middle chrome grinding Ball

middle chrome grinding Ball:1:high hardness 2:little breakage 3:low wear rate 4:We own two automatic production lines

                                         middle chrome grinding Ball

 Our products used in many field,such as, cement,power,industry,chemical,mine,station and so on.the new products is high hardness,litter breakage,low wear rate,good wear-resistantno mal-roundness,Guoyang wear-resisant materials are making frist class corporation brand.

Specification:

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

Chemical Composition:

Multi-ball(1:C:1.8-3.2;Si:0.5-1.5;Mn:0.3-1.5;Cr:3.2-7.0;Mo≤0.5;Cu≤0.8;Ni≤0.5;Nb: ≤0.2;Ti:≤0.5;Zr≤0.5;V≤0.5;B≤0.1;P≤0.15;S≤0.10

Multi-ball(2: C:1.8-3.2;Si:0.5-1.5;Mn:0.3-1.5;Cr:7.0-10;Mo≤0.5;Cu≤0.5;Ni≤0.5;Nb: ≤0.2;Ti:≤0.5;Zr≤0.5;V≤0.5;B≤0.1;P≤0.15;S≤0.10

 Propertise and Microstructure:

Designation	HRC	AK(J/CM2)	Microstructure	Time of Falling Balls
Multi-ball	48-56	≥2.0	P+C	≤Φ80	≥12000
				≥Φ80	≥8000
Multi-ball	50-62	≥3.5	M+C	≤Φ80	≥12000
				≥Φ80	≥8000

middle chrome grinding Ball