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Centrifugal Cast steel roll
Properties
The mechanical properties are improved due to pressure of chilled surface structure and the change of pine tree-like structure. The hardness and type of matrix of roll depend on the conditions of application. The roll produced with centrifugal method basically eliminates the presence of graphite in its work layer while the core is made of nodular cast iron, increasing as a result, both the wear-resistant and breaking strength.
Applications
For wire, bar and small section or light-duty material rod mills.
Mechanical Properties
Hardness of shell HSD 65-85
Hardness of neck HSD 35-48
Tensile Strength of Core > 450Mpa
Chemical Analysis
Grade Hardness(HSD) C Si Mn Ni Cr Mo
indefinite1 65-75 3.0/3.5 0.25/0.5 0.3/0.8 0.8/2.0 0.4/1.0 0.2/0.6
indefinite2 65-80 3.0/3.5 0.25/0.5 0.3/0.8 2.0/3.0 0.5/1.2 0.2/0.6