... 97 ,ASTMB 441-96 2.YS/T 334-1995 Wire of Beryllum Bronze With higher strength, hardness and elasticity, ... impacting, the beryllium bronze product is widely used for aviation, electronic, communication, machinery, oil, chemical, mobile and electrical applications, ... such as diaphragm, diaphragm capsule, ripple tube, spring washer, micro-engine brush and commutator, plug-in connections, switch, button, ...