Indian standard : method for rockwell hardness test for metallic material (scales A-B-C-D-E-F-G-H-K ) 

 -  Bureau of Indian standards  New Delhi  1989 
 - 7p. 
<br/><br/> IS : 1586 - 1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indian Standard<br/>Rockwell hardness test