... -97 ,ASTMB 441-96 2.YS/T 334-1995 high quality beryllium copper wire With higher strength, hardness and elasticity, ... oil, chemical, mobile and electrical applications, to make important key components and parts, such as diaphragm, diaphragm capsule, ripple ... micro-engine brush and commutator, plug-in connections, switch, button, clock component, audio-part, high rank bearing, gear, mobile electrical ...