https://www.tinvogroup.com/cast-iron-roll/pearlitic-nodular-cast-iron-roll.html ...    More ...

https://www.tinvogroup.com/cast-iron-roll/pearlitic-nodular-cast-iron-roll.html Chemical Composition
Mill Rolls Item C Si Mn P S Ni Cr Mo Mg
6 3.20~3.70 1.20~2.40 0.40~0.80 ≤0.20 ≤0.03 2.51~3.50 0.10~0.50 0.40~1.00 ＞0.04
Physical properties
Mill Rolls Item hardness HSD roll neck hardness Tensile strengthMpa
1 40~55 32~50 ＞300
2 55~70 35~55 ＞300
3 48~70 35~55 ＞320
4 48~70 35~55 ＞320
5 42~52 32~43 ＞400
6 55~75 35~55 ＞400

Less ...