High Chromium Cast Alloyed Grinding Ball for Power Plant and Mineral Processing

Loading Port:Qingdao

Payment Terms:TT or LC

Min Order Qty:25M.T. m.t.

Supply Capability:200000M.T./Year m.t./month

Product Description:

1. Specification of High Chromium Cast Alloyed Grinding Ball for Power Plant and Mineral Processing

1. Diameter: 20mm-150mm
2. Grade: 22Cr, 17Cr, 15Cr, 11Cr, 5Cr, 1.5Cr, etc
3. Chemical composition: C, Si, Mn, Cr, P, S, Mo, Cu, Ni, etc
4. Surface treatment: burnt sand & smooth.
5. It is free from hard spot, visible injurious defects such as blow hole,porosity, shrinkage, cracks, cold-shuts.

2. Size of High Chromium Cast Alloyed Grinding Ball for Power Plant and Mineral Processing

Norminal Diameter	Theorial Diameter	Theorial Weight	Surface Hardness	Core Hardness
(mm)	(mm)	(kg/per piece)	(HRC)	(HRC)
20	20.8	0.037	62-65	62-65
25	28.0	0.072
30	31.2	0.125
35	36.4	0.198	62-65	61-64
40	41.6	0.296
45	46.8	0.421
50	52.0	0.578
55	57.2	0.769
60	62.4	0.999
65	67.6	1.270	60-63	59-62
70	72.8	1.586
75	78.0	1.951
80	83.2	2.367
85	87	2.5243	59-64	59-64
90	92	2.9964
95	97	3.5241
100	102	4.1103
105	107	4.7582
110	112	5.4710
115	118	6.2512	58-63	58-63
120	122	7.1026
125	127	8.0279
130	133	9.0303	58-63	57-63
135	138	10.1076
140	143	11.2728
145	148	12.5243
150	153	13.8651

3. Features of High Chromium Cast Alloyed Grinding Ball for Power Plant and Mineral Processing

Composition (%)	C	Si	Mn	Cr	P	S	Hardness (HRC)	Wear Rate in Gold Mine
Low Cr Cast Balls	2.0~3.0	0.5~1.5	≤0.50	1.5~2.5	≤0.07	≤0.07	46~55	About 1000g/MT
Mid Cr Cast Balls	2.0~3.5	≤1.0	0.3~1.2	4.0~6.0	≤0.10	≤0.10	≥50	About 870g/MT
Cr12 Cast Balls	2.0~3.0	≤1.2	0.7~2.0	10~12	≤0.06	≤0.06	≥55	≤820g/MT
Cr15 Cast Balls	2.0~3.0	≤1.2	0.7~2.0	14~16	≤0.06	≤0.06	≥58	≤820g/MT
Cr20 Cast Balls	2.0~3.5	≤1.0	0.5~1.5	17~23	≤0.06	≤0.06	≥60	≤760g/MT

High Chromium Cast Alloyed Grinding Ball for Power Plant and Mineral Processing

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