Forged intermediate rolls
Forged steel intermediate roll applies to high precision 6-Hi(as well as a few 8 Hi) mills. its name is from the working location between working roll and back-up roll. The intermediate rolls are mainly used to control the shape of strip. The different Materials of 2%Cr,3%Cr,5%Cr and semi-high speed steel (SSH) can be used according to different requirements of hardness depth.
Harndess Curve of Intermediate Roll
|Symbol||Hardness||Hardness Uniformity||Depth of hardness||Size|
|Symbol||Type of material||Application for cold mills|
|9Cr2Mo||2%Cr||Work rolls for general 4 HI mill|
|MC3||3% Cr||Work rolls and intermediate rolls for reverse cold mills.|
|MC5||5% Cr||Work rolls for tandem mill and skin pass mill|
Other dimensions or materials requirements can be produced under customers requirements.