Grinding Media Balls for Ball Mill

Product Description

Company Profile
CNBM INTERNATIONAL CORPORATION is a primary subsidiary of China National Building Material Group . And CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203th in 2019).It is the largest building material manufacturer and service provider in the world.

CNBM Group is integrated with four business segments: Manufacture, R&D,Sets of equipment and Logistics trading.Grinding Balls are our main products.

CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.


Our Products 
We can produce high quality grinding media with different hardness grades and chemical composition on request. Our products as follows:
1. Forged Grinding Balls with diameters from 20mm to 220mm
2. Rolled grinding balls with diameters from 20mm to 90m.
3. High, medium, and low chrome alloyed Cast Grinding Balls with diameters from 15mm to 120mm
4. High, medium, and low chromeCast Grinding Cylpebs
5. Grinding Rods
6. Decorative Steel Balls with diameters from 15mm to 180mm


Product Specification

Chemical Composition
Name	Brand name	Chemical Composition(%)
		C	Si	Mn	Cr	Mo	P	S
High and ultra-high chromium alloy casting balls	AQCr-12	2.0~3.3	≤1.2	0.3~1.5	10.0~14.0	0~3.0	≤0.10	≤0.06
	AQCr-15	2.0~3.3	≤1.2	0.3~1.5	14.0~18.0	0~3.0	≤0.10	≤0.06
	AQCr-20	2.0~3.3	≤1.2	0.3~1.5	18.0~23.0	0~3.0	≤0.10	≤0.06
	AQCr-26	2.0~3.3	≤1.2	0.3~1.5	23.0~30.0	0~3.0	≤0.10	≤0.06

 

Mechanical Properties And Microstructure
Name	Brand name	Hardness(HRC)		AK(J/cm²)	Microstructure	Time of Falling Balls
		as-quenched condition(A)	Unquenchable state(A)
High and ultra-high chromium alloy casting balls	ZQCr-12	≥58	≥49	≥3.0	M+C	≥10000
	ZQCr-15	≥58	≥49	≥3.0		≥10000
	ZQCr-20	≥58	≥50	≥3.5		≥10000
	ZQCr-26	≥58	≥50	≥4.0		≥10000

Quality control
Our company Strictly sticking to the ISO9001 :2000Quality Management System Standards, we establish and perfect the   quality control  standards and process documents. We also  dradually improve the quality assurance system. In every process from raw material entering to finished products leaving, we have full-time inspectors to check and control the quality by self-inspection in workshop, random checking by the quality testing department, and final test in the test room. By casting excellent quality products, we are endeavoring to create our outstanding brand.


Technological Process


Factory&Production Line

*Automatic production line of green sand (DISA production line)

*Lost-foam casting(LFC)  production line


*Full automatic production line for casting ball


Testing Equipment


Customers Visit


Our service
1.Any inquiry will be quoted within 48hours
2.Exclusive and unique solutions will be provided by our well-experienced senior consultant team
3.You can get more information about Chinese market from us
4.Timely deliver
5.Special discount and protection of sales area will be provided to our distributor



FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.

Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.

Q:Do you accept OEM service?
A:Yes, we do.

Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.

Q:What is the payment term?
A:Our payment terms are negotiable.

Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your drawings