Cast Iron Chill Rolls

Cast Iron Chill Rolls




 
Cast Iron Chill Rolls Chemical Composotion (%)







Definite alloys cill Barrel roll for automatic and semi automatic rolling plant Rolls for definite chill for rolling mills are made with the following comosition. The chill depth of the these roll are generally as per your requirement in inches. However, in special cases higher chill depth can be given. The hardness of such rolls range between 60 to 75. Hollow rolls are pressure tested hydraulically for checking any unsoundness of roll.



 






CHEMICAL COMPOSITION (%)


Hardness Shore C
C
Mn
Mn
Si
P
S
Ni
Cr
Mo
Uts kgmf/mm2


50-60
3.00/3.20
0.60/0.90
0.60/0.90
1.00/1.50
0.15 Max.
0.06 Max.
1.00/1.50
0.80/1.20
0.25/0.40
35-45


60-70
3.00/3.30
0.60/0.90
0.60/0.90
1.00/1.50
0.15 Max.
0.06 Max.
1.50/2.00
0.80/1.20
0.25/0.40
35-45


70-75
3.10/3.50
0.60/0.90
0.60/0.90
1.00/1.50
0.15 Max.
0.06 Max.
1.70/2.50
0.80/1.20
0.25/0.40
35-45






 



1. Chill Roll In definite Chill.2. Hardness 50% to 80% shore hardness3. Shafted fitting with the hydrolic system    No Charge Shafte Play (Vibration)4. More Giving 25% Excess Rolling.