High Chrome Cast grinding balls

Name: High Chrome Cast grinding balls
Brand: Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Rating: 4.3 (42 reviews)

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Model No. :	ZQ-4
Brand Name :	ZW
Usage :	Grind
Size :	Small
Color :	Black
Customized :	Customized
Production Line :	Casting
Cuntry Of Origin :	China
Breakage Rate :	Less Than 0.5%
Material :	Low Chrome
HARDNESS :	More Than HRC 45
Impact :	≥2
Dia :	35X40MM
HS Code :	73259100

6yrs

Jinan, Shandong, China

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Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd

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Product description

Keeping“Premium quality, Low cost, Timely response”service concept, our company has won wide praise from the majority of mines, cement plants and smelting enterprises. In addition to the domestic market, our products are exported to South Africa, South Korea, Mongolia, Congo, Russia, Peru, Chile, Australia and many other countries. We always adhere to "Quality for survival, Security for guarantee, Management for efficiency".

Jinan Zhongwei will always stick to providing you with best quality products and sustainable services.

Jinan Zhongwei Cast Grinding ball combine the impact toughness and rockwell hardness perfectly, After the isothermal quenching heat treatment, trace alloy elements was added in to convert the basic composition of spheroidal graphite cast iron from ferrote and pearlite into acicular ferrite and carbon-rich austenite.

Chemical Components of cast grinding ball

Type	Chemial composition(%)
Type	C	Si	Mn	Cr	Mo	Cu	Ni	P	S
Superhigh Chrome (Cr23-30)	2.0-3.3	≤1.2	0.3-1.5	23-30	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
Superhigh Chrome (Cr18-23)	2.0-3.3	≤1.2	0.3-1.5	18-23	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
High Chrome (Cr14-18)	2.0-3.3	≤1.0	0.3-1.5	14-18	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
High Chrome (Cr10-14)	2.0-3.3	≤1.2	0.3-1.5	10-14	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
Medium Chrome (Cr6-10)	2.1-3.3	≤1.2	0.3-1.5	6-10	0-1.0	0-0.8	—	≤0.10	≤0.06
Medium Chrome (Cr3-6)	2.1-3.3	≤2.2	0.3-1.5	3-6	0-1.0	0-0.8	—	≤0.10	≤0.10
Low Chrome (Cr0-3)	2.1-3.5	≤1.5	0.3-1.5	0-3	0-1.0	0-0.8	—	≤0.10	≤0.10

Mechanical Properties and Microstructure of cast grinding ball

Type	Surface hardness(HRC)	Core hardness(HRC)	Microstructure	Falling Times	Impact Toughness
Superhigh Chrome (Cr23-30)	>58	>57	M+C	≥22000	≥6
Superhigh Chrome (Cr18-23)	>58	>57	M+C	≥22000	≥6
High Chrome (Cr14-18)	>58	>57	M+C	≥22000	≥6
High Chrome (Cr10-14)	>58	>57	M+C	≥20000	≥6
Medium Chrome (Cr6-10)	>50	>48	M+C	≥15000	≥6
Medium Chrome (Cr3-6)	>48	>46	M+C	≥12000	≥6
Low Chrome (Cr0-3)	>46	>45	M+C	≥10000	≥6

Grinding Ball Packing Details