ISO 9001 · EN 9100 certified EN 10204 3.1 MTC · 30+ years
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Specialty & Pure Nickel · Specialty family

Precision alloy 4J42, certified and in stock.

UNS K94100 — The glass-sealing alloy for hermetic electronic packages.

EN 10204 3.1 MTC 24h quote SLA
K94100UNS
Precision alloy 4J42 Specialty alloy — TrueGrade Metals
UNS K94100
Material data

Precision alloy 4J42 — properties at a glance.

Nominal published values, annealed condition. Certified heat lots ship with actual MTC values.

PropertyValue
UNS numberK94100
FamilySpecialty & Pure Nickel
Nominal chemistryNi ~42% · Fe bal.
Density8.12 g/cm³
Characteristics

What Precision alloy 4J42 does best.

Applications

Where Precision alloy 4J42 works.

Glass-to-metal seals

Electronic packaging

Lead frames

Availability

Forms we supply in Precision alloy 4J42.

All forms consolidated into one PO with matching heats and one MTC package.

Related grades
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