Item Description: steel grits, grade- g 25, ( 0. 70 mm ). specification:- grain size analysis: shots as per is 4606 [ sa ej827/ j444 ], chemical analysis: carbon; 0. 85- 1. 20 %, manganese: 0. 60- 1. 20 %, silicon: min- 0. 40 %, phosph orus: 0. 05 % max, sulphur: 0. 05 %, max, av. hardness: 40- 50 rc ( 350- 520 hv ). mean hardness deviation: + 2h rc + 30hv, typical microstructure: tempered, martensite and bainite min density: shall not weight less than 7 gm per c.c nor contain more than 10 % hollows. [ warranty period: 30 months after the date of delivery ]

Kolkata, West Bengal, India