Dia 50mm 65Mn forged grinding steel ball manufacturer & Supplier

Name: Dia 50mm 65Mn forged grinding steel ball manufacturer & Supplier
Brand: Beijing Baska Guanhua Technology Co., Ltd.
Rating: 4.8 (45 reviews)

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Model No. :	DY-007
Brand Name :	Dayou

9yrs

Beijing, Beijing, China

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Beijing Baska Guanhua Technology Co., Ltd.

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Product description

Forged Grinding Balls for Mining and Other Applications

Diameter	Equipment
100-160mm(4"-6 1/2'')	SAG mills
20-100mm(4/5''-4'')	Ball mills

Detailed Description Specification

Ball diameter	Diameter tolerance	Weight of single ball in average	Number of piece of one ton ball in average	Surface hardness	Core hardness	Impact toughness
(mm)	(mm)	(g)	(pcs)	(HRC)	(HRC)	(J/cm2)
Φ20	+2,-1	32	31250	60-67	57-62	≥12
Φ25	+2,-1	64	15625	60-67	57-62	≥12
Φ30	+2,-1	110	9090	60-67	57-62	≥12
Φ40	+2,-1	263	3802	60-67	57-62	≥12
Φ50	+2,-1	513	1949	60-67	57-62	≥12
Φ60	+3,-2	888	1126	58-65	50-56	≥12
Φ70	+3,-2	1410	709	58-65	50-56	≥12
Φ80	+3,-2	2104	475	58-65	50-56	≥12
Φ90	+3,-2	2996	333	58-65	50-56	≥12
Φ100	+3,-2	4110	243	58-65	50-56	≥12
Φ110	+4,-2	5457	182	55-63	48-55	≥12
Φ120	+4,-2	7102	140	55-63	48-55	≥12
Φ130	+4,-2	9030	110	55-63	48-55	≥12
Φ140	+4,-2	11278	88	55-63	45-50	≥12
Φ150	+4,-2	13871	72	55-63	45-50	≥12

Chemical Components

Type	Chemical components
	C	Mn	Si	Cr	S	P
45#	0.42-0.50	0.50-0.8	0.17-0.37	≤0.25	≤0.045	≤0.040
50Mn	0.48-0.56	0.70-1.0	0.17-0.37	≤0.25	≤0.035	≤0.035
60Mn	0.57-0.65	0.70-1.0	0.17-0.37	≤0.25	≤0.035	≤0.035
65Mn	0.60-0.70	0.90-1.2	0.17-0.37	≤0.25	≤0.035	≤0.035
B2	0.75-0.85	0.70-0.9	0.17-0.37	0.5-0.8	≤0.030	≤0.030