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Middle Chromium Alloy Cast Balls

During production, middle chromium alloy cast balls are made using high-precision casting techniques, ensuring uniform chromium content and other alloy components in each ball. Strict process controls ensure that each ball has stable quality and consistent dimensions. The precise alloy composition and processing methods provide the balls with good structural consistency, enhancing their overall performance and durability.

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Product Details

Introduction of the product

Thanks to their moderate wear resistance and impact toughness, middle chromium alloy cast balls can adapt to various working environments, especially those with high loads and impacts. Whether in heavy-duty grinding equipment or in environments requiring resistance to corrosion and impact, middle chromium alloy cast balls maintain high operational efficiency.

Application in grinding machines and areas

Machines	Industries
·Ball mills	·Mining industry
·SAG mills	·Power stations
·Tower mills	·Cement industry
·Coal grinding machine	·Steel Industry
·Bearing	·Chemical Industry
	·Metallurgical industry

Technical data

Chemical Composition (%)
Name		C	Si	Mn	Cr	Mo	S	P	Cu	Ni
High Chromium Alloy Cast Balls	ZQCr26	2.0-3.3	≤1.2	0.3-1.5	23.0-30.0	0-3.0	≤0.06	≤0.10	0-1.2	0-1.5
	ZQCr20	2.0-3.3	≤1.2	0.3-1.5	18.0-23.0	0-3.0	≤0.06	≤0.10	0-1.2	0-1.5
	ZQCr15	2.0-3.3	≤1.2	0.3-1.5	14.0-18.0	0-3.0	≤0.06	≤0.10	0-1.2	0-1.5
	ZQCr12	2.0-3.3	≤1.2	0.3-1.5	10.0-14.0	0-3.0	≤0.06	≤0.10	0-1.2	0-1.5
Middle Chromium Alloy Cast Balls	ZQCr8	2.1-3.3	≤2.2	0.3-1.5	7.0-10.0	0-1.0	≤0.06	≤0.10	0-0.8	-
Middle Chromium Alloy Cast Balls	ZQCr5	2.1-3.3	≤1.5	0.3-1.5	4.0-6.0	0-1.0	≤0.10	≤0.10	0-0.8	-
Low Chromium Alloy Cast Balls	ZQCr2	2.1-3.6	≤1.5	0.3-1.5	1.0-3.0	0-1.0	≤0.10	≤0.10	0-0.8	-
Bainite Alloy Cast Balls	ZQQTB	3.2-3.8	2.0-3.5	2.0-3.0	-	-	≤0.03	≤0.10	-	-
Bainite Alloy Cast Balls	ZQQTM	3.2-3.8	2.0-3.5	0.5-1.5	-	-	≤0.03	≤0.10	-	-

Physical Features
Name		Surface Hardness (HRC)	Impact Value (J/cm²)	Breakage Rate (%)	Diameter Tolerance (mm)	Diameter (mm)	Drop Test (Times)
High Chromium Alloy Cast Balls	ZQCr26	≥58	≥4J	≤1.0	Φ≤30 +1.0 -1.0 30＜Φ≤60 ＋1.5 -1.0 60＜Φ≤80 +2.0 -1.0 80＜Φ≤100 +2.5 -1.0 Φ＞100 +3.0 -1.0	10-160	＞15000
	ZQCr20	≥58	≥4J	≤1.0
	ZQCr15	≥58	≥4J	≤1.0
	ZQCr12	≥58	≥4J	≤1.0
Middle Chromium Alloy Cast Balls	ZQCr8	≥48	≥4J	≤1.0
Middle Chromium Alloy Cast Balls	ZQCr5	≥47	≥4J	≤1.0
Low Chromium Alloy Cast Balls	ZQCr2	≥45	≥4J	≤1.0
Bainite Alloy Cast Balls	ZQQTB	≥50	≥4J	≤1.0
Bainite Alloy Cast Balls	ZQQTM	≥52	≥4J	≤1.0

Quality Control Technology and Equipment

Plants and Production Equipment

Plants and Production Equipment

Exhibitions

Exhibitions

Why choose us

1. Balance of Wear and Corrosion Resistance

With moderate chromium content, middle chromium alloy cast balls offer excellent wear resistance while maintaining a certain level of corrosion resistance.

2. Good Impact Toughness and Durability

Middle chromium alloy cast balls provide superior impact toughness and fracture resistance compared to high chromium balls.

3. Optimized Cost-Effectiveness While they do not provide the extreme wear resistance of high chromium balls, their manufacturing cost is lower, making them an economical choice for applications in moderate wear environments.

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