BUREAU OF INDIAN STA INDIAN STANDARD SCHEDULES FOR WROUGHT STEELS : PART 6 CARBON AND ALLOY STEELS. IS 1570 ( PART 6 ) 19 - 1st rev. ed. 1996 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 4 Subjects--Topical Terms: WROUGHT STEELS Dewey Class. No.: 620.17.17 / BUR