SR-200 Beryllium Structural grades

Alternative and trade names
SR-200
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Description

SR-200 - sheet beryllium metal manufactured by warm rolling billets of vacuum hot-pressed block. It is often selected by designers seeking high-performance heat sinks and structural supports in military electronic and avionics systems and is well suited for satellite structures as a hot-formed material.

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

Dimension

PropertyValueComment

Length

1830 mm

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max.

Thickness

0.5 - 6.25 mm

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Width

610 mm

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max.

Mechanical

PropertyTemperatureValue

Elongation

23.0 °C

10 %

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Tensile strength

23.0 °C

483 MPa

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Yield strength Rp0.2

23.0 °C

345 MPa

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Chemical properties

PropertyValueComment

Aluminium

0.16 %

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max.

Beryllium

98 %

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min., BeO: 2% max

Carbon

0.15 %

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max.

Iron

0.18 %

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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

0.08 %

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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

The standard condition of sheet shall be hot rolled, ground, stress relieved and etched. Rework of local areas may be performed within tolerances established by this specification. Surface finish shall be 63 microinches rms or finer.