The alloy infinite chilled cast iron roll(ICDP) is centrifugal casting, it has double chemical, the outside has a high tensile strength and the inside is a lower one, the drop of the hardness is lower.It is usually used for the finishing mill to roll the final material, to roll the angles, bars, flats and so on.
Standard includes ISO, GB, ASTM, DIN, JIS.

bar & wire rod mill, hot strip mill, cold strip mill, PC mill, section mill, plate rolling mill and nonferrous mill etc.

Roll name	C	Si	Mn	P	S	Ni	Cr	Mo
Cr-Mo infinite chilled cast iron roll	3.20~3.70	0.80`1.20	0.60~1.00	≤0.20	≤0.10	/	0.60~1.20	0.20~0.60
Ni-Cr-Mo infinite chilled cast iron roll(I)	3.20~3.70	0.80`1.20	0.60~1.00	≤0.20	≤0.10	0.50~1.00	0.70~1.20	0.20~0.60

Ni-Cr-Mo infinite chilled cast iron roll(II)	3.20~3.70	0.60~1.00	0.60~1.00	≤0.20	≤0.10	1.01~2.00	0.70~1.20	0.20~0.60
Ni-Cr-Mo infinite chilled cast iron roll(III)	3.20~3.70	0.60~1.00	0.60~1.00	≤0.20	≤0.10	2.01~3.00	0.70~1.20	0.20~0.6

Roll name	Roll-body hardness HSD	Roll-neck hardness HSD	Tensile strength Mpa
Cr-Mo infinite chilled cast iron roll	55~70	35~55	>160
Ni-Cr-Mo infinite chilled cast iron roll(I)	60~72	35~55	>160

Ni-Cr-Mo infinite chilled cast iron roll(II)	62~72	35~55	>160
Ni-Cr-Mo infinite chilled cast iron roll(III)	65~75	35~55	>160

Roll name	Metallurgical structure
Cr-Mo infinite chilled cast iron roll	Pearlite + cementite + a little graphite
Ni-Cr-Mo infinite chilled cast iron roll(I)	Pearlite + cementite + a little graphite

Ni-Cr-Mo infinite chilled cast iron roll(II)	Fine pearlite + cementite + a small amount of graphite
Ni-Cr-Mo infinite chilled cast iron roll(III)	Type body + cementite + a small amount of graphite

High Tensile Strength Chilled Cast Iron Rolls and Centrifugal Casting Roll

Electric Arc Furnace