50MM Best quality forging grinding ball

1)passed ISO9001:2000 2)high hardness,low breakage 3)good wear-resistant 4)steady performance 5)low price and good servi

Type and Chemical Composition
Brand	Grade	C	Mn	Si	Cr	S	P
Dp-1	50Mn	0.48-0.56	0.70-1.0	0.17-0.37	0.25max	0.035max	0.035max
Dp-2	60Mn	0.57-0.65	0.70-1.0	0.17-0.37	0.25max	0.035max	0.035max
Dp-3	65Mn	0.6-0.7	0.9-1.2	0.17-0.37	0.25max	0.035max	0.035max
Dp-4	75MnCr	0.70-0.85	0.7-0.8	0.17-0.37	0.2-0.7	0.03max	0.03max
Dp-5	Rail IronⅠ	0.5-0.65	0.60-1.0	0.15-0.37	0.25max	0.04max	0.04max
Dp-6	Rail IronⅡ	0.60-0.8	0.90-1.2	0.20-0.40	0.20-0.8	0.07max	0.03max

Weight and Microstructure of Forged Balls
Nominal Diameter(mm)	Diametrical Tolerance (mm)	Approx. Weight per ball (g)	Average Number per MT	Microst ructure
25	1.5/-0.5	64	15625	BATTEN M+LITTLE B+LITTLE C(M-Martensite,B-Bainitic,C-Carbide)
30	1.5/-0.5	110	9090
40	2.0/-1.0	260	3846
50	2.0/-1.0	510	1961
60	3.0/-1.0	890	1124
70	3.0/-1.0	1400	714
80	3.0/-1.5	2100	476
90	3.0/-1.5	3000	333
100	4.0/-1.5	4100	244
110	4.0/-1.5	5470	283
120	4.0/-1.5	7100	141
130	4.0/-1.5	9020	111

1.Features:

(1) Characteristics: a) High hardness and resistance b) Good even wear c) No breaking

2. Applied fields: a) Miningb) Cement plants c) Power stations d) Chemical industry and machinery

The company of mine is that a professional manufacture of wear - resistant steel ball production and export enterprises, the production of forged steel ball products, using pneumatic hammer Multi - Stage forge process. Automatic Heat Treatment Equipment of heat treatment. Products produced high hardness, low wear, toughness, less damage, not lose round shape. To ensure that the quality of the ball, each batch of products have strict quality reviews by our company.

50MM Best quality forging grinding ball