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Low Chromium Grinding steel Ball

Publishdate:2021-05-24 Views:1903

Low Chromium Grinding Ball /cast Steel Ball for Mining/Cement description:

It  is widely used in powder preparation and ultra-fine deep processing in cement building material, metal mining, coal slurry, thermal power,

chemical engineering, ceramic coating, light paper making industry, magnetic material,AAC Plant - Autoclaved Aerated Concrete Plant ,

Calcium silicate fiber- cement boards , as well steel pelletizing plant  .

Item Grade Chemical Composition(%)
C Si Mn Cr P S Mo Al

(Cu、 Ni、Nb、 Ti、Zr V、B、Mg


High Chrome Grinding ball ZQCrIO 1.8-3.2 0.3-1.2 0.3-1.0 10-11 ≤ 0.10 ≤ 0.06 Minor Minor
Super high chrome Grinding ball ZQCr12 2.0-3.0 0.5-1.0 0.3-1.0 11-13 0.08 0.06 Minor Minor
ZQCr15 2.0-3.0 0.5-0.9 0.3-1.0 14-16 0.08 0.06 Minor Minor
ZQCr17 2.0-3.0 0.5-0.9 0.3-1.0 16-18 0.08 0.06 Minor Minor
ZQCr20 2.0-3.0 0.5-0.9 0.3-1.0 19-21 0.08 0.06 Minor Minor
Properties And Micro-structure
Rockwell Hardness (HRC) Impact test AK( J/cm2) Micro-structure Ball-Drop Impact Test (Times)
Item Grade
High Chrome ZQCr10 58-64 3.0 M+C ≥10000
M -- Martensite C Carbide C ----Carbide
Diameter ( mm) Ø30 Ø40 Ø50 Ø60 Ø70 Ø90 Ø80 Ø90 Ø100 Ø110 Ø120 Ø130

Here are distinguished  detailes of our grinding balls as follows

1. High hardness: From 58 to 68 Breakage rate ≤ 1%; Drop impact times :≥ 10000

2. Chromium percentage: From 10 to 27%

Super High Chrome: 15-26% ,High Chrome: Cr:10-13% ,Medium Chrome: Cr:3-6% ,Low Chrome: Cr:1.0-3.0%

3. Grinding ball diameters from 8 to 150mm

4. Characteristics: High hardness, good wear resistant, low breakage, no deformation.

5. Application: Mining, cement, metallurgy, power plants, chemical and magnets industries

6. Packaging Methods:Heavy-duty Jumbo bag ,steel drum ,pelleted steel drums

7.Loading capacity of steel drum Packaging

Steel drum size(cm): 89 x 58 (Volume: 900kgs N.G. avaliable)

Steel drum palleted on single wooden case

Pallet dimension (cm): 118 x58x12

Drum:diameter17-25mm 1000kg/drum

diameter30-50mm 950kg/drum

diameter60-70mm 900kg/drum

diameter80-90mm 850kg/drum

diameter100-1 50mm 800kg/drum

8.Loading capacity of 20’ shipping container :25-27tons/20’CNTS

9.Loading capacity of  Jumbo Packaging Bags: Dia17mm-Dia150mm, 1000Kgs/ Bag (GW: 1002Kgs)