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1. Forging or casting roll is avaible, 2. Length: within 12000mm, 3. As per drawing, 4. ISO 9001-2008 certificate - details see: https://www.machineto.com/backup-roll-support-roll-steel-roll-10159816

Rolls series:

--Backup rolls and work rolls for sheet and strip mills

--Breakdown rolls

--Section mill rolls and sleeves for long product mills

--Backup rolls and work rolls for plate mills.

Quality Standard:

Wear resistance, Damage tolerance, and Fatigue endurance.

Specification of Roll	Scope
Diameter of Barrel	400~3500mm
Length of machining	≤20,000mm
Process	Forging, Casting
Material	Alloy steel, Carbon steel, Iron, etc. (86CrMoV7, 9Cr2Mo,9Cr3Mo, 70Cr3Mo,MC3,MC5,SHSS...)
Barrel hardness	Work roll: ≥ 95HSD, 90~96HSD, 70-90HSD
Neck hardness	30~50HSD, 50~65HSD, 75-90HSD
Barrel hardness evenness	≤3HSD
Hardness depth of barrel(one side)	12~18mm(2%Cr series), 18~35mm(3%Cr series), 20~40mm(5%Cr series)

Chenmical Analysis

Clssification	Hardness	C	Si	Mn	Ni	Cr	Mo
Chilled I	60-70	3.0~3.5	0.25~0.5	0.3~0.8	0.5~1.0	0.4~1.0	0.2~0.6
Chilled II	62-75	3.0~3.5	0.25~0.5	0.3~0.8	1.0~2.0	0.5~1.2	0.2~0.6
Chilled III	65-80	3.0~3.5	0.25~0.5	0.3~0.8	2.0~3.0	0.6~1.5	0.2~0.6
Chilled IV	70-85	3.0~3.5	0.25~0.5	0.3~0.8	3.0~4.5	0.6~1.5	0.2~0.6

Applications

--TMT Rolling Mills

--U-Section Mills

--Thin Flat Rolling

--Mills ICCI Intermediate Stand Rolls

--ICCI Finishing

--Stand Rolls Deep Section Mills

--Round Rolling Mills

--Wire Rod Rolling Mills

--T-Section Mills

--Narrow Strip Mills

Luoyang Mu Yang Mining Machinery Co., Ltd. a private joint-stock enterprise, has3 professional branchesand around30 long-term cooperating machnining factoryin Luoyang industrial park, which could support us to give you thecompetetive price with high quality, as well asthe wide range of products.

The three professional branches:

- Jiuchuang Factory, the main combination plant ofmachining, welding and heat treatment

- Jiuying Factory, the otherprofessional collaboration plantof Jiuchuang Factory

- Large-modulus Factory, with the manufacturing and designing stength ofbig gear and gearbox.

Those so many cooperation factories lead us to a large scale of production:

Working Range:

- Complete sets of equipments

- All kinds of rolls and shafts.

-Large gears and Pinions:

- Welding parts:

- Heat treatment parts:

- Other customized spare parts:

To ensure our quality, our factory provides the following reports to the buyers:

1) Chemical Composition Report

2) Mechanical Properties Report

3) Dimension Test Report

4) Hardness Test Report

5) Heat Treatment Chart Report

6) UT, MT Test Report

7) Or Others according to clients' demand

This is our ISO 9001-2008 Certificate:

If you are interested in any of our products, please contact me freely! We will do our best to make you satisfied.