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Steel Shot

Chemical Composition

 

Chemical composition   C:0.8-1.20;Si:0.60-1.20;Mn:0.70-1.20;S:≤0.03;P:≤0.03
 Density  >7.3g/cm3
Hardness(± 3HRC) HRC40-45            HRC45-50          HRC50-60 
Microstructure: 

The microstructure should be uniformly tempered marten site with fine.
Well distributed carbides.Network carbides.Decarbonized surfaces.
Inclusions or quench cracks are undesirable. 

 

 

Specification:

 

 Number of
screen

 Standard
(mm)

Screw mesh
(inch) 

S1110 

 S930

 S780

 S660

 S550

S460 

 S390

S330 

 S280

S230 

S170 

 S110

 S70

SS340

 SS280

 SS240

 SS200

 SS170

SS140 

SS120 

SS100 

SS80 

SS70 

SS60 

 SS40

SS30 

4

4.75

0.178

 

 

 

 

 

 

 

 

 

 

 

 

 

5

4.00

0.157

0

 

 

 

 

 

 

 

 

 

 

 

 

6

3.35

0.132

-

0

 

 

 

 

 

 

 

 

 

 

 

7

2.8

0.111

≥90

-

0

 

 

 

 

 

 

 

 

 

 

8

2.36

0.0937

≥97

≥85

-

0

 

 

 

 

 

 

 

 

 

10

2.00

0.0787

 

≥97

≥85

-

0

0

 

 

 

 

 

 

 

12

1.70

0.0661

 

 

≥97

≥85

-

≤5

0

 

 

 

 

 

 

14

1.40

0.0555

 

 

 

≥97

≥85

-

≤5

0

 

 

 

 

 

16

1.18

0.0469

 

 

 

 

≥97

≥85

-

≤5

0

 

 

 

 

18

1.00

0.0394

 

 

 

 

 

≥97

≥85

-

≤5

0

 

 

 

20

0.850

0.0331

 

 

 

 

 

 

≥96

≥85

-

≤10

0

 

 

25

0.710

0.0278

 

 

 

 

 

 

 

≥96

≥85

-

≤10

 

 

30

0.600

0.0234

 

 

 

 

 

 

 

 

≥96

≥75

-

0

 

35

0.500

0.0197

 

 

 

 

 

 

 

 

 

≥97

-

≤10

 

40

0.425

0.0165

 

 

 

 

 

 

 

 

 

 

≥85

-

0

45

0.355

0.0139

 

 

 

 

 

 

 

 

 

 

≥97

-

≤10

50

0.300

0.0117

 

 

 

 

 

 

 

 

 

 

 

≥80

-

80

0.180

0.007

 

 

 

 

 

 

 

 

 

 

 

≥90

≥70

 120

 0.125

0.0047

 

 

 

 

 

 

 

 

 

 

 

 

≥90

SS-JIS S-SAE O-ALL pass The Figure in the square indicates the percentage allowed to remain on the screen.


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Address:NO.799 South Hubin Road, Siming, Xiamen, China
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