High Hardness Cast Iron Balls 1-30 Cr Medium Chrome Ball Mill Media

High Hardness Cast Iron Balls 1-30 Cr Medium Chrome Ball Mill Media

 

Why Jinan Zhongwei ?

 

1 . Over 15 years Professional forging and casting grinding balls, grinding cylpebs  manufacturing experience, deserves your trust.

2 . High quality, competitive price and good service benefit our customers.

3 . ISO9001 certified company, advanced oil quenching and heating production line, together with advanced testing machines imported from Germany are used to ensure the quality.

4 . Chemical analysis reports would be sent together with each batch of grinding balls, even samples.

5 . Skilled sales & service team can provide timely good service.

6 . 50000 Tons annual production capacity can provide short Leading time.

 

Product Name:  cast iron balls

Product Type : Low Chromium, Medium Chromium, High Chromium ,Special High Chromium

 

The chemical composition of the cast iron balls 

 

Material	Chemical Elements
	C	Si	Mn	P	S	Cr
Speical Cr 2	2.0-3.0	< 1.0	0.5-2.0	<0.08	< 0.06	> 20
Speical Cr 1	2.0-3.0	< 1.0	0.5-2.0	<0.08	< 0.06	> 15
High Cr	2.0-3.2	< 1.0	0.5-2.5	<0.08	< 0.06	> 10
Medium  Cr	2.0-3.2	< 1.0	0.5-2.5	<0.08	< 0.06	> 5
Low Cr	2.2-3.4	< 1.2	0.5-1.5	<0.08	< 0.06	1.0-1.5

 

We can also manufacture the product with special chemical composition in accordance with the requirements

of the customers.

 

Cast Iron Ball Hardness

 

Material	25mm-50mm HRC		60mm-70mm HRC		80mm-90mm HRC
					60-64
Speical Cr 2	58-62		60-64
Speical Cr 1	58-62		58-62		58-62
High Cr	58-62		58-63		58-62
Medium  Cr	45-48		45-48		45-48
Low Cr	42-46		42-46		42-46

 

Diameter, Diametrical tolerance, Weight, Impact toughness of cast iron ball 

 

Nominal diameter (mm)	Diametrical tolerance (mm)	Weight of Single of grinding ball in average	Number of piece of One ton grinding ball in average	Impact toughness
DIA 20MM DIA 25 MM DIA 30 MM DIA 40 MM DIA 50 MM	+2 -1	32 64 110 263 513	31250 15625 9090 3802 1949	≥12
DIA 60 MM DIA 70 MM DIA 80 MM DIA 90 MM DIA 100 MM	+3 -2	888 1410 2104 2996 4110	1126 709 475 333 243
DIA 110 MM DIA 120MM DIA 130 MM	+4 -2	5457 7102 9030	182 140 110
DIA 140 MM DIA 150 MM	+4 -3	11278 13871	88 72

 

Production Process of Jinan Zhongwei Cast Iron Balls

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact us

 

July Sun

Skype julysun214

Email julysun@zwgrindingball.com

Mobile (whats app) 86-15666667179