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
專家解讀視頻
基本信息
標準編號： BS 891(1989) : 1989
發布時間：1989/1/1 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：20
標準簡介
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.
等同采用的國際標準
ISO 716 : 1986 - Similar to
