目前世界上已有五十多个国家生产硬质合金，生产总量约２９万ｔ，产量较高的几个主要国家有独联体、美国、瑞典和日本等。最近十几年来，国外一般硬质合金的生产有逐年减少的趋势，但在可预见的相当长时期内，硬质合金作为刀具材料仍然大有可为，只不过它的内部构成比例... At present, there are more than 50 countries in the world producing cemented carbide with a total output of about 29,000 tons. Several major countries with higher output include the Commonwealth of Independent States, the United States, Sweden and Japan. In the recent ten years, the production of foreign common cemented carbide has been decreasing year by year, but cemented carbide still has great potential as a tool material for quite a long time, but its internal composition proportion ...