Product Details

Specifications

1.Even hardness
2.Size:20-150mm
3.ISO9001:2008
4.No breakable

Casting Grinding Balls for cement building

1.Specifications

    High hardness
    Good wear resistance
    High toughness
    No mal-roundness

Grinding Ball

We are one of the largest professional manufactory of chrome grinding ball and forged grinding ball in China.Our annual product of chrome grinding ball is about 50000MT.We are take the leading position in chinese chrome grinding ball industry. We will try our best to supply you with high quality products, reasonable price,timely delivery with satisfactory service as the base of our long time cooperation.

Applied Fields of Chrome Grinding Ball

1. Mines

2. Cement Plants

3. Chemical Industries

4. Power Stations

The process line of production

RAW MATERIAL→SCIENTIFIC PROPORTIONING → ELECTRIC FURNACE SMELTING → ASSAY BEFORE FURNACE → MOULD FORMING → POLISHING → HEAT TREATMENT → PACKING → TRANSPORTATION

Type and Chemical Composition of Chrome Grinding Ball

Name	Material	C	Si	Cr	Mn	S	P
DZ-7	Cr-22-32%	2.0-2.8	≤1.0	22-32	0.5-2.0	≤0.06	≤0.08
DZ-8	Cr-17-22%	2.0-2.8	≤1.0	17-22	0.5-2.0	≤0.06	≤0.08
DZ-9	Cr-15-17%	2.2-3.0	≤1.0	15-17	0.5-2.0	≤0.06	≤0.08
DZ-10	Cr-11-14%	2.2-3.2	≤1.0	11-14	0.5-2.5	≤0.06	≤0.08
DZ-11	Cr-5-10%	2.1-3.2	≤1.2	5-10	0.5-1.5	≤0.06	≤0.08
DZ-12	Cr-1.5-3.%	2.2-3.5	≤1.2	1.5-3.0	0.5-1.5	≤0.06	≤0.08

Name	Designation	Chemical Composition(%)
Name	Designation	C	Si		Mn	Cr	Mo	Cu	Ni	P	S
Higher Chrome Casting iron Balls	JCCr20	2.0-3.0	≤1.0		0.5-1.5	18-22	0-2.5	0-1.2	0-1.5	≤0.10	≤0.10
Higher Chrome Casting iron Balls	JCCr15	2.0-3.0	≤1.0		0.5-1.5	14-17	0-3.0	0-1.0	0-1.5	≤0.10	≤0.10
High Chrome Casting iron Balls	JCCr13	2.0-3.0	≤1.0		0.5-1.5	11-14	0-1.0	0-2.0	0-1.5	≤0.10	≤0.10
Middle Chrome Casting iron Balls	JCCr7	2.1-3.2	0.5-2.2		0.5-1.5	6-10	0-1.0	0-0.8	0-1.5	≤0.10	≤0.10
Low Chrome Casting iron Balls	JCCr2	2.2-3.6	≤1.2		0.5-1.5	1.0-3.0	0-1.0	0-0.8	_	≤0.10	≤0.10
Name	Designation	Hardness(HRC)			AK(j/cm²)	Microstructure	Times of Falling Balls
Name	Designation	Quenched		Unquenched	AK(j/cm²)	Microstructure	Times of Falling Balls
High Chrome Casting iron Balls	JCCr20	≥56		≥45	≥4.0	M+C	≥8000
High Chrome Casting iron Balls	JCCr15	≥56		≥45	≥4.0		≥8000
High Chrome Casting iron Balls	JCCr13	≥56		≥49	≥4.0		≥8000
Middle Chrome Casting iron Balls	JCCr7	_		≥48	≥4.0		≥8000
Low Chrome Casting iron Balls	JCCr2	_		≥45	≥4.0		≥8000