Cast Steel Shot

 

Cast steel shot adopt advanced production technology of centrifugal atomization granulation, secondary quenching, secondary tempering, martensite and bainite. The products comply with SAEJ444 standards and have passed ISO9001 quality system certification. Products are mainly used in foundry, aerospace, military industry, ships, locomotives, automobiles, steel pipes, steel structures, machinery, mining, oil exploration, containers, stone processing, precision parts processing and other industries.

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Cast Steel Shot

Chemical Composition

 C

0.85-1.20%
Mn

0.35-1.20%
Si

0.40-1.20%
S

≤0.05%
P

≤0.05%

Hardness

(Measured under 500g load)

Standard: 40-50HRC（377-509HV）

Special: 52-56HRC（543-620HV）

Special: 56-60HRC（620-713HV）

Microstructure

Uniform tempered martensite, or uniform tempered martensite + dispersed carbides

Minimum Density

7.2g/㎡

 

 

Mesh

mm

Specification of Steel Shot (mm)

SS-2.5

SS-2.0

SS-1.7

SS-1.4

SS-1.2

SS-1.0

SS-0.8

SS-0.8

SS-0.5

SS-0.3

SS-0.2

7

2.800

All pass

 

 

 

 

 

 

 

 

 

 

8

2.360

 

All pass

 

 

 

 

 

 

 

 

 

10

2.000

85%min

 

All pass

All pass

 

 

 

 

 

 

 

12

1.700

97%min

85%min

 

5% max

All pass

 

 

 

 

 

 

14

1.400

 

97%min

85%min

 

5% max

All pass

 

 

 

 

 

16

1.180

 

 

97%min

85%min

 

5% max

All pass

 

 

 

 

18

1.000

 

 

 

96%min

85%min

 

5% max

All pass

 

 

 

20

0.850

 

 

 

 

96%min

85%min

 

10% max

All pass

 

 

25

0.710

 

 

 

 

 

96%min

85%min

 

10% max

 

 

30

0.600

 

 

 

 

 

 

95%min

85%min

 

All pass

 

35

0.500

 

 

 

 

 

 

 

97%min

85%min

10% max

 

40

0.425

 

 

 

 

 

 

 

 

97%min

 

All pass

45

0.355

 

 

 

 

 

 

 

 

 

80%min

10% max

50

0.300

 

 

 

 

 

 

 

 

 

90%min

 

80

0.180

 

 

 

 

 

 

 

 

 

 

80%min

120

0.125

 

 

 

 

 

 

 

 

 

 

90%min

200

0.075

 

 

 

 

 

 

 

 

 

 

 

325

0.045

 

 

 

 

 

 

 

 

 

 

 

SAE

S-780

S-660

S-550

S-420

S-390

S-330

S-280

S-230

S-170

S-110

S-70

 

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