Grinding media for ball mills

metalowe kule

Delta Sp. J. Jankowski Pluciński Zawada is a company with years of experience in the production of grinding balls. The offered grinding media for ball mills are of the highest quality characterised by high density, low breakage, spalling and abrasive wear making comminution process efficient and cost effective.

There are two production lines used in the production of grinding balls: skew rolling line and stamping press line. The feed material is heated in an induction furnace reaching a precise heating temperature that allows to achieve a greater process stability, repeatability, and, eventually, a very high quality of the end product. As we care about quality first and foremost, several balls are taken from each batch to be tested to ensure that our customers receive the quality products each and every time.


Characteristics of grinding balls

To meet expectations and diverse needs of our customers, we offer grinding balls in various sizes and hardness options. The proposed nominal diameter range is between 25 mm and 100 mm. 
We are offering three hardness options such as:

Quality Hardness Rockwell C (HRC)
Full Hardness 60-65 high abrasion resistance
Intermediate Hardness 55-60 combining impact and abrasion resistance
Reduced Hardness 48-55 high impact resistance

After the customer has decided on the hardness requirements, we then select the suitable chemical composition to achieve the best result from the following range down below:

C Mn Si P S Cr
0.5-1.1 0.3-1.3 0.15-1.1 max. 0.035 max. 0.035 max. 1.6

Delta Sp. J. Jankowski Pluciński Zawada is ISO 9001:2015 certified. A certificate in accordance with 
EN 10204-3.1 is issued for each batch of grinding media. The packing of the grinding balls is carried out in accordance with customer requirements. Our product can be supplied either loose in bulk or packed into big bags or steel drums. Both big bags and steel drums can be delivered on wooden pallets or without pallets.


Contact Information

If you have additional questions or would like to cooperate with our company, please contact us by phone or e-mail. We will be happy to provide comprehensive answers, as well as all necessary information.


Contact Name Phone Number E-Mail Languages
Zenon Jankowski +48 606 930 178

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Polish, English
Sylwia Brzozowska +48 604 274 917

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