Cleaning: Shot blasting, shot blasting, die casting cleaning, casting shot blasting, forging shot blasting, forging shot blasting, casting sand cleaning, steel plate cleaning, steel cleaning, H-beam cleaning, steel structure cleaning. Rust removal: shot blasting, shot blasting, castings, forgings, steel plates, forgings, steel, H-beams, and steel structures. Strengthening: shot peening, heat treatment parts shot peening, gear shot peening. Shot peening: steel shot peening, steel sandblasting, ship plate shot blasting, steel plate shot peening, steel shot peening. Shot blasting: steel plate shot blasting, steel shot blasting, section steel shot blasting. Sanding: sanding treatment. Steel shot pretreatment: pre-painting treatment, coating pre-treatment, surface pre-treatment, ship plate pre-treatment, section steel pre-treatment, steel pre-treatment, steel plate pre-treatment, steel structure pre-treatment.Steel Shot (Steel Shot) commonly known as Cast Steel Grit (Cast Steel Grit) Steel abrasives (Steel Abrasives), angular sand is an upgraded substitute for cast iron sand and iron sand, also known as shot blasting abrasive, shot blasting machine abrasive, shot blasting material, Shot blasting abrasives, blasting materials, shot blasting abrasives, sandblasting abrasives, sandblasting consumables, sandblasting machine abrasives, shot blasting abrasives, shot blasting materials, sandblasting materials, rust removal abrasives, steel plate pretreatment abrasives, Steel pretreatment abrasives, shot blasting, shot peening strengthening metal abrasives, etc.Stainless steel shot Stainless steel shot. Stainless steel shot is commonly known as stainless steel wire cut shot, which is refined by wire drawing, cutting, rounding and other processes.Bright, rust-free, bead-shaped (cut pellets, cylindrical).

Sieve number	inch	Screen aperture	SAEJ444steel ball
			S930	S780	S660	S550	S460	S390	S330	S280	S230	S170	S110	S70
6	0.132	3.35	AllPass
7	0.111	2.80		AllPass
8	0.0937	2.36	≥90%		AllPass
10	0.0787	2.00	≥97%	≥85%		AllPass	AllPass
12	0.0661	1.70		≥97%	≥85%		≤5%	AllPass
14	0.0555	1.40			≥97%	≥85%		≤5%	AllPass
16	0.0469	1.18				≥97%	≥85%		≤5%	AllPass
18	0.0394	1.00					≥96%			≤5%	AllPass
20	0.0331	0.850							≥85%		≤10%	AllPass
25	0.0280	0.710							≥96%	≥85%		≤10%
30	0.0232	0.600								≥96%	≥85%
35	0.0197	0.500									≥97%
40	0.0165	0.425										≥85%		AllPass
45	0.0138	0.355										≥97%		≤10%
50	0.0117	0.300											≥80%
80	0.007	0.180											≥90%	≥80%
120	0.0049	0.125												≥90%
200	0.0029	0.075
GB(unit：mm)			2.8	2.5	2.0	1.7	1.4	1.2	1.0	0.8	0.6	0.4	0.3	0.2

Project		National standard steel shot	High quality steel shot
Chemical composition%	C	0.85-1.20	0.85-1.0
	SI	0.40-1.20	0.70-1.0
	Mn	0.60-1.20	0.75-1.0
	S	<0.05	<0.030
	P	<0.05	<0.030
Hardness	steel ball	HRC40-5HRC55-62	HRC44-48 HRC58-62
Density	steel ball	≥7.20g/cm3	7.4g/cm3
Metallographic Organization		Tempered martensite or troostite	Tempered martensite + bainite complex structure
Exterior		round ball hollow particles<10% Crack particles<15%	round ball hollow particles<5% Crack particles<10%

Name		Cast steel grit
Chemical composition	C	0.70— 1.2%
	Mn	0.60— 1.2%
	SI	040— 1.2%
	S	≤0.05%
	P	≤0.05%
Average hardness(500gnuclear load assay)
Hardness deviation		The maximum deviation range is 3.0HRC or 40HV
Metallographic Organization		Uniform tempered martensite or tempered troostite + dispersed carbide
The lowest density (determined by alcohol replacement method)		7.4g/cm³