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Steel shot specification
Shape : spherical
Density : 7.4 g/cm3
Hardness : 44-48HRC;58-62HRC
Hollow particles : <5%
Crack particle : <5%
Certificate : ISO9001,SGS
Standard : SAE J444

Chemical composition
C 0.85-1.0%
Mn 0.75-1.0%
Si 0.70-1.0%
S <0.030%
P <0.030%

Steel shot SAE J444:
S70,S110,S170,S230,S330,S390,S460,S550,S660,S780

Steel Shot Applications
1.sandblasting
2.surface preparation before coating
3.surface polishing
4.surface strengthening