Graphite Cast Steel Rolls for Section Mill

Customized:	Customized
Condition:	New
Power Source:	Electric
Automatic Grade:	Semi-Automatic
Type:	Steel Rolling Equipment
Certification:	ISO

Customization:	Available \| Customized Request

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Camet Metallurgical Technologies Co., Ltd.

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Product Description

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Basic Info.

Model NO.

84553000

Transport Package

Metal Pallet

Specification

VARIOUS

Trademark

CAMET

Origin

China

HS Code

84553000

Production Capacity

8000 Tons/Year

Product Description

Graphite cast steel roll

Description
The graphitic steel rolls hae a metallographic structure consisting of carbides and a small amount of graphite in he pearlitic matrix. The rolls of this material has tensile strength and better resistance to thermal cracking than adamite rolls of the same hardness, and the wear resisitance of which is better than the cast steel rolls.
Chemical Analysis

Grades	C	Si	Mn	P	S	Ni	Cr	Mo
GS140	1.3~1.5	1.3/1.6	0.5/1.0	≤0.035	≤0.03	0.2/0.8	0.4/1.0	0.5/1.0
GS150	1.4/1.6	1.0/1.7	0.6/1.0	≤0.035	≤0.03	0.2/1.0	0.6/1.0	0.6/1.0
GS160	1.5/1.7	0.5/1.5	0.6/1.0	≤0.035	≤0.03	0.6/1.5	0.6/1.0	0.6/1.0
GS190	1.8/2.0	0.8/1.5	0.6/1.0	≤0.035	≤0.03	1.0/2.0	0.6/1.0	0.6/1.0

Physical Properties

Designation of rolls	Barrel hardness (HSD)	Tensile strength (MPa)	Elongation (%)	Impact toughness (J/cm)
GS140	36~46	>500	≥1.0	≥4
GS150	40~50	>500	≥1.0	≥4
GS160	45~55	>500	≥0.5	≥4
GS190	50~60, 55~65	>500	≥0.5	≥4

Microstructure
Microstructure of working layer in the barrel: perlite + carbide/fine pearlite + small percentage bainite + carbide
Application
Roughing, intermediate stands of section mill and bar mill, roughing stands of high-speed wire-rod mill, roughing stands of hot strip mill, vertical rolls, back-up rolls sleeves, straightening rolls