BS 891(1989) : 1989被替代
METHODS FOR HARDNESS TEST (ROCKWELL METHOD) AND FOR VERIFICATION OF HARDNESS TESTING MACHINES (ROCKWELL METHOD)
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 891(1989) : 1989
发布时间：1989/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：20
标准简介
Explains a method of test for determining the Rockwell hardness of metals at room temperature. Methods are described for direct and indirect verification of the accuracy of a machine for testing Rockwell hardness.
等同采用的国际标准
ISO 716 : 1986 - Similar to
