High chrome grinding ball

  • High chrome casting alloy grinding ball
  • High chrome casting alloy grinding ball
  • High chrome casting alloy grinding ball
  • High chrome casting alloy grinding ball
  • High chrome casting alloy grinding ball
High chrome casting alloy grinding ballHigh chrome casting alloy grinding ballHigh chrome casting alloy grinding ballHigh chrome casting alloy grinding ballHigh chrome casting alloy grinding ball

High chrome casting alloy grinding ball

  • Diameter:10-130mm
  • Hardness:58-65HRC
  • Breakage:0.5%
  • Heat treatment:quenching and tempering
  • Product description: High chrome casting alloy grinding ball is high hardness,low abrsion and low breakage widely used for cement,mines,electrical power station,chemical industrial and pile mill
  • INQUIRY


Diameter(mm)

Φ8

Φ10

Φ12

Φ15

Φ17

Φ20

Φ25

Φ30

Φ40

Φ50

Φ60

Φ70

Φ80

Φ90

Φ100

Φ110

Φ120

Φ130

Chemical Composition

Name

Designation

C

Si

Mn

Cr

P

S

Rare earth

High chrome casting alloy grinding ball

ZQCr12

2.0-3.3

≤1.0

0.5-1.5

≥10-14

≤0.08

≤0.08

Trace

Properties and Microstructure

Name

Designation

Surface  Hardness HRC)

Core  Hardness (HRC)

Impact Value(J/CM2)

Microstructure

Time of falling balls

High chrome casting alloy grinding ball

ZQCr12

≥58

≥56

2

M+C

≥15000

Tolerance of Diameter

Diameter

Φ10-Φ25

25<Φ<60

60<Φ≤100

100<Φ

Tolerance of Diameter

+1.0

+1.5

+2.0

+3.0

-1.0

-1.0

-1.0

-1.0




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