95WNIFE tungsten rivet block price which density is 18.0g/cm3 is 380.00USD/PC on Nov. 30, 2018. Tungsten rivet block is made of tungsten alloy materials that have two-phase composites consisting of W-Ni- Fe or W-Ni- Cu or even W-Ni-Cu-Fe, some tungsten alloy also contain Co、Mo、Cr, etc. They have very high melting point and have a density twice that of steel and are more than 50% heavier than lead. Tungsten content in conventional heavy alloys varies from 90% to 97% .This high tungsten phase content is the reason for their high density.

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