Therma® provides a combination of high strength with excellent thermal characteristics to solve the problems of heavy fire-cracking in Roughing and Intermediate Stands.

Complex heat treated Cr-Ni-Mo alloywed pearlitic nodular cast iron

APPLICATION Bloom and Billet mills, Roughing stands of all long product mills and Seamless Mills
C% 3 - 3.5
Si% 1 - 2.5
Mn% 0.3 - 1.5
Ni% 1 - 5
Cr% + Mo% Up to 2.5

*The hardness adjustment is obtained during a complex heat treatment process. 
For production, we need a range of 5 ShC which needs to be specified in the roll order.

Our technical team can help to determine the most suitable grade, degree of hardness and manufacturing method to meet with individual mill conditions and specifications.

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