Item

GP Steel Grit

GL Steel Grit

GH Steel Grit

Chenical
Composition

C

0.85-1.20%

Si

0.40-1.20%

Mn

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

S

≤0.05%

P

≤0.05%

Hardness

HRC 46-50

HRC 56-60

HRC 63-65

Microstructure

Homogeneous tempered Martensite or Troostite

Density

≥7.40g/cm3

External Form

Angular(Spherical/Semi-spherical/Flat granules<10%)

Screen

Size

No.

mm

G10

G12

G14

G16

G18

G25

G40

G50

G80

G120

7

2.80

0

8

2.36

0

10

2.00

≥80%

0

12

1.70

≥90%

≥80%

0

14

1.40

≥90%

≥80%

0

16

1.18

≥90%

≥75%

0

18

1.00

≥85%

≥75%

0

20

0.850

25

0.710

≥85%

≥70%

0

30

0.600

35

0.500

40

0.425

≥80%

≥70%

0

50

0.300

≥80%

≥65%

0

80

0.180

≥75%

≥65%

120

0.125

≥75%

≥60%

200

0.075

≥70%