BS 427(1990) : 1990被替代
METHOD FOR VICKERS HARDNESS TEST AND FOR VERIFICATION OF VICKERS HARDNESS TESTING MACHINES
出版：British Standards Institution
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基本信息
标准编号： BS 427(1990) : 1990
发布时间：1990/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：56
标准简介
Describes a method of test for determining the Vickers hardness of metals in the scale ranges HV 1 to HV 100 at room temperature for hardness values between 5 and 3000 HV. Direct and indirect methods of verification are given. Covers convex spherical surfaces, concave spherical surfaces, convex cylindrical surfaces, and concave cylindrical surfaces.
