Cast Steel Grit

 

Cast steel grit 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 Grit

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)

GP: 42-50HRC（399-509HV）

GL: 56-60HRC（620-713HV）

GH: 63-66HRC（795-889HV）

Microstructure

Uniform tempered martensite, or uniform tempered martensite + dispersed carbides

Minimum Density

7.2g/㎡

 

Specification of Steel Grit (mm)
Mesh mm                    
7

2.800

All pass

                  
8

2.360

  

All pass

                
10

2.000

80%min

  

All pass

 

            
12 1.700

90%min

80%min

  

All pass

 

          
14 1.400  

90%min

80%min

  

All pass

 

        
16 1.180    

90%min

75%min

  

All pass

 

      
18 1.000      

85%min

75%min

  

All pass

 

    
20 0.850        

 

 

  

All pass

 

  
25 0.710        

85%min

70%min

 

  

 

  
30 0.600            

 

 

  

 
35 0.500          

80%min

  

 

All pass

 
40 0.425            

70%min

  

 

  
45 0.355              

65%min

  

All pass
50 0.300            

80%min

75%min

65%min

 
80 0.180                

75%min

  
120 0.125                  

60%min
200 0.075                  

70%min
325 0.045                    
SAE

G-10

G-12

G-14

G-16

G-18

G-25

G-40

G-50

G-80

G-120

 

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