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CAST ROLLS GRADE
ALLOY CHILLED IRON ROLLS

Finishing Roll for Wire Rod Mill

HARDNESS DROP

 
Distance from Barrel Surface, mm Hs 70-75 °Sh-C  x 100

CHARACTERISTICS
CHEMICAL COMPOSITION
C Mn Si Cr Mo
1.50 0.70 0.70 0.90 0.25
2.50 1.20 1.10 1.10 0.80

The Graphitic Steel rolls are special high carbon steels with carbon content above 1.50%. The rolls are statically cast single poured subjected to special heat treatment and inoculation.

The structure consists of carbides in a pearlitic matrix with free graphite. These rolls do not have hardness drop. They have better strength and greater resistance to thermal cracking than steel base rolls.

APPLICATION
MECHANICAL PROPERTIES
Barrel
Hardness
Neck
U.T.S Elongation Impact
°Sh-C N/mm2 % J/cm2
40-55
(In steps of 5° Sh-C)
590-785 1.0-3.0 3.0-4.50

Roughing, Intermediate and Finishing rolls for section and structural mills. Applications include heavy section and rail mills, universal beam mills, medium section mills & billet mills. Roughing rolls for plate and sheet mills. Pilger rolls for seamless tube mills.

 

 

 

 

 

 

 

 

 
 

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Designed and Developed by SparX Technologies Pvt. Limited, Jamshedpur, Ph. 0657-2229000/01 Fax : 0657-2229002
Visit Us at : http://www.sparxtech.com