
Methods for hardness test (Rockwell method) and for verification of hardness testing machines (Rockwell method)
出版:British Standards Institution

專(zhuān)家解讀視頻
Method for determining hardness of metals at room temperature and methods for direct and indirect verification of testing machines.
? British Standards Institution 2013
Replaced by notes:
Replaced by Parts 1 to 3 of BS EN 10109.