Glass Sealing Alloy Spooled Wire (Fe54/Ni29/Co17)

Formula: Fe 54/Ni 29/Co 17

Form: Wire

Material: Glass Sealing Alloy

Commodity: Alloys

Hazard Pictogram: GHS07, GHS08

Glass Sealing Alloy Spooled Wire (Fe54/Ni29/Co17) is a product within Goodfellow's extensive range of wires. With 116 variations, this wire provides a diverse selection of alloys optimized for creating high-quality seals between glasses or ceramics. The wires are commonly used in scientific glass apparatus construction like vacuum tubes or high-pressure vessels. Industrial applications include sealing elements like light bulbs or cathode ray tubes where maintaining an airtight seal is critical for product performance and safety. The wide alloy selection allows matching the coefficient of thermal expansion between the glass and wire for reliable sealing across a broad temperature range.

Wishlist

Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	30
Modulus of elasticity( GPa )	207
Tensile strength( MPa )	510-520

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	48.9
Temperature coefficient( K⁻¹ )	0.0037

Magnetic Properties

Element	Value
Curie temperature( C )	435

Thermal Properties

Element	Value
Melting point( C )	1450
Specific heat( J K⁻¹ kg⁻¹ )	439@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	17.3@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	4.81@20-200°C