Professional WORK ROLLS Manufacturer

United Electric Steel’s Davy Company in the United States technical .

LMM GROUP can supply customer with high wear resistance and stablity, high-strength quality rolls .

work rolls

WORK ROLLS

Work rolls are produced using the vertical centrifugal casting method in most cases. Rolls of different materials and types have the following respective advantages.

Product Details

LMM Work rolls have an excellent combination of metallurgical and physical properties with uniform and stable hardness ensuring the highest quality of cold-rolled strip and efficient performance characteristics (resistance to wear, thermal shocks, fatigue contact cracks).

physical index

Designation of rolls

Material

Barrel hardness HSD

Neck hardness HSD

Tensile strength Mpa

work rollⅠ

HCrⅠ

60-75

32-45

>350

work roll  (Ⅱ)

HCrⅡ

65-80

32-45

>350

work roll (Ⅲ)

HCrⅢ

75-90

32-45

>350

work roll

HCrS

70-85

35-45

≥450

chemical index

Designation of rolls

Material

C

Si

Mn

Ni

Cr

Mo

work rollⅠ

HCrⅠ

3.00-3.30

0.30-1.00

0.50-1.20

0.70-1.70

12.00-15.00

0.70-1.50

work rolll (Ⅱ)

HCrⅡ

3.00-3.30

0.30-1.00

0.50-1.20

0.70-1.70

15.01-18.00

0.70-1.50

work rolll(Ⅲ)

HCrⅢ

3.00-3.30

0.30-1.00

0.50-1.20

0.70-1.70

18.01-22.00

1.51-3.00

Work roll

HCrS

1.00-1.80

0.40-1.00

0.50-1.00

8.00-15.00

0.50-1.50

1.50-4.50

Microstructure

Designation of rolls

Material

Microstructure

Work rollsⅠ

HCrⅠ

Bainite +carbide

Work rolls (Ⅱ)

HCrⅡ

Bainite +carbide

Work rolls(Ⅲ)

HCrⅢ

A small amount of bainite + martensite + carbide

Work rolls

CS

tempered martensite + carbide sorbite

Work rolls for rough strip rolling and plate

Cold rolling work roll

LMM GROUP have been supplied to world’s top steel manufacturer :

United Arab EmiratesEmirates Steel
Egypt:Ezz Steel
Russia:MMK,Mechel, NLMK
Luxembourg:RIVA Group,ArcelorMittal
Turkey: Tosyalı Holding,İçdaş,Erdemir Group
Spain: Liberty Steel Group,CELSA Steel Group
India: tata-steel,SAIL, SPL,Erdemir Group etc. We do OEM for Concast and Danieli for a long time

Pre-Sales Service

* Inquiry and consulting support.

* Planning layout and Design requires machinery

* Welcome visit our Factory.

* The production process and before leaving the factory, all performance indicators are strictly tested, and the professional QC team controls according to the process.

 

After-Sales Service

* Engineers available to service machinery overseas.

* IN-TIME delivery goods.

* The quality is tracked throughout the process, and the installation and use are guided throughout the process.

* Long-term technical support.

* Stick to the agreement, do not do anything that violates the agreement, stick to the spirit of the contract to the end.