Bearing Steel Grit Steel Shot & Grit-JUN DA

Bearing Steel Grit

Bearing steel grit is made of chrome alloy material which are fast atomized after melting.After heat treatment,it is featured with optimum mechanical characteristics, good tenacity,high fatigue resistance,long working-life,low consumption and so on. 30% will be saved. Mainly used in granite cutting,sandblasting and shot peening.

Bearing steel grit is made of chrome alloy material which are fast atomized after melting. After heat treatment,it is featured with optimum mechanical characteristics, good tenacity, high fatigue resistance,long working-life,low consumption and so on. 30% will be saved. Mainly used in granite cutting,sandblasting 。
　

Product Detail

Products		Steel Grit
Chemical Composition%
	C	0.8-1.20%
	Si	0.4-1.2%
	Mn	0.6-1.2%
	S	≤0.05%
	P	≤0.05%
Hardness	steel shot	GP 41-50HRC;GL 50-55HRC;GH 63-68HRC
Density	steel shot	7.6g/cm3
Micro structure		Martensite structure
Appearance		Spherical Hollow particles<5% Crack particle<3%
Type		G120,G80,G50,G40,G25,G18,G16,G14,G12,G10
Diameter		0.2mm,0.3mm,0.5mm,0.7mm,1.0mm，1.2mm,1.4mm，1.6mm,2.0mm,2.5mm
Application		1.Granite cutting 2.Blast cleaning: Used for blast cleaning of casting, die-casting,forging; sand removal of casting, steel plate, H type steel, steel structure. 3..Rust removal: Rust removal of casting, forging, steel plate, H type steel,steel structure. 4.Shot peening: Shot peening of gear, heat treated parts. 5.Shot blasting: Shot blasting of profile steel, ship board, steel board, steel material,steel structure.

Size-Distribution-Steel-Grit

SIZE DISTRIBUTION OF STEEL GRIT
Screen No.	In	Screen size	SAE J444 Standard Steel grit
Screen No.	In	Screen size	G10	G12	G14	G16	G18	G25	G40	G50	G80	G120
6	0.132	3.35
7	0.111	2.8	All Pass
8	0.0937	2.36		All Pass
10	0.0787	2	80%		All Pass
12	0.0661	1.7	90%	80%		All Pass
14	0.0555	1.4		90%	80%		All Pass
16	0.0469	1.18			90%	75%		All Pass
18	0.0394	1				85%	75%		All Pass
20	0.0331	0.85
25	0.028	0.71					85%	70%		All Pass
30	0.023	0.6
35	0.0197	0.5
40	0.0165	0.425						80%	70%min		All Pass
45	0.0138	0.355
50	0.0117	0.3							80%min	65%min		All Pass
80	0.007	0.18								75%min	65%min
120	0.0049	0.125									75%min	65%min
200	0.0029	0.075										70%min
GB			2.5	2	1.7	1.4	1.2	1	0.7	0.4	0.3	0.2