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Dragon Abrasives Group Limited

Add: 265# Anshanxi Street, Core Mall Times International Department, Nankai District, Tianjin, 300192 China

Fax: +86-22-87899537

Mob: +8613622002228

Tel: +86-22-87899539

E-mail: info@abrasives.asia

Web: http://www.abrasivesasia.com

Steel And Metal Media

Steel Shot and Grit

Steel Shots & Grits, supplied by Dragon Abrasives, with moderate hardness, excellent elasticity, wear-resistant, give less dust, longer recycle life, time- and cost- saving, are commonly used for shot peening to give residual stress in the surface layer of components for fatigue life...


Steel Shots & Grits, supplied by Dragon Abrasives, with moderate hardness, excellent elasticity, wear-resistant, give less dust, longer recycle life, time- and cost- saving, are commonly used for shot peening to give residual stress in the surface layer of components for fatigue life enhancement and suppression of stress corrosion cracking and descaling and cleaning up surfaces of castings, steel parts and mechanical work-pieces prior coating. They are also extremely ideal materials for cutting granite.


Applications

Steel Shots

Steel Grits

Applications

SS-2.5
22-2.0

SG-2.5
SG-2.0

Removing sand, descaling,for large-size of  castings, forging, heat-treated workpieces, steel structure.

SS-1.7
SS-1.4

SG-1.7
SG-1.4
SG-1.2

Removing sand, descaling,intensification for large-size and middle-size of castings, forging, heat-treated workpieces,  steel plate, steel structure,

SS-1.2
SS-1.0

SG-1.0
SG-0.7

Removing sand, descaling,intensification for small-size and middle-size of castings, forging, heat-treated workpieces, aluminium-copper alloy castings, steel plate, trip steel, steel pipes.

SS-0.8
SS-0.6

SG-1.0
SG-0.7

Removing sand, descaling,intensification for small-size of  castings, forging, heat-treated workpieces, aluminium-copper alloy castings, steel plate, trip steel, steel pipes, springs and chains. Grinding processing 

SS-0.5
SS-0.3

SG-0.4
SG-0.3

Removing sand, rust, descalling, intensification, improving roughness and adhesiveness for small-size of alloy castings, thin steel plate, trip steel, stainless steel , springs.


Chemical-Physical Characteristics

Item

Steel Shots

Steel Grits

Hardness  ±3HRC

40-50

GP

GL

GH

42-45

56-60 63-65

Specify gravity

7.2g/cm3

Metallographic Struture

Even Tempered Martensite

Chemical composition,%

C: 0.85 – 1.20;  
Mn: 0.60 - 1.20; 
Si: 0.40 – 1.20;  
S: 0.05;  
P: 0.05.


SS Steel Shots Size Distribution

SCREEN NUMBER

SIZE
     (mm)

SS-2.5

SS-2.0

SS-1.7

SS-1.4

SS-1.2

SS-1.0

SS-0.8

SS-0.6

SS-0.5

SS-0.3

SS-0.2

7

2.80

0

 










8

2.36

 

0










10

2.0

≥85%

 

0

0








12

1.70

≥97%

≥85%

 

≤5%

0







14

1.40


≥97%

≥85%

 

≤5%

0






16

1.18



≥97%

≥85%

 

≤5%

0

 




18

1.00




≥96%

≥85%

 

≤5%

0




20

0.850




 

 

≥85%


≤10%

0



25

0.710





≥96%

≥96%

≥85%

 

≤10%



30

0.600






 

≥96%

≥85%


0


35

0.500






 


≥96%


≤10%


40

0.425






 


 

≥85%

 

0

45

0.355








 

≥97%


≤10%

50

0.300








 

 

≥80%

 

80

0.180









 

≥90%

≥80%

120

0.125










 

≥90%

200

0.075











 

SAE

S780

S660

S550

S460

S390

S330

S280

S230

S170

S110

S070


SG Steel Grits Size Distribution

SCREEN NUMBER

SIZE
     (mm)

SG-2.5

SG-2.0

SG-1.7

SG-1.4

SG-1.2

SG-1.0

SG-0.7

SG-0.4

SG-0.3

SG-0.2

7

2.80

0

 









8

2.36

 

0









10

2.0

≥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


45

0.355







 



0

50

0.300







≥80%

≥65%

 

 

80

0.180








≥75%

≥65%


120

0.125









≥75%

≥60%

200

0.075










≥70%

SAE

G10

G12

G14

G16

G18

G25

G40

G50

G80

G120


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