Casting Grinding Steel Ball

Description

Material

C

Mn

Si

Cr

S

P

Cu

high chrome ball

ZQCr26

2.0-3.3

0.3-1.5

≤ 1.0

23-30

≤0.06

≤0.10

0-1.2

high chrome ball

ZQCr20

2.0-3.3

0.3-1.5

≤ 1.0

18-22

≤0.06

≤0.10

 0-1.2

high chrome ball

ZQCr15

2.5-3.3

0.3-1.5

≤ 1.0

14-18

≤0.06

≤0.10

0-1.2

medium chrome ball

ZQCr8

2.1-3.3

0.3-1.5

0.5-2.2

7-10

≤0.06

≤0.10

0-0.8 

low chrome ball

ZQCr2

2.2-3.6

0.3-1.5

≤ 1.0

1.0-3.0

≤0.10

≤0.10

0-0.8

bainite ductiles ball

ZQSi3

3.2-3.8

2.0-3.0

2.0-3.5

-

≤0.03

≤0.10

-