High Chrome Grinding Media Balls

Name: High Chrome Grinding Balls
Brand: Anhui Ningguo Chengxin Wear Resistant Materials Co.,Ltd.

Our high chrome grinding media balls for cement mills and mining are trusted by global customers for their exceptional durability and performance in ball mills. Especially in ball mills, high chrome balls exhibit corrosion resistance, wear resistance, high hardness and other properties, and are widely used as grinding media in ball mills. Chengxin high chrome steel grinding media balls are renowned for their consistent performance and durability.

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High Chrome Grinding Balls Specification

Chemical Composition of High Chrome Grinding Balls

Name	Designation	Chemical Composition
Name	Designation	C	Si	Mn	Cr	P	S
Chrome Alloy Cast Grinding Balls	ZQCr26	2.0~3.3	≤1.2	0.3~1.5	＞23~30	≤0.10	≤0.06
	ZQCr20	2.0~3.3	≤1.2	0.3~1.5	＞18~23	≤0.10	≤0.06
	ZQCr15	2.0~3.3	≤1.2	0.3~1.5	＞14~18	≤0.10	≤0.06
	ZQCr12	2.0~3.3	≤1.2	0.3~1.5	＞10~14	≤0.10	≤0.06

Physical Property of High Chrome Grinding Balls

Name	Designation	HRC	HRC	Microstructure	Times Of Falling Balls
Name	Designation	HRC	HRC	Microstructure	Times Of Falling Balls
Chrome Alloy Cast Grinding Balls	ZQCr26	＞60	＞60	M+C	≥18000
	ZQCr20	＞60	＞60	M+C	≥18000
	ZQCr15	＞60	＞60	M+C	≥18000
	ZQCr12	＞60	＞60	M+C	≥18000
	M-Martensite C-Carbide

Tolerance of Diameter of High Chrome Grinding Balls

Nominal Diameter	Φ10 - Φ25	25＜Φ＜60	60＜Φ≤100	100＜Φ
Tolerance of Diameter	+1.0	+1.5	+2.0	+3.0
Tolerance of Diameter	-1.0	-1.0	-1.0	-1.0

Specification of High Chrome Grinding Balls

Φ8	Φ10	Φ12	Φ15	Φ17	Φ20	Φ25	Φ30	Φ35	Φ40	Φ50	Φ60
Φ70	Φ80	Φ90	Φ100	Φ110	Φ120	Φ130	Φ140	Φ150

Specification And Weight of High Chrome Grinding Balls

Ball Diameter（mm）	Weight Each（KG）	Pcs/ton	cm²

Φ15	0.015	68273	7.67
Φ17	0.021	41982	10.1
Φ20 (20mm Grinding Ball)	0.034	31056	12.6
Φ25	0.063	15873	19.9
Φ30	0.11	9091	28.4
Φ40	0.26	3891	49.8
Φ50	0.51	2000	78.9
Φ60	0.86	1153	112.4
Φ70	1.37	729	156.1
Φ80	2.05	487	203.2
Φ90	2.90	345	251.6

Advantages of High Chrome Grinding Media Balls

The new generation of energy-saving grinding balls developed by our company, namely high chrome grinding balls, has almost zero hardness difference between the surface and core of ordinary cast steel balls.

At the same time, the ball consumption, breakage rate, and out-of-round deformation rate are significantly lower.

Compared with ordinary high-chromium steel balls, Chengxin high chrome ball shows better performance. It has been recognized and trusted by more and more customers.

Quality Control Measures for High Chrome Grinding Balls

Our company has a strict quality management system and has passed the quality management system certification. Products such as our high chrome ball must undergo five strict quality inspections from raw materials entering the cast grinding balls factory to final finished products being put into storage.

When raw materials enter the factory, they need to undergo the first inspection. Then, after smelting, the second inspection is performed, and the third inspection is performed after pouring and forming.

After the semi-finished product is qualified, the fourth appearance inspection is carried out. After heat treatment, the fifth level of hardness, chemical composition, metallographic structure, falling ball fatigue life, and other components and mechanical properties are tested.

Only after they are finally qualified can they be bagged and put into storage.

What are high chrome steel grinding media balls used for?

High chrome steel grinding media balls are essential in cement mills, where they play a critical role in the crushing and grinding of raw materials and clinker during the cement production process. These high chrome balls are specifically designed to withstand the rigorous conditions of milling, offering superior wear resistance, high hardness, and corrosion resistance. By efficiently breaking down the materials, high chrome grinding media balls help ensure a consistent and high-quality cement product, ultimately enhancing the overall efficiency and productivity of the cement manufacturing process.

High Chrome Grinding Balls FAQs

1. What is the difference between high chrome grinding balls and ordinary grinding balls?

High chrome grinding media balls are made from high-chromium alloy casting, offering superior hardness (HRC > 60), wear resistance, and corrosion resistance. Compared to ordinary grinding balls, wear-resistant high chrome grinding balls significantly reduce ball consumption and breakage rates, making them ideal for the demanding conditions of cement mills and mining ball mills.

2. How to choose the right high chrome grinding balls for cement plants?

When selecting high chrome grinding media balls for cement mills, consider the ball mill size, material characteristics, and production requirements. Chengxin offers a wide range of specifications (Φ8-Φ150mm), such as the 20mm grinding ball, to meet diverse cement production needs. We recommend using our online selection tool or contacting our technical team for customized recommendations.

3. What are the advantages of high chrome grinding balls in the mining industry?

Durable high chrome balls for mining feature high hardness and low deformation rates, effectively handling the high-intensity grinding environment of ores, extending service life, and reducing maintenance costs. Our corrosion-resistant chrome alloy grinding balls are widely used by global mining companies.

4. How is the quality of high chrome grinding balls ensured?

Chengxin implements a rigorous five-step quality inspection process, covering raw materials to finished products, including chemical composition, hardness, and microstructure. This ensures our high chrome steel balls for cement production meet ISO 9001 standards. Our products undergo 18,000 drop tests, guaranteeing stable performance.

5. Can high chrome grinding balls be customized?

Yes, we offer customized high chrome grinding media services, allowing adjustments to chemical composition or size to meet specific ball mill application requirements. Contact us now to get tailored solutions!