Products

            Steel Grit

Chemical

Composition

    C 

            0.70-1.20%

    Mn

            0.35-1.20%

    Si

            0.40-1.20%

    S

               ≤0.05%

    P

               ≤0.05%

Microhardness

       GP:42-50HRC(399-509HV)

       GP:56-60HRC(620-713HV)

       GP:63-66HRC(795-889HV)

Hardness Deviation

      Max Deviation ± f3.0HRC

Microstructure

      Tempered Martensite or Sorbite

        Density

              7.4g/cm3

Shot Grade

Approximate
Size

Finish

Applications

S-70

0.007"

Fine, smooth shot finish. Excellent coverage.

Blasting of relatively small ferrous and non-ferrous castings. Removal of light scale from foreign and heat treated parts. Blasting of machined parts. Removal of mill scale, rust and other deposits.

S-110

0.011"

S-170

0.017"

S-230

0.023"

Medium, light shot finish. Good coverage.

Blasting of grey iron, malleable iron, light steel castings, medium forgings, heat-treated parts and heavy mill scale - rust and other deposits.

S-280

0.028"

S-330

0.033"

S-390

0.039"

Average to heavy shot finish. Average coverage.

Blasting of steel, heavy malleable iron and grey iron castings. Removal of scale from large billets, slabs - rust and other deposits.

S-460

0.046"

S-550

0.055"

S-660

0.066"

Rough coverage. Adequate for most applications.

Heavy steel castings. Removal of tough, heavy scale.