... 196M-97 ,ASTMB 441-96 2.YS/T 334-1995 high quality beryllium copper wire With higher strength, hardness and elasticity, ... standing property, better electricity and heating conduction, and, property of non-magnetism and non-sparkling while impacting, the beryllium ... and parts, such as diaphragm, diaphragm capsule, ripple tube, spring washer, micro-engine brush and commutator, plug-in connections, switch ...