Page 110 - PRODUCT CATALOGUE_with background music

Chemical composition of standard grades
Carbon Steels
% Chemical Compositon
IS 10748 Gr 1 0.10 0.50 - 0.040 0.040 0.02 - - - - - Al Killed
max max min
Gr 2 0.12 0.60 - 0.040 0.040 0.02 - - - - - Al Killed
max max min
Gr 3 0.16 1.20 - 0.040 0.040 - - - - - - Killed
max max
Gr 4 0.20 1.30 - 0.040 0.040 - - - - - - Killed
max max
Gr 5 0.25 1.30 - 0.040 0.040 - - - - - - Killed
max max
IRS M41-97/ 0.1 0.25- 0.30- 0.075- 0.03 0.35- 0.20- 0.30- - 0.05 Killed
SAIL COR 0.45 0.60 0.03 0.14 max 0.50 0.47 0.60
SAILMA 350/350 Hi 0.20 1.65 0.45 0.045 0.040 0.02 - - - - - Killed
max max max min
410/410 Hi 0.20 1.65 0.45 0.045 0.040 0.02 - - - - - Killed
max max max min
450/450 Hi 0.20 1.65 0.45 0.045 0.040 0.02 - - - - - Killed
max max max min
Killed :
- If steel is killed by Al alone the Al level shall be minimum 0.02%.
- If steel is killed by Si-Al. Al shall be minimum 0.01% and silicon level shall be 0.03% min.
- If steel is killed silicon aone, Si level shall be 0.10% min.

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