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Descaling Systems
High-Pressure Descaling Systems for Steel Mills
During reheating, a layer of oxide scale forms on hot steel, and high-pressure water descaling removes it with a sharp impacting jet before rolling. This protects surface quality, reduces rejection and helps extend roll life.
- Removes oxide scale formed during reheating
- High-pressure jet impact with angled water flow
- Improves quality of rolled products
- Reduces rejection and roll maintenance
- Used on billets, blooms, plates, seamless pipes, slabs, strips and profiles
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Descaling Systems
Range, specifications & options
This page describes hydraulic descaling for billets, blooms, plates, seamless pipes, slabs, strips and profiles. Flotronics can support enquiries for descaling systems and related high-pressure pumps and nozzles. Tell us the product size, line speed, water pressure and flow and our engineers will review the requirement and prepare a quotation. Confirm specifications against the datasheet for your exact model before ordering.
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Descaling system
A layer of scale is produced on the surface of metal during re-heating of metal in furnