BIS IS 7291 : 1981(R2014)

0 FOREWORD
1 SCOPE
2 TERMINOLOGY
3 SUPPLY OF MATERIAL
4 MANUFACTURE
5 CHEMICAL COMPOSITION
6 HEAT TREATMENT
7 HARDNESS
8 MACRO-STRUCTURE
9 SURFACE DECARBURIZATION
10 CARBIDE FORM AND DISTRIBUTION
   (ANNEALED MICROSTRUCTURE)
11 GRAIN SIZE
12 DIMENSIONAL TOLERANCES
13 SAMPLING
14 RETESTS
15 ADDITIONAL TESTS
16 FINISH
17 PACKING
18 MARKING
APPENDIX A - PARTICULARS TO BE FURNISHED
             BY THE PURCHASER WHILE PLACING
             ORDER
APPENDIX B - RECOMMENDED HEAT-TREATMENT
             FOR INDIAN STANDARD HIGH SPEED
             TOOL STEEL
APPENDIX C - INFORMATION ON CORRESPONDING
             FOREIGN STANDARDS

Defines the requirements for high speed tool steels in the following forms: - Forged shapes; - Billets; - Bars - round, square, hexagonal or octagonal; - Drill rods - round, square or rectangular; - Flats; - Strip in coils; and - Sheets in cut lengths.