Yong Wei mold steel _SKH-9 HSS _SKH-9 provided by Yong Wei steel mold. We are a steel mold, Dongguan City, An Yongwei shop (www.dgyongwei.com) located at: Dongguan specializes in: steel mold, Dongguan Yong Wei Abrasives Steel Co., Ltd. is specialized in all kinds of abrasives products and Chongqing resin grinding wheel, production and marketing enterprises. My company is located in Chongqing Hechuan Qiantang Industrial Park SKH-9 high-speed steel, high-speed Qiantang Yu Wu export, and convenient transportation. Has nearly ten thousand square meters of production base, has a specialized technical team abrasives production and research, with advanced production equipment, testing equipment and strict production and quality control methods and process management system, strong sales and service protection Hitachi SKH-9, to provide customers with products and services. Said ordinary abrasive abrasive characteristics of the project are: the shape, size abrasive, grain size, hardness, organizations and bonded abrasives abrasive hardness refers to the external force, the degree of difficulty from the abrasive surface shedding SKH-9 , which reflects the strength of the binding agent holding the abrasive grains depends on the hardness of the binding agent and the addition amount of the number density of the abrasive, the abrasive grains easily fall off said low-hardness abrasive; contrary SKH-9 price, said hardness high hardness level of abrasive hardness measurement methods are 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., compared Commonly used hand cone, mechanical cone method, Rockwell hardness measurement method and blasting hardness assay.