Steel grit

Product Parameters

Name		(Steel sand) Cast steel sand
Chemical composition	Carbon (C)	0.70~1.20%
	Manganese (Mn)	0.35~1.20%
	Silicon (Si)	0.40~1.20%
	Sulfur (S)	≤0.05%
	Phosphorus (P)	≤0.05%
Average hardness (measured under 500g load)		GP steel grit: 42~52HRC GL steel grit: 50~60HRC GH steel grit: 60HRC or above
Hardness deviation		The maximum deviation range is ±3.0HRC or ±40HV
Metallographic structure		Uniform tempered martensite or tempered troostite + dispersed carbide
Minimum density (determined by alcohol displacement method)		7.4g/cm3

Particle size distribution

Mesh	mm	Casting sand specification
Mesh	mm	2.5	2.0	1.7	1.4	1.2	1.0	0.7	0.4	0.3	0.2
7	2.80	all pass
8	2.36		all pass
10	2.00	80%min		all pass
12	1.70	90%min	80%min		all pass
13	1.40		90%min	80%min		all pass
16	1.18			90%min	75%min		all pass
18	1.00				85%min	75%min		all pass
20	0.850
25	0.710					85%min	70%min		all pass
30	0.600
35	0.500						80%min
40	0.425							70%min		all pass
45	0.355
50	0.300							80%min	65%min		all pass
80	0.180								75%min	65%min
120	0.125									75%min	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

Product Specifications

G120/0.2	G80/0.3	G50/0.4	G40/0.7	G25/1.0
G18/1.2	G16/1.4	G14/1.7	G12/2.0	G10/2.5 (MM)

Application

1. Cleaning: shot blasting, shot peening, die casting cleaning, casting shot blasting, forging shot blasting, forging shot peening, casting sand removal, steel plate cleaning, steel cleaning, steel plate cleaning, H-beam cleaning, steel structure cleaning.
2. Rust removal: shot blasting, shot peening, casting rust removal, forging rust removal, steel plate rust removal, forging oxide scale removal, steel rust removal, H-beam rust removal, steel structure rust removal, sand blasting, steel plate rust removal, sand blasting room secondary sand blasting, sand blasting room secondary sand blasting.
3. Strengthening: shot blasting, heat treatment parts shot peening, gear shot peening.
4. Shot peening: steel shot peening, steel sand blasting, ship plate shot peening, steel plate shot peening, steel shot peening.
5. Shot blasting: steel plate shot blasting, steel shot blasting, steel shot blasting.
6. Sand blasting: sand blasting.
7. Pretreatment: pre-treatment before painting, coating pre-treatment, surface pre-treatment, ship plate pre-treatment, steel section pre-treatment, steel pre-treatment, steel plate pre-treatment, steel structure pre-treatment.