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FLACKERS & CRACKERS
 
SEHL - 1017
SEHL - 1018
 
Technical specifications , Size of roll body (in mm)
Diameter Lenght

200
250
300
350
400
450
500
550
600

500 to 1500
500 to 1500
500 to 1500
500 to 1500
500 to 1500
500 to 1500
500 to 1500
500 to 1500
500 to 1500
   
Chill depth : 20 mm to 30mm on radius , Hardness : 480 - 560 bhnv
 
   
Double Poured Indefinite Chill Rolls (Static cast)
Indefinite Chill Rolls
Double Poured Indefinite Chill Rolls
Indefinite Chill Rolls
SEHL - 1017 (A)
SEHL - 1018 (A)
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 resis- tance, stability in shape and good surface finish. The softer core ensures good mechanical properties and resistance to thermal & mechanical loads
The matrix structure varies from fine pearlite to bainite depending on the alloy content. The desired hardness is obtained by changing the carbide/graphite balance which is achieved by a close control of chemistry and process parameters. The roll is tailor made for the mill and its application. The working surface is highly resistant to fire cracking spalling and wear.
   
 
 
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