carbon steel ball

carbon steel ball:1)High hardness(60-65HRC) 2)Supplier of Norilsk/lafarge/Codelco. 3)CE,inspectorate,SGS certificates

                                                                  carbon steel ball

      KaiYuan Co is professional manufacturer which produce high/low/middle chrome grinding balls and bars(mill balls/bars).Our products are used in cement industry, chemical industry,mining industry widely and exported to USA (cement plant),Chile(copper mine),Botswana(copper mine),Iran(zinc mine),Russia(cement plant and power plant),Pakistan(cement plant)etc.On the other hand,we are also sixth year gold suppliers in Alibaba.

 

       Our enterprise developed fast in recent three years.Nowadays,We have annual production capacity of  65,000 MT and own Two automatic and modern Production Lines(pictures below),take the leading position in Asian casting ball field.

 

 

Specification:

 Φ12.7;Φ15;Φ17;Φ20;Φ25;Φ30;Φ40;Φ50;Φ60;Φ70;Φ80;Φ90;Φ100;Φ110;Φ120;Φ125;Φ130.

Chemcial Composition:

ITEM	Designation	Chemical    Composition
		C	Si	Mn	Cr	Mo	P	S
Popular Grade	ZQCr10	1.8-32	0.3-1.2	0.2-1.0	10-13	Trace	≤0,10	≤0.10
		Cu	Ni	Nb	Ti	B	Zr	V
		Trace	Trace	Trace	Trace	Trace	Trace	Trace
Hight Chromium Cast Grinding Balls	ZQCr26	2.0-30	≤1.0	0.2-1.0	22-28	≤1.0	≤0.10	≤0.08
	ZQCr20	2.0-3.0	≤1.0	0.2-1.0	18-22	≤1.0	≤0.10	≤0.08
	ZQCr17	2.0-3.2	≤1.0	0.2-1.0	13-18	≤1.0	≤0.10	≤0.08

Propertise and Microstructure:

ITEM	Designation	Hardness(HRC)		AK(J/cm2)	Microstructure	Time of Falling Balls
		Quenched state	Quenched state
Popuar Grade	ZQCr10	≥58	≥50	≥2.3	M+C	≥12000
High Chromium Cast Grinding Balls	ZQCr26	≥58	≥45	≥4.0		≥12000
	ZQCr20	≥58	≥45	≥3.5		≥12000
	ZQCr17	≥58	≥49	≥3.0		≥12000

       

carbon steel ball