CHENDDA
Shijiazhuang Chengda Wear resistant materials Co.,LTD. a certified ISO 9001Company, specializes in the design, development, production, and servicing of high chromium wear resistant materials for grinding equipment in cement, mining and quarry industries.CHENDDA manufactures High chromium cast grinding media which is wear, corrosion and impact resistant helps in efficient ball mill grinding.
The national standard requires that the hardness difference between the surface and core is less than 3HRC.
ourc company's patented products, the surface hardness is 59 HRC while the core hardness 58.8 HRC. the internal and external
hardness difference is controlled with in 0.2HRC,the impact toughness is reached 10 J/ cm²
It has been unanimously recognized by the majority of mine metallurgical users.
Excellent wear resistance: The chemical composition of the high chromium alloy wear layer has a high carbon content, and the chromium content is as high as about 30%, the volume fraction of Cr7C3 carbide in the metallographic structure reaches more than 50%, and the macroscopic surface hardness is HRC56~62, which makes its wear resistance significantly improved.
Good impact resistance: the substrate is low carbon steel or low alloy steel and other ductile materials, wear-resistant layer combined with the substrate, showing good impact resistance, suitable for bearing high drop hopper and other impact and wear material handling system.
Good corrosion resistance: Because the alloy layer contains a high percentage of chromium metal, it has a certain rust and corrosion resistance, which is suitable for the occasions of easy adhesion materials
Chromiun Alloy Grinding Steel Balls Chemical Components
Designation |
Chemical Composition(%) |
C |
Si |
Mn |
Cr |
Mo |
Cu |
Ni |
P |
S |
ZQCr26 |
2.0-2.6 |
≤1.0 |
0.3-1.5 |
23.0-27.0 |
≤1.0 |
≤1.0 |
≤1.0 |
≤0.06 |
≤0.06 |
ZQCr20 |
2.0-2.6 |
≤1.0 |
0.3-1.5 |
18.0-23.0 |
≤1.0 |
≤1.0 |
≤1.0 |
≤0.06 |
≤0.06 |
ZQCr15 |
2.0-2.6 |
≤1.0 |
0.3-1.5 |
14.0-18.0 |
≤1.0 |
≤1.0 |
≤1.0 |
≤0.06 |
≤0.06 |
ZQCr12 |
2.2-3.0 |
≤1.0 |
0.3-1.5 |
10.0-14.0 |
≤1.0 |
≤1.0 |
≤1.0 |
≤0.06 |
≤0.06 |
ZQCr8 |
2.2-3.0 |
≤1.0 |
0.3-1.5 |
7.0-10.0 |
≤1.0 |
≤0.8 |
≤1.0 |
≤0.06 |
≤0.06 |
ZQCr5 |
2.2-3.2 |
≤1.0 |
0.3-1.5 |
4.0-6.0 |
≤1.0 |
≤0.8 |
≤1.0 |
≤0.08 |
≤0.08 |
ZQCr2 |
2.2-3.2 |
≤1.0 |
0.3-1.5 |
1.0-3.0 |
≤1.0 |
≤0.8 |
≤1.0 |
≤0.10 |
≤0.10 |
ZQCADI |
3.3-3.9 |
2.4-3.0 |
1.4-1.9 |
0.2-0.5 |
≤0.5 |
0.1-0.5 |
0.1-0.5 |
≤0.05 |
≤0.05 |
Chromium Alloy Grinding Steel Balls Specification
Specification (mm) |
Weight of Each Ball (Kg) |
Pcs/ton |
T/m³ |
φ15 |
0.017 |
58824 |
4.94 |
φ17 |
0.024 |
41667 |
4.91 |
φ20 |
0.037 |
27027 |
4.89 |
φ25 |
0.070 |
14286 |
4.87 |
φ30 |
0.110 |
9091 |
4.85 |
φ40 |
0.257 |
3891 |
4.76 |
φ50 |
0.500 |
2000 |
4.70 |
φ60 |
0.867 |
1153 |
4.66 |
φ70 |
1.070 |
729 |
4.62 |
φ80 |
2.050 |
487 |
4.60 |
φ90 |
2.900 |
345 |
4.58 |
φ100 |
4.000 |
250 |
4.56 |
φ110 |
5.300 |
188 |
4.55 |
φ120 |
6.800 |
147 |
4.54 |
φ125 |
7.750 |
129 |
4.52 |
φ130 |
8.740 |
114 |
4.50 |
Mining balls are one of the most widely used types of grinding media in the mining industry. Made from steel, they are specifically designed for high-impact grinding applications. These balls are essential for breaking down larger rock and ore particles into finer, more manageable pieces.
