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ALLOYED CASTING IRON BALLS

·HIGH CHROME CASTING IRON BALLS , LOW CHROME

CASTING IRON BALLS·SIZE : φ17-φ130mm

 

·CHEMICAL ELEMENTS

ITEMS

CODE

CHEMICAL ELEMENITS

C

Si

Mn

Cr

Mo

Cu

Ni

P

S

HIGH CHROME CASTING IRON BALL

ZBCr26

2.0 ~ 2.8

≤1.0

0.5 ~ 1.5

22 ~ 28

0 ~ 1.0

0 ~ 2.0

0 ~ 1.5

≤0.10

≤0.06

HIGH CHROME CASTING IRON BALL

ZBCr20

2.0 ~ 2.8

≤1.0

0.5 ~ 1.5

18 ~ 22

0 ~ 2.5

0 ~ 1.2

0 ~ 1.5

≤0.10

≤0.06

HIGH CHROME CASTING IRON BALL

ZBCr15

2.5 ~ 3.2

≤1.0

0.5 ~ 1.5

12 ~ 17

0 ~ 3.0

0 ~ 1.0

0 ~ 1.5

≤0.10

≤0.06

MIDDLE CHROME CASTING IRON BALL

ZBCr8

2.1 ~ 3.2

0.5 ~ 2.2

0.5 ~ 1.5

7 ~ 10

0 ~ 1.0

0 ~ 0.8

0 ~ 1.5

≤0.10

≤0.06

LOW CHROME CASTING IRON BALL

ZBCr2

2.2 ~ 3.6

≤1.2

0.5 ~ 1.5

1.5 ~ 3.0

0 ~ 1.0

0 ~ 0.8

-

≤0.10

≤0.10

BAINITE DUCTILE CASTING IRON BALL

ZBSi3

3.2 ~ 3.5

2.0 ~ 3.5

2.0 ~ 3.0

-

-

-

-

≤0.10

≤0.03


·MECHANICAL PROPERTIES

ITEMS

BRAND

SURFACE HARDNESS

ENDURANCE IMPACT TEST TIMES

QUENCHED

UNQUENCHED

HIGH CHROME CASTING IRON BALL

ZBCr26

≥56

≥45

≥8000

HIGH CHROME CASTING IRON BALL

ZBCr20

≥56

≥45

≥8000

HIGH CHROME CASTING IRON BALL

ZBCr15

≥56

≥49

≥8000

MIDDLE CHROME CASTING IRON BALL

ZBCr8

-

≥48

≥8000

LOW CHROME CASTING IRON BALL

ZBCr2

-

≥45

≥8000

BAINITE DUCTILE CASTING IRON BALL

ZBSi3

≥50

-

≥8000

·SIZES OF CASTING BALLS

ITEMS

SIZES

φ10

φ15

φ20

φ25

φ30

φ40

φ50

φ60

φ70

φ80

φ90

φ100

φ110

φ120

φ130

TOLERANCE

+1.0
-0.5

+2.0
-1.0

+3.0
-1.0

+3.5
-1.5

DIFFERENCE BEITWEEN MAX DIAM AND MIN DIAM

≤1.0

≤2.0

≤3.0

≤4.0




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