Professional BACKUP 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 .

backup rolls

BACKUP ROLLS

The static casting and differential heat treatment methods used by LMM make the work of the rolls the ideal way to align the core material with the rolling conditions. After further heat treatment, the roll has the following advantages:

Forged Back-up roll of cold and hot strip mills

Product NameCMnCrMoVNi
3%Cr0.40-0.700.40-0.802.80-3.200.20-0.400.10-0.200.25-0.60
5%Cr0.40-0.700.40-0.805.00-5.400.30-0.500.10-0.200.25-0.60

 

Typical Mechanical Properties

Type of cold rollsTensile strengthDepth of hardnessHardness of neck

hardness of Barrel

Cr2%≥80012-1840-55

Work roll:90-98
Intermediate roll:80-90
Back-up roll:55-75
Temper roll:95-100

Cr3%

≥90020-2840-55Work roll:90-98
Intermediate roll:80-90
Back-up roll:55-75
Temper roll:95-100
Cr5≥100025-4040-55Work roll:90-98
Intermediate roll:80-90
Back-up roll:55-75
Temper roll:95-100

 

The scope of supply:

Type of cold rollsMaterialBody lengthBody Diameter

Overall    length

Cold-rolling work rollsCr2、Cr3、Cr5≤2500≤800

≤5000

Cold-rolling intermediate rolls

Cr2、Cr3、Cr5≤2500≤1000≤5000
Cold-rolling back-up rollsCr3、Cr5≤2800≤1800

≤8000

Cold-rolling temper rolls

Cr2、Cr3、Cr5≤2500≤800

≤5000

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.

work rolls

Get a quote quickly

We would be happy to help and advise if you have any questions or inquiries.