Spin Cast High Chrome Iron Rolls

  • Description
Product Detail

Equipped with one of the best spin cast high chrome iron rolls brands, Kaida Roll Group is one of competitive spin cast high chrome iron rolls manufacturers and suppliers in China, welcome to visit our website.

Spin Cast High Chrome Iron Rolls

From the name we can tell the casting process: Spin cast or centrifugal cast double poured. For spun casting, there’re three types, i.e. horizontal, vertical and slant spun casting. 

Compared to static casting, the small qty of high chrome iron outer shell can be fast chilled, result in greater fine dispersed carbides structure. 

The core employs high strength nodular iron, thanks to the high chrome content of outer shell, the silicon content and nickel content should be higher than normal rolls, so as to reduce the carbides content of roll, thus enhance core strength.

Generally speaking, to avoid the chrome spread to core when pouring iron to core, the transition layer should be added between core and shell, the material employs medium-chrome iron, adamite, gray iron, etc. The timing, temperature, molten iron qty should be strictly controlled. 

The pros of this type of roll:

-Relative cost, good properties, great wear resistance, good thermal fatigue resistance, etc, and that’s why it has been widely used.

Chemical Composition %

Symbol

C

Si

Mn

Cr

Ni

Mo

V

HCr?

2.30-3.30

0.30-1.00

0.50-1.20

12.00-15.00

0.70-1.70

0.70-1.50

0.00-0.60

HCr?

2.30-3.30

0.30-1.00

0.50-1.20

15.01-18.00

0.70-1.70

0.70-1.50

0.00-0.60

HCr?

2.30-3.30

0.30-1.00

0.50-1.20

18.01-22.00

0.70-1.70

1.51-3.00

0.00-0.60

Prosperities&Application

Symbol

Hardness
HS

Tensile Strength
MPa

Dimension MM

Unit N.W KGS

Application

HCr?

60-75

=350

F400-1000

800-15000

Vertical rolls and skin pass rolls for hot strip mills, work rolls for medium & heavy plate mills, roll sleeves for universal mills ,work rolls for cold rolled tin plate mills

HCr?

65-80

=350

HCr?

75-90

=350

 

 


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