Double Poured Indefinite Chilled Cast Iron Roll (ICDP)

• Customization: Available
• Type: Steel Rolling Equipment
• Certification: ISO
• Casting Method: Centrifugal Cast
• Barrel Hardness: 70-85hsd
• Core Hardness: 45-55hsd
• Weight: 1-20 Tons
• Transport Package: Steel Rack
• Specification: ISO
• Trademark: CMAET
• Origin: China
• Production Capacity: 20000 Tons/Year

Product Description

Double poured indefinite chilled cast iron roll

 Properties
 The shell has a remarkable mechanical performance. With virtually no fall off in hardness due to the quantity of graphite remains basically unchanged throughout the working layer. The hardness of roll depends mainly on the type of matrix, namely sorbite or martensite.

Chemical Analysis 

Designation of rolls	C	Si	Mn	P	S	Ni	Cr	Mo	V	W	Nb
CrMo indefinite chilled cast iron rolls	2.9/3.6	0.6/1.2	0.4/1.2	≤0.2	≤0.1		0.6/1.2	0.2/0.6
NiCrMo indefinite chilled cast iron rolls (ICDPI)	2.9/3.6	0.6/1.2	0.4/1.2	≤0.2	≤0.1	0.5/1.0	0.7/1.2	0.2/0.6
NiCrMo indefinite chilled cast iron rolls (ICDPII)	2.9/3.6	0.6/1.2	0.4/1.2	≤0.2	≤0.1	1.0/2.0	0.7/1.2	0.2/0.6
NiCrMo indefinite chilled cast iron rolls (ICDPIII)	2.9/3.6	0.6/1.2	0.4/1.2	≤0.2	≤0.1	2.0/3.0	0.7/1.2	0.2/1.0
NiCrMo indefinite chilled cast iron rolls (ICDPIV)	2.9/3.6	0.6/1.5	0.4/1.2	≤0.1	≤0.05	3.0/4.8	1.0/2.0	0.2/1.0
NiCrMo indefinite chilled cast iron rolls (ICDPV)	2.9/3.6	0.6/1.5	0.4/1.2	≤0.1	≤0.05	3.0/4.8	1.0/2.0	0.2/2.0	0.2/2.0	0/2.0	0/2.0

Physical Properties

Designation of rolls	Barrel hardness (HSD)	Neck hardness (HSD)	Tensile strength (MPa)
CrMo indefinite chilled cast iron rolls	55~70	35~55	>160
NiCrMo indefinite chilled cast iron rolls (ICDPI)	60~72	35~55	>160
NiCrMo indefinite chilled cast iron rolls (ICDPII)	62~72	35~55	>160
NiCrMo indefinite chilled cast iron rolls (ICDPIII)	65~75	35~55	>350
NiCrMo indefinite chilled cast iron rolls (ICDPIV)	70~83	35~55	>350
NiCrMo indefinite chilled cast iron rolls (ICDPV)	77~85	35~55	>350

Microstructure

Designation of rolls	Microstructure
CrMo indefinite chilled cast iron rolls	Pearlite + cementite + small percentage graphite
NiCrMo indefinite chilled cast iron rolls (ICDPI)	Pearlite + cementite + small percentage graphite
NiCrMo indefinite chilled cast iron rolls (ICDPII)	Fine pearlite + cementite + small percentage graphite
NiCrMo indefinite chilled cast iron rolls (ICDPIII)	Sorbite + cementite + small percentage graphite
NiCrMo indefinite chilled cast iron rolls (ICDPIV)	Sorbite + cementite + small percentage graphite
NiCrMo indefinite chilled cast iron rolls (ICDPV)	Tempered martensite + small percentage bainite + cementite + small percentage graphite

Application

Designation of rolls	Application
CrMo indefinite chilled cast iron rolls	Section mill, bar mill, intermediate and finishing stands of wire-rod mill
NiCrMo indefinite chilled cast iron rolls (ICDPI)	Section mill, bar mill, intermediate and finishing stands of wire-rod mill
NiCrMo indefinite chilled cast iron rolls (ICDPII)	Section mill, bar mill, intermediate and finishing stands of wire-rod mill
NiCrMo indefinite chilled cast iron rolls (ICDPIII)	Section mill, bar mill, intermediate and finishing stands of wire-rod mill, tube stretch reducing mill
NiCrMo indefinite chilled cast iron rolls (ICDPIV)	Work roll for finishing stands of hot strip mill, Intermediate plate mill, tempered mill
NiCrMo indefinite chilled cast iron rolls (ICDPV)	Work roll for finishing stands of hot strip mill, Intermediate plate mill, tempered mill