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cast grinding steel ball

Publishdate:2021-05-24 Views:1923

Medium chrome ball/cast grinding steel ball

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  .

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

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

Cu、 Ni、Nb、 Ti、Zr V、B、Mg


High Chrome Grinding ball ZQCr10 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 44878 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

Load Capacity of packaging materials
Jumbo Bag Steel Drum
Load capacity of Jumbo bag Ball size Net Weight
20-30mm 930-1000KGS
1000kg/bag (GW: 1002Kgs) 40-60mm 900-930KGS
70-90mm 830-880KGS
100mm-150mm 830-850KGS