S-200-F Beryllium Structural grades

Alternative and trade names
S-200-F
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Description

Vacuum hot pressed 98.5% beryllium. S-200-F is used as an optical substrate and support bench in numerous astronomical telescopes, fire control and FLIR systems, and spacecraft and weather satellites.

Related Standards

This material data has been provided by Materion Brush GmbH.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyTemperatureValueComment

Bulk density

23.0 °C

1.84 g/cm³

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for BeO amount of 1.5%

Grain size

20 μm

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max.

Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

290 GPa

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Elongation

23.0 °C

2 %

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Fatigue strength

23.0 °C

262 MPa

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Tensile strength

23.0 °C

324 MPa

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Yield strength Rp0.2

23.0 °C

241 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.13E-5 1/K

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Specific heat capacity

23.0 °C

1950 J/(kg·K)

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Thermal conductivity

23.0 °C

216 W/(m·K)

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Electrical

PropertyValue

Specific Electrical conductivity

45 % IACS

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Chemical properties

PropertyValueComment

Aluminium

0.1 %

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max.

Beryllium

98.5 %

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min., BeO: 1.5% max

Carbon

0.15 %

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max.

Iron

0.13 %

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max.

Magnesium

0.08 %

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max.

Other

0.04 %

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max., other metallic impurities each

Silicon

0.06 %

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max.

Technological properties

Property
Application areas

Intelligence, surveillance and reconnaissance (ISR) systems, Electro-optical infrared (EO/IR) & targeting systems, Airborne early warning & control systems (AEW&C), Surveillance, reconnaissance and targeting (SRT), Size, weight and power (SWaP) replacement systems, Semiconductor capital equipment, Space-based systems and components, James Webb Space Telescope support structure

Processing history

This standard grade is to be produced through the consolidation of beryllium powder by vacuum hot pressing. Parts and shapes are machined from the vacuum hot pressed material.