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2.1247

CuBe2

CuBe2 (2.1247) is a precipitation-[[glossary:haerten|hardening]] [[glossary:berylliumkupfer|beryllium copper]] with about 2 % [[glossary:beryllium|beryllium]]. It combines the [[glossary:haerte|hardness]] of steel with the electrical conductivity of [[element:Cu|copper]] — the material for springs, contact pins, and spark-free tools. Typical analysis: 1.8–2.0 % Be, 0.2–0.6 % Co+Ni, balance Cu.

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