Hot news. b4c boron carbide ceramic disc wholesaler; hot sale solid polished hard metal carbide rods; oem bearing b4c boron carbide ring; china cemented carbide car tire studs snow nails; cheap price g10 tungsten carbide pen ball for sale; punch and die carbide dies ejector pin dealer; china custom tungsten carbide cutter blade The composition ranges from b4c at 78.25 wt% boron to at least b6.5c at 85.4 wt% boron. production of boron carbide . commercial boron carbide is produced by reacting and fusing boric oxide and carbon, in an electric arc furnace. b4c does not melt congruently, therefore the liquid in contact with the boron carbide, does not have the same ... Alibaba offers 7,075 china boron carbide products. about 14% of these are other metals & metal products, 8% are abrasives, and 4% are tool parts. a wide variety of china boron carbide options are available to you, such as internal turning tool, u2026 Boron carbide b4c for making nozzle jet,sealing ring,bearing , find complete details about boron carbide b4c for making nozzle jet,sealing ring,bearing,boron carbide nozzle jet,boron carbide b4c sealing ring,boron carbide b4c bearing from abrasives supplier or manufacturer-zhengzhou haixu abrasives co., ltd.