BS 4175-2:1970被替代
Method for Rockwell superficial hardness test (N and T scales). Verification of the testing machine
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 4175-2:1970
發布時間：1970/2/27 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
Direct and indirect verification, routine checks. Calibration of standard superficial hardness blocks used for indirect verification, and requirements for standardizing machines.
標準備注
? British Standards Institution 2013
