Beryllium Bronze Alloy 1.QBe2,QBe1.9,QBe1.7 2.YS/T: 323-2002, C17200:ASTMB ,194-96. Beryllium ... capsule, ripple tube, spring washer, micro-engine brush and commutator, plug-in connections, switch, button, clock component, audio-part, high rank bearing ...