tungsten copper alloy rod, composition 1.Cu+Ag>=99.90 2. P 0.004~0.012 3.Te 0.4~ 0.7 4.other<0.01% tungsten copper alloy rod, plate ,target,wire....................aluminium bronze,phosphor bronze,BeCu,composition 1.Cu+Ag ≥99.90 2. P 0.004~0.012 3.Te 0.4~ 0.74.other<0.01%