Data Sheet: Lamp Components And Alloys


Learn more about each nickel speciality alloy

  • Glass-to-Metal Seal Alloys

Glass-to-Metal Seal Alloys: JLC 486 / NiFe51

These alloys are for special glass to metal sealing applications in lighting, automotive, and electronic industries.

JLC 486 Alloy, also known as NiFe47Cr6 is used as single lead in compact fluoroscent lamps (CFL), as lead-in-wires for lamps, and insemiconductor devices.

NiFe51 Alloy is used as the single lead in CFLs for making electrical connection and glass sealing. It is also used for reed switches, spark application in air bags, battery connections, gas measurement sensors and in opto-electronics. Other variations of this alloy are also available. Please contact JLC for more details.

Specifications

Alloy ASTM standard Werkstoff Nr DIN No.
JLC 486 - 2.4486 17745
NiFe51 F30 2.4478 17745

Nominal Chemical Composition (%)

Alloy Ni Mn Si Cr Fe
JLC 486 Min 47.0 Max 0.50 Max 0.30 5.5 - 6.5 Balance
NiFe51 47 - 52 Max 0.50 Max 0.30 - Balance

Physical Properties (at room temperature)

Alloy Density Thermal Conductivity Electrical Resistivity
at 20°C
g/cm³ W/m K µΩ-cm
JLC 486 8.2 14.00 85
NiFe51 8.25 17.00 43

Mechanical Properties (at room temperature)

Alloy Tensile strength
N/mm²
Elongation
% at L0=100 mm
Min Max Min Max
JLC 486 400 600 25 35
NiFe51 400 600 25 35

Mean Coefficient of Thermal Expansion (10-6/K)

Alloy Temperature Range (°C)
20-100 20-200 20-300 20-400 20-500 20-600
JLC 486 9.2 9.2 9.3 10.4 11.6 12.5
NiFe51 10.3 10.2 10.1 9.9 10.0 10.9

Size Range

Form Dia Width Thickness
mm mm mm
Wire 0.3 - 1.5 - -

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Nickel-Copper Alloys:

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Nickel-Chromium Alloys:

Iron-Chrome-Aluminum Alloys

Nickel Chrome Iron Alloys Low Resistance & Shunt Alloys

Cu-Ni Low Resistance Alloys:

Cu-Mn-Ni Alloys:

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Extension and Compensating Grade Alloys:

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  • Ni30Fe
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  • SMA 48 (Ni48Fe)
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  • SMA 80 (Ni80Mo5Fe)
Controlled Expansion Alloys
Dumet Wires
Clad Wires
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