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Hardfacing composition for earth-boring bits using macrocrystalline tungsten carbide and spherical cast carbide
Hardfacing composition for earth-boring bits using macrocrystalline tungsten carbide and spherical cast carbide
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机译:用大晶碳化钨和球形铸造碳化物对钻头进行堆焊的成分
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摘要
A hardfacing composition for an earth-boring bit has a quantity macrocrystalline tungsten carbide particles and a quantity of spherical cast tungsten carbide pellets. The particles and pellets are contained within a metal matrix which forms the balance of the composition.
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