High Chrome Grinding Ball

• Refractoriness (℃): 1580< Refractoriness< 1770
• Feature: Long Time Materials, Instant Materials
• Type: Heat-Resistant Material
• Shape: Ball
• Material: Chrome
• Transport Package: Nylon Bags
• Model NO.: XN
• Specification: 20-150mm
• Trademark: Xinning
• Origin: China
• HS Code: 7326110000
• Production Capacity: 50000PCS/Year

Product Description

Product Detail:
1. Feature:
1) In general, high chrome casting ball has high hardness: Surface hardness to 55-62HRC;
2) Impact toughness high:more than2.5 J/cm2;
3) Broken rate is low: the actual broken rate is not higher than 1%;
4) Loss of grinding casting ball round rate is low.
 
2. Chemical Composition and Mechanical Properties

Name	Brand	C	Si	Mn	Cr	P	S	Ni	Mo
High Chrome Ball	ZQCr10	1.8~3.6	0.3~1.2	0.3~1.5	10~11	≤0.10	≤0.10	a little bit	a little bit
	ZQCr12	1.8~3.6	0.3~1.2	0.3~1.5	11~13	≤0.10	≤0.10	a little bit	a little bit
	ZQCr15	1.8~3.6	0.3~1.2	0.3~1.5	13~16	≤0.10	≤0.10	a little bit	a little bit
	ZQCr17	1.8~3.6	0.3~1.2	0.3~1.5	16~19	≤0.10	≤0.10	a little bit	a little bit
	ZQCr20	1.8~3.6	0.3~1.2	0.3~1.5	19~13	≤0.10	≤0.10	a little bit	a little bit
	ZQCr26	1.8~3.6	0.3~1.2	0.3~1.5	23~28	≤0.10	≤0.10	a little bit	a little bit
Specification of Casting Grinding Balls
Nominal diameter		Weight of single ball in average		Pcs/ton		Surface hardness		Impact toughness
(mm)		(kg)		(pcs)		(HRC)		(j/cm2)
Φ20		0.0322		31056		55-62		≥2.5
Φ25		0.063		15873
Φ30		0.11		9091
Φ40		0.257		3891
Φ50		0.5		2000
Φ60		0.867		1153
Φ70		1.37		729
Φ80		2.05		487
Φ90		2.9		345
Φ100		4.0		250
Φ110		5.3		188
Φ120		6.80		147
Φ130		7.75		129
Φ140		8.74		114
Φ150		13.5		74

 
3. Applied Fields
1)Cement Plants    2)Mines    3)Power Stations    4)Chemical Industries    5)Others