Name

Steel shot

GP steel grit

GL steel grit

GH steel grit

Chemical composition

Carbon

0.85-1.20%

Silicon

0.40-1.20%

Manganese

0.60-1.20(S170:0.50-1.20S110,S70:0.35-1.20)%

Sulphur

≤ 0.05%

Phosphorus

≤ 0.05%

Hardness

HRC40-50

HRC46-50

HRC56-60

HRC63-65

Metallographic structure

Homogeneously tempered martensite or troostite

Density

≥7.20g/cm³

≥7.40g/cm³

Appearance

Round spherical

Hollow particles <10%

Polygonal

Spherical, hemispherical and flat particles <10%