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Tool materials include a wide range of materials from the general carbon structural steel, alloy structural steel, carbon tool steel, alloy tool steel, high-speed tool steel, stainless steel, maraging steel to hard alloy, High-temperature alloys, non-ferrous metals can be used, which is mainly alloy steel mold steel. With the development of China's mold industry, the mold material quantity, quality, variety and performance aspects of a higher new requirements, mold material market has also been rapid development.
China's mold material production needs behind the mold industry, mainly in several aspects:
⑴, sales channels are not smooth.
⑵, black round bar, flat steel, concentrate, after the pre-hardened materials and products, less standard parts. 80% of the mold steel market in China is a black round bar, the user to get the material after their own forging reform, material utilization is low, long production cycle, can not meet the needs of mold manufacturing.
⑶, the general quality of the mold steel, high-quality mold steel less, a considerable part of the high requirements of the mold steel need to go through vacuum refining and electroslag remelting, some foreign companies more than 150mm cross-section of the mold steel, Remelting, in order to ensure high purity steel, high density, high to the sex, and China through the ESR die steel share of the small.