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Equipped with one of the best work roll brands, Kaida Roll Group is one of competitive 4 HI mill work rolls manufacturers and suppliers in China, welcome to visit our website.
Forged steel work roll performs as a tool to transform materials under normal room temperature, therefore , it is  the most wear and tear spare parts during the rolling process . With 2%Cr, 3%Cr, 5%Cr material series , we have greatly improved our products both in terms of quality and diversification .
In order to reduce the rolling mill rolls consumption, extend the roll campaign, we hire the best technical and quality team to control the quality, with the most advanced facilities.
Table.1 Physical Performances

SymbolHardnessHardness UniformityDepth of hardnessSize
9Cr2Mo85-102 HSD3HSD8~15mm￠200-600mm
MC385-102HSD3HSD15-30mm￠200-1000mm
MC585-102HSD3HSD20-40mm￠300-1000mm

Pic.1 Harndess Curve of Work Roll 
Table.2 Roll Applications

SymbolType of materialApplication for cold mills
9Cr2Mo2% CrWork rolls for general 4 HI mill
MC33% CrWork rolls and intermediate rolls for reverse cold mills.
MC55% CrWork rolls for tandem mill and skin pass mil

Forged Roll Production Process

Forged materials produced by the most famous special steel company are in line with our production requirements. We keep our continuous innovation and improvement of our products to keep us competitive. Our outstanding operational technology, advanced on site management and rigid quality control at each production step, ensure our quality assurance to our customers..
Main Equipment 
90 ton DC Electrical Arc Furnace
40 ton Ladle Furnace
40 ton Vacuum Degas Furnace
26.5 ton Electro-slag Furnace 
16MN Forging Machine
3000 ton Forging Machine

Forging Machine

Landle Furnace

VOD
CNC Lathe Machine
CNC Milling Machine
CNC Grinding Machine
Double Frequency Quenching Machine
Industrial Frequency Quenching Machine
Large Tempering Furnace
Waldrich Grinding Machine

CNC Lathe Machine

Waldrich Grinding Machine

Conventional Heat Treatment of Back-up Roll

Surface Induction

CNC Milling MachineForged Steel Rolls manufacturers
website:http://www.kdroll.com/forged-steel-rolls/

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