BS 4175:1989被替代
Methods for superficial hardness test (Rockwell method) and for verification of superficial 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 4175:1989
發(fā)布時間：1989/7/31 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數(shù)：20
標準簡介
Method of test for metals at room temperature. Also, methods for direct and indirect verification of the accuracy of a testing machine.
標準備注
? British Standards Institution 2013
Replaced by notes:
Replaced by Parts 1 to 3 of BS EN 10109:1996.
