low price grinding steel ball for ball mill

Model:	-
Brand:	Huamin
Origin:	Made In China
Category:	Industrial Supplies / Metallurgy Machinery
Label:	low price steel ball , low price ball , steel ball
Price:	US $870 / ton
Min. Order:	10 ton

Product Description

Quick Details

Place of Origin:	Shandong China (Mainland)	Brand Name:	Huamin	Model Number:	75MnCr/65Mn/60Mn
Application:	mine,cement plant,chemical industry,power station	Material:	Steel	Dimensions:	DIA :20mm to150mm
breakage rate:	less than 1%	impact value:	more than 12J/cm2	hardness:	50-68HRC
diameter:	20mm to150mm	certificate:	ISO9001:2008

Packaging & Delivery

Packaging Detail:	Container Bag: Dia20mm-Dia150mm 1000Kgs/Container Bag (GWt:1002Kgs)Steel Drums: Dia20mm-Dia80mm 900Kgs/Drum (GW: 915Kgs) Dia90mm-Dia150mm 850Kgs/Drum (GW: 865Kgs)
Delivery Detail:	within 15 days

Specifications

1.HRC:50-68
2.Impact test >12AK.J/CM2
3.Breakage rate <1%
4.Certificates:ISO9001:2008;TUV;ISO14001:2004,OHSAS18001:2007
5.Microstructure: M+B+C

Chemical elements of forged steel balls

Name	C	Mn	Si	Cr	S	P
60Mn	0.57-0.65	0.70-1.0	0.17-0.37	0.25max	0.035max	0.035max
65Mn	0.60-0.70	0.90-1.2	0.17-0.37	0.25max	0.035max	0.035max
75MnCr	0.70-0.85	0.70-0.85	0.17-0.37	0.40-0.60	0.030max	0.030max

Weight and Microstructure of Forged Steel Ball

Norminal Diameter	Diametrical Tolerance(mm)	Approx Weight of Single Ball(kg)	Average Number of One MT	Microstructure
25mm/1''	+1.5,-0.5	0.064	15625	M+B+C (M-Martensite;B-Bainitic;C-Carbide)
30mm/1.25''	+1.5,-0.5	0.11	9090
40mm/1.5''	+2.0,-1.0	0.26	3846
50mm/2''	+2.0,-1.0	0.51	1961
60mm/2.5''	+3.0,-2.0	0.89	1124
70mm/2.75''	+3.0,-2.0	1.4	714
80mm/3.25''	+3.0,-2.0	2.1	476
90mm/3.5''	+3.0,-2.0	3	333
100mm/4''	+4.0,-3.0	4.1	244
110mm/4.5''	+4.0,-3.0	5.47	283
120mm/4.75	+4.0,-3.0	7.1	141
130mm/5''	+4.0,-3.0	9.02	111