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ROLLS
DOUBLE POURED INDEFINITE CHILL ROLLS(STATIC CAST)
Roll Material Application

Finishing Work Roll for Hot Strip Mill



 

CHARACTERISTICS

These rolls have hard alloy iron on the working layer and soft grey iron or SG iron core depending upon the application. The shell matrix with proper distribution of carbides and graphite imparts high wear resistance, stability in shape and good surface finish. the softer core ensures good mechanical properties and resistance to thermal & mechanial loads.

APPLICATION

Particularly suitable for rolling of flat products in Hot strip mills, Plate mills and the first stand of Tinplate Tanderm cold mills. Suitable for the finishing stands of wire rod mills as well. Can also be used for cold rolling of non-ferrous sheets.

 


Hs 75-85 °Sh-C Shell x 100


Hs 34-45 °Sh-C SG Iron Core x 100

Hs 75-85 °Sh-C Grey Iron Core x 100
CHEMICAL COMPOSITION
C Ni Cr Mo
3.15-3.35 3.80-4.20 1.40-1.80 0.30-0.50
3.25-3.45 4.20-4.50 1.60-1.90 0.30-0.50
 
CHEMICAL COMPOSITION
C Ni Cr Mo
3.00-3.50 1.50-2.00 0.45-0.75 -
3.20-3.50 1.80-2.50 0.50 max 0.04-0.07
MECHANICAL PROPERTIES
Barrel Hardness Neck
Hardness U.T.S Impact
°Sh-C N/mm2 J/cm2  
       
65-70 (in step
of 5° Sh-C)
75-85
(in steps
of 5° Sh-C)
35/45
(GI Core)
35/45
(SG Core)
200-250
350-500
2.00 max
3.50max
 


 
 

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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