Precision Alloys | Kovar, Invar, Soft Magnetic Supplier

Precision Alloys

Functional alloys selected for a controlled physical property - magnetic permeability, thermal expansion or elastic modulus - rather than bulk strength.

Alloy Series

ASTM F15 · F1684 · GB/T 14986

1J50 - Soft Magnetic

High permeability, low coercivity

1J22 - HiperCo 50

Highest saturation induction

4J29 - Kovar

Glass-to-metal seal standard

4J36 - Invar 36

Near-zero thermal expansion

3J21 - Elastic Alloy

High elastic limit, fatigue resistant

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