... resistance.Good nuclear properties.High temperature,low density,resistance gravity,2.52g/cm3, smelting point, 2450Centigrade.For its ... speed steel, but also cutting tools for hard metal; wire drawing dies, abrasive tools with high abrasive and wear ... etc, the models and dies of ceramic tools, evaporating boat and parts of precision tools, etc. Chemical DataTotal BoronFree BoronBoron AnhydrideBoron ...