• Drop Test Times：More Than 20000
• Impact Value：More Than 12j,Cm2
• Diameter：20-150mm
• Field：Mine, Cement, Electric Power Plant
• Hardness：55HRC-67HRC
• Packaging：Steel Drum , Container Bag
• Delivery：Prompt
• Transport Package：by Bag or Steel Drums
• Specification：Dia. 20-150mm
• Trademark：HM
• Origin：China
• HS Code：73261100
• Production Capacity：200, 000 Mt,Year

Main ProductClassificationCast Iron BallLow Cr,Medium Cr,High CrForged BallC45,60Mn,B2,B3Hot Rolling BallC45,60Mn,B2,B3CylpebsC45,60Mn,B2,B3Grinding RodsLow Cr,Medium Cr,High CrLinersMn13Cr2,High Chrome

 

 

2. Grinding Steel Balls Chemical Elements

 

 

Material

 

Chemical Composition

 

 

C

 

Si

 

Mn

 

Cr

 

P

 

S

 

Ni

 

Cu

 

C45

 

0.42-0.5

 

0.17-0.37

 

0.5-0.8

 

≤0.25

 

≤0.035

 

≤0.035

 

≤0.25

 

≤0.25

 

60Mn

 

0.55-0.65

 

0.17-0.37

 

0.7-1.0

 

≤0.25

 

<0.04

 

<0.04

 

≤0.3

 

≤0.25

 

B2

 

0.72-0.85

 

0.17-0.37

 

0.7-1.0

 

0.4-0.6

 

≤0.025

 

≤0.025

 

≤0.02

 

≤0.02

 

B3

 

0.58-0.66

 

1.3-1.9

 

0.65-0.8

 

0.7-0.9

 

≤0.025

 

≤0.025

 

≤0.02

 

≤0.02

 

3. Cast Iron Ball,Cylpebs Chemical Elements

 

MaterialCSiMnCrPSLow Cr2.2-3.4≤1.20.5-1.51.0-1.5≤0.06≤0.06Medium Cr2.0-3.2<1.00.5-2.5≥5≤0.06≤0.06High Cr2.0-3.2<1.00.5-2.5≥10≤0.06≤0.06

 

4. Grinding Steel Balls Hardness

 

 

Size

 

C45

 

60Mn

 

B2

 

B3

20mm55-5858-6260-6462-6530mm55-5858-6260-6462-6540mm55-5858-6260-6462-6550mm55-5858-6260-6462-6560mm55-5858-6260-6462-6570mm53-5658-6260-6461-6380mm53-5658-6259-6360-6590mm50-5558-6257-6160-65100mm48-5257-6156-6060-65110mm48-5257-6155-6058-64120mm48-5257-6155-6056-63130mm48-5257-6155-6056-63140mm48-5257-6155-6056-63150mm48-5257-6155-6056-63

 

5. Cast Iron Ball,Cylpebs Hardness

 

TypeLow CrMedium CrHigh Cr20mm-150mm45-5048-5558-63

 

Grinding Steel Bals new steel drums packages.