Bureau of Indian Standards. Method for rockwell hardness test for metallic material: Scale Method for rockwell hardness test for metallic material: Scale A-B-C-D-E-F-G-H 15N, 30N, 45N, 15T and 45T (IS : 1586-2000) - New Delhi Bureau of Indian Standards 2000 ISBN: 0 Subjects--Topical Terms: Indian Standards - Metallurgy. Dewey Class. No.: 1586-2000 / BUR