... treatment High specific gravity alloy productThe high proportion of material is an alloy of tungsten to the matrix (W content 85-99%), and add ... -Co, WC-Cu-W, W-Ag, and other major series, the density of up to 16 .5-19.0g/cm3, was called ... good solderability and machining. Given the high proportion of the above alloy outstanding feature, and it is widely used in the aerospace, aviation, military, oil ...