High Chrome Grinding Balls for Cement Plants

High chrome cast grinding balls for cement mills, available in 17–130 mm with Cr28, Cr17, Cr10 and Cr1 grades. Heat-treated hardness reaches HRC 55–66 depending on grade, with low wear and breakage for dry grinding applications.

High chrome mill ball cast iron ball for cement plant/High Chrome cast iron ball

1. Grade: Cr28,Cr17,Cr10,Cr1

2. Size: DIA 17mm-130mm

3. Hardness: HRC 55-66

4. Certification: ISO9001, ISO14001

High chrome grinding balls for cement plants are wear-resistant cast grinding media produced in Cr28, Cr17, Cr10 and Cr1 grades for dry grinding duty. For broader mill applications, see our grinding media balls and ball mill balls. They feature high hardness, excellent wear resistance, and superior impact resistance, making them ideal for mining, cement, ceramics, and mineral processing industries. Available in diameters ranging from 17mm to 130mm, they can be customized to meet specific customer requirements. With a smooth surface and uniform internal structure, these balls ensure long-term stable performance, significantly improving grinding efficiency and reducing energy consumption. They are an ideal choice for enhancing productivity and minimizing maintenance costs.

Casting grinding balls classification and Chemical Composition

Name

C

Si

Mn

Cr

S

P

Mo

High-Cr-ball/Cylpebs

ZQCr28

2.0-3.5

≤1.0

≤1.5

28-30

≤0.08

≤0.06

≤1.0

High-Cr-ball/Cylpebs

ZQCr17

2.0-3.5

≤1.0

≤1.5

17-18

≤0.08

≤0.06

≤1.0

High-Cr-ball/Cylpebs

ZQCr10

2.0-3.5

≤1.0

≤1.5

10-12

≤0.08

≤0.06

≤1.0

High-Cr-ball/Cylpebs

ZQCr1

2.0-3.5

≤1.0

≤1.5

1-3

≤0.08

≤0.06

≤1.0

Casting grinding balls Mechanical Propety

Name

Hardness(HRC)

/Heat treatment

Hardness(HRC)

/Cast

Impact Value AK.J/cm2

Microstructure

Wear Rate

(g/t cement)

Breakage rate(%)

High-Cr-ball/Cylpebs

ZQCr28

55-65

≥50

≥4.0

M+C

≤25

≤0.5

High-Cr-ball/Cylpebs

ZQCr17

60-65

≥50

≥4.0

M+C

≤25

≤0.5

High-Cr-ball/Cylpebs

ZQCr10

60-66

≥50

≥4.0

M+C

≤30

≤0.5

Low-Cr-ball/Cylpebs

ZQCr1

≥45

≥4.0

P+C

≤1.0

PACKING & DELIVERY

1. Ocean shipping
2. Customers designated transportation mode.
3. Packing Details: A. Steel drums (850-930kgs/drum) b. Flexible container bags(1ton/bag)
4. Delivery Details: Within 15-20 days after received the payment or LC at sight.