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CHEMICAL COMPOSITION The finished grit shall have the chemical compositions as follows :
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Standard Hardness The steel grit is manufactured by crushing the fully hardened shot to granular grit form, screening and tempered to three different hardness range as follow :
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Microstructure The microstructure of steel grit shall be uniform martensite, tempered to a degree consistent with the hardness range, with fine,well distributed carbides, if any. Density The density of steel grit shall be not less than 7.4 g/cc. |
SIZE | CODE | APPLICATION |
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G-12 G-14 G-16 |
GH-20 GH-17 GH-14 |
Blast cleaning of large medium steel & iron castings. |
G-18 G-25 G-40 |
GH-12 GH-10 GH-7 |
Granite cutting, Blast cleaning of castings,etching of rolls, cleaning of structure steels. |
G-50 G-80 G-120 |
GH-4 GH-3 GH-2 |
Cleaning of non-ferous casting and structure steels. |