When it comes to the mining process, the size and material of the mining balls are crucial. The right balance ensures that the balls will provide maximum impact force to break up the material, while also resisting wear and tear over time.
Choosing mining balls of the right hardness and size will optimize the grinding efficiency and help reduce the energy consumed in the process. This will, in turn, reduce operational costs and increase the lifespan of your equipment. For serious mining operations, the right grinding media is not just an option-it's a necessity.
Production equipment
Factory --Clean and orderly factory environmentClean and orderly factory environmentE EnvironmentClean and orderly factory envirnmentnvironmelean and orderly factory environmenttEnvironmentEnvironmentEnvironment
Process flowchart - Quality control
CCTV - interview
On October 9, 2022, Shijiazhuang Chengda Wear-resistant Material Co., Ltd. accepted the interview of CCTV CCTV-13.
Certifications
Three invention patents, 13 utility patents" available, not only greatly promoted the technological progress of the enterprise, but also made the enterprise into the "high-tech enterprises, innovative small and medium-sized enterprises in Hebei Province, specialized and special small and medium-sized enterprises in Hebei Province, small and medium-sized enterprises in Hebei Province" series. It is also supported by the National Innovation Fund.
Packaging & Shipping
(1) Balls can be provided in 1 ton flexible container bag with secure lifting straps. Bags can be strapped onto wooden pallets as per demand.
(2) Balls can be provided in steel drums, 850- 930KGS/DRUM. Drums can be strapped onto wooden pallets as per demand.
(3) We have long-term logistics partners to meet the different trade terms of sea or rail transport.
Company Profile
Shijiazhuang Chengda Wear resistant materials Co.,LTD. a certified ISO 9001Company, specializes in the design, development, production, and servicing of high chromium wear resistant materials for grinding equipment in cement, mining and quarry industries.
CHENDDA manufactures High chromium cast grinding media which is wear, corrosion and impact resistant helps in efficient ball mill grinding.
Our grinding media is tailor made for each milling application. There is a wide range of alloying options which are decided after adequate test work and technical analysis. We manufacture grinding media with chrome content ranging from 1 % to 30 % in sizes ranging from 15 mm to 140 mm as required by the application
Big balls, ranging from 140 mm to 60 mm, Chrome range from 10% - 28%,Optimal Hardness ranging from 57 - 66 HRc , are essentially used in the first chamber of the mills for crushing the feed material. These balls impart potential energy for crushing and thus required to possess a combination of wear and impact resistance
Grinding by attrition is accomplished by numerous small balls of varying sizes from 15mm to 60mm,Chrome range from 10% - 30% and Optimum Hardness ranging from 60 - 69HRc in second chamber. These balls contribute significantly to the grinding efficiency of the mills. Quality control of the final product depends much on the quality of the balls used.
Our commitment is to deliver reduction in wear cost, improve equipment availability, enhance mill productivity, reduce energy cost (Carbon foot-print) and improve metal recoveries through optimization in flotation process. With a legacy of more than 20 years in China , we have set benchmarks in quality, services and innovation, establishing a strong reputation as a solution provider.
The value our products bring to the customers - doing more with less.
Corporate Vision
Gather strength, provide a platform for every striving person to achieve themselves, and create a world-class grinding supplier.
At your service anytime, anywhere! Chengda company has always taken customer needs as the core and driving force of enterprise development, from early communication to process improvement, from product specifications to delivery, each link has a professional team to provide sincere service.
1.Are you a manufacturer or a trader?
Manufacturer, Specializing in the production of gringing media ball materials for two decades.
2.What's the MOQ?
The MOQ varies for different products. Please contact us to understand.
3.how can we guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;
4.Can you provide samples for free?
Yes, we can supply samples for free, and the freight will be undertaken by clients.
5.May I visit your factory?
Yes, we will arrange professional reception personnel to patiently explain to you.
6.Why choose us over other suppliers?
We have a large scale, strong strength, and rich experience, professional technology, and perfect customer service, and have obtained various certifications such as ISO9001.