Yong Wei steel mold (Dongguan) Co. _SKD7 supplier _SKD7 provided by Yong Wei steel mold (Dongguan) Limited. We are a steel mold, Dongguan City, An Yongwei shop (www.dgyongwei.com) located at: Dongguan specializes in: mold steel, DC53, SKD11.SUS440C, SUS420 said ordinary abrasive abrasive characteristics of the project are: the shape, size, abrasive , particle size, hardness, structure, and binding agents. hardness abrasive grains in the external force that Guangdong SKD7, from the ease of shedding of the abrasive surface, which reflects the strength of the bond holding the abrasive grains. hardness abrasive main depending on the amount of binding agent number and density of abrasive grit off easily, said low abrasive hardness; conversely, indicates a high level of hardness hardness generally divided into super-soft, soft, soft, medium, medium-hard, hard. and superhard seven level, from these levels can be subdivided in a number of small magnitude. method for the determination of abrasive hardness SKD7, more commonly used hand cone, mechanical cone method, Rockwell hardness measurement method and sandblasting hardness measurement method. Mostly due to the lack of consequences of innovation SKD7 wholesalers, large foreign companies copied the design and foreign brands, domestic brands and copying each other, but can only be copied from foreign brand appearance and design, quality, and there is no supply of foreign brands less reliable SKD7 providers, the same type of product brands on the domestic market countless little difference between the overall quality and appearance, if only by copying, rather than focus on its own brand of product design innovation, improve quality, it is difficult to Win in many brands in the market.