STEEL SHOTCHEMICAL COMPOSITIONThe finished shot shall have the chemicalcompositions as follows: Carbon 0 85 - 1 20
The finished shot shall have the chemical
compositions as follows:
Carbon 0.85 - 1.20 %
Silicon 0.40 - 1.50 %
Manganese 0.35 - 1.20 %
Phosphorus < 0.05%
Sulfur < 0.05%
The hardness of 90% of all shot particles shall be
within the range of 40-50 HRc. (Rockwell C)
The microstructure of steel shot shall be uniform martensite,
tempered to a degree consistent with the hardness range,
with fine,well distributed carbides, if any.
The steel shot shall be as nearly spherical as
commercially possible and no more 20% of the
shot particles shall have objectionable defects.
The density of steel grit shall be not less than 7.4 g/cc.
Blast cleaning of large steel & iron castings.
Blast cleaning of large and medium steel & iron castings.
Blast cleaning of medium and small steel & iron castings descaling and peening of forgings and plates.
Blast cleaning of small and precision castings, descaling and peening of medium thin sheets.
Blast cleaning of stainless steel, thin sheets, non ferous castings.