a. Spherical Form

Typical Analysis(%),according to SAE J827

C

MN

P

S

Si

0.85-1.2

0.6-1.2

0.05Max.

0.05Max.

0.4-1.5

Hardness: =40/50 HRC

Apparent Density =3.2-3.8 gr/cm³

Teoric Specific Weight =7.3

Sizes: S-780,S-660;S-550; S-460; S-390;S-330; S-280; S-230;S-170;S-110;S-70

b.Angular Form

Typical Analysis(%),according to SAE J827

C

MN

P

S

Si

0.85-1.2

0.6-1.2

0.05Max.

0.05Max.

0.4-1.5

Hardness: =SG 40/50; MG50/55; LG55/60; HG＞60 IN  HRC

Apparent Density =3.2-3.8 gr/cm³

Teoric Specific Weight =7.3

Sizes: G-12; G-14;G-16;G-18;G-25;G-40;G-50;G-80