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High chromium Blow Bar

High chromium cast iron (Cr14%-30%) has the best abrasion resistance and wide application range, such as small and medium sized mill liner, ball and casting.Small crusher hammer head and plate hammer.

Low chromium cast iron (Cr1.5%-3%)mainly used for casting ball, casting section and fine grinding bin lining board.

Medium chromium cast iron (Cr8%-14%) is between high chromium cast iron and low chromium cast iron.

Material specification

High Chrome Casting Material Chemical Composition

Code     Elem

C

Si

Mn

Cr

Mo

Na

Cu

P

S

HRC

KmTBCr4Mo 

2.5-3.5

0.5-1.0

0.5-1.0

3.5-4.5

0.3-0.5

-

-

0.15

0.10

55

KmTBCr9Ni5Si2

2.5-3.6

1.5-2.2

0.3-0.8

8.0-10.0

0-1.0

4.5-6.5

4.5-6.5

-

-

58

KmTBCr15Mo 

2.8-3.5

1.0

0.5-1.0

13-18

0.5-3.0

0-1.0

0-1.0

1.0

0.06

58

KmTBCr20Mo 

2.0-3.3

1.2

2.0

18-23

3.0

2.5

1.2

1.0

0.06

60

KmTBCr26

2.3-3.3

1.2

1.0

23-30

3.0

2.5

2.0

1.0

0.06

60

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