °F
typical Be value
 16.5 µm/m-°C
@Temperature 25.0 - 600 °C
9.17 µin/in-°F
@Temperature 77.0 - 1110 °F
typical Be value
 18.4 µm/m-°C
@Temperature 25.0 - 1000 °C
10.2 µin/in-°F
@Temperature 77.0 - 1830 °F
typical Be value
Specific Heat Capacity 1.925 J/g-°C0.4601 BTU/lb-°F
Thermal Conductivity 216.3 W/m-K1501 BTU-in/hr-ft²-°F
Melting Point <= 1185 °C<= 2165 °F
Liquidus 1185 °C2165 °F
Boiling Point 2471 °C4480 °F
 
Optical PropertiesMetricEnglishComments
Emissivity (0-1) 0.610.61typical Be; 650 nm
Reflection Coefficient, Visible (0-1) 0.500.50typical Be: 50% visible; 55% UV; 98% IR (10.6 µm)
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al <= 0.10 %<= 0.10 %
BeO <= 1.5 %<= 1.5 %
Beryllium, Be >= 98.5 %>= 98.5 %
Carbon, C <= 0.15 %<= 0.15 %
Iron, Fe <= 0.13 %<= 0.13 %
Magnesium, Mg <= 0.080 %<= 0.080 %
Other, each <= 0.040 %<= 0.040 %
Silicon, Si <= 0.060 %<= 0.060 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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MBES20 / 10292

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