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High Carbon Tool Steel Solid Forged Backup Rolls For Cold And Hot Rolling Mills

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High Carbon Tool Steel Solid Forged Backup Rolls For Cold And Hot Rolling Mills

Large Image : High Carbon Tool Steel Solid Forged Backup Rolls For Cold And Hot Rolling Mills

Product Details:

Place of Origin:	China
Brand Name:	FAMOUS
Certification:	CE,ISO9001,SASO,SGS
Model Number:	working roller

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	USD 5000 Per Ton
Packaging Details:	Standard seaworthy packing
Delivery Time:	15 days
Payment Terms:	L/C, T/T
Supply Ability:	1000 Tons Per Month

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Detailed Product Description

Stainless Steel Material:	High Carbon Tool Steel	Type:	Backup Roller
Application:	Cold And Hot-rolling Mills	Feature:	Water Proof
Roller Sizes:	460	Shaft/Axle Sizes:	15, 20, 25mm
Packing:	Wooden Case	Plating:	Customized
Precision:	0.01mm
High Light:	steel metal building kits , steel frame building kits

High Carbon Tool Steel Solid-forged Backup Rolls for Cold and Hot-rolling Mills

Rolls are the primary tool for shaping the material, setting the roll final dimensions, surface finish and mechanical properties.

Depending on the service conditions, the strength of backup rolls is achieved thanks to complex alloying using chromium, molybdenum, vanadium, etc.

The roll metal quality is inspected by means of ultrasonic flaw detectors at all main manufacturing stages.

Design features

Carbon steels, high-carbon tool steels and alloyed steels are used to ensure high hardness and wear-resistance of rolls

All backup rolls are made of vacuum degassed steel.

Guaranteed features of solid-forged backup rolls for cold- and hot-rolling mills

High and uniform hardness after power current hardening (within 1-2 HSD over the barrel)

Effective layer depth is min. 40–100mm over the radius

High strength of the roll material combined with ductility

No tendency towards cracking or barrel surface spalling

Absence of metallurgical and structural defects

Minimal level of residual stress

No design flaws impairing the roll performance

Specification

Item	MC3 forged work roller steel rolling mill
Handcrafte	furnace rolls are comprised of statically cast trunions (ends) welded to a centrifugally cast roll body with our unique locking mechanism.
Temperture	can perform in high temperture
Advantage	Our dry rolls are comprised of statically cast trunions (ends) welded to a centrifugally cast roll body used in a tunnel furnace
Advantage	our dry rolls will provide abundant fuel savings through reduced heat loss in the furnace

Rolling mill for hot rolled or cold rolling metal sheet or billets etc.

Different functions of rolls rollers for steel mills:

Work rolls

Backup rolls - are intended to provide rigid support required by the working rolls to prevent bending under the rolling load.

Rolling balance system - to ensure that the upper work and back up rolls are maintained in proper position relative to lower rolls.

Roll changing devices - use of an overhead crane and a unit designed to attach to the neck of the roll to be removed from or inserted into the mill.

Design features

Carbon steels, high-carbon tool steels and alloyed steels are used to ensure high hardness and wear-resistance of rolls

All backup rolls are made of vacuum degassed steel.

Guaranteed features of solid-forged backup rolls for cold- and hot-rolling mills

High and uniform hardness after power current hardening (within 1-2 HSD over the barrel)

Effective layer depth is min. 40–100mm over the radius

High strength of the roll material combined with ductility

No tendency towards cracking or barrel surface spalling

Absence of metallurgical and structural defects

Minimal level of residual stress

No design flaws impairing the roll performance

Mill protection devices - to ensure that forces applied to the backup roll chocks are not of such a magnitude to fracture the roll necks or damage the mill housing

Roll cooling and lubrication systems.

Pinions - gears to divide power between the two spindles, rotating them at the same speed but in different directions.

Gearing - to establish desired rolling speed.

Drive motors - rolling narrow foil product to thousands of horsepower.

Electrical controls - constant and variable voltages applied to the motors.

Coilers and uncoilers - to unroll and roll up coils of metal.

Slabs are the feed material for hot strip mills or plate mills and blooms are rolled to billets in a billet mill or large sections in a structural mill. The output from a strip mill is coiled and, subsequently, used as the feed for a cold rolling mill or used directly by fabricators. Billets, for re-rolling, are subsequently rolled in either a merchant, bar or rod mill. Merchant or bar mills produce a variety of shaped products such as angles, channels, beams, rounds (long or coiled) and hexagons.

DESCIPTION of Work Rolls or Backup Roller:

1) Material: Alloy Steel, Alloy Iron, Ductile Iron namely 9Cr3Mo, 70NiMoV etc.

2) Standard: GB, AISI, SAE, ASTM/ASME, EU, AS/NZS etc

3) Size: According to clients' drawing or design needs

4) Hardness: based on design specification

5) Chemical Composition and mechanical property: as specified.

Packing and preservation

Packing and preservation methods depend on the contract conditions and on the climatic zone where the rolls are going to be supplied, as well as on the transportation and storage conditions.

The items ready to be shipped are covered with a preservative coating – several layers of primer and enamel.

The roll necks are wrapped into anticorrosive paper with polyethylene coating and into waterproof paper.

we can do various customized work rolls ranging in different sizes and processes. please feel free to make any enquiries accordingly.