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Development history of cemented carbide
Since the German Karl Schroter developed WC-Co cemented carbide by powder metallurgy in 1923, and Krupp (Krupp) Company began large-scale production of WC-Co cemented carbide called "WIDIA" in 1926, cemented carbide has emerged as a new industry in the world industry.
Development history of cemented carbide
Since the German Karl Schroter developed WC-Co cemented carbide by powder metallurgy in 1923, and Krupp (Krupp) Company began large-scale production of WC-Co cemented carbide called "WIDIA" in 1926, cemented carbide has emerged as a new industry in the world industry. After more than 80 years of development, the production technology, output and application scope of the world's cemented carbide industry have been greatly developed, and the scale and variety have been continuously expanded, and some world-renowned multinational production and operation enterprises have been formed, such as Sweden's Sandvik Group, Kenna metal Company of the United States, Iscar of Israel, Mitsubishi Materials and Toshiba Tungalloy Company of Japan and Zhuzhou Changjiang Cemented Carbide Tools Co., Ltd. of China. At present, the output value of the hard alloy industry in the world has reached more than 10 billion US dollars, and the production and sales volume is estimated to be about 38000 t, accounting for 60% of the world's tungsten consumption.
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