We are a special supplier for steel shot, steel grit by SAE standard.
The specifications are as follows.

Steel shot
S70,S110,S170,S230,S280,S330,S390,S460,S550,S660,S780
Hardness: 40-50HRC
Density: >=7.2g/cm3

Steel grit,
G10,G12,G14,G16,G18,G25,G40,G50,G80,G120
Hardness: GP 46-50HRC
GL 56-60HRC
GH 63-65HRC
Density: >=7.4g/cm3

Chemical compositions
C 0.85-1.20 Mn 0.60-1.20 Si 0.5-1.2 S <=0.05 P <=0.05
Microstructure:Homogeneous tempered Martensite and Baintite.

Field of application:
Sand removing, rust removing, decaling cleaning and strengthen of work pieces in the industries of machinery, ship building, container making, steel structing, vehicle and lovamotive producting and casting, etc.

Our company has adopted the second quenching and low tempering technology. So that the products have the advantages of long life, high efficiency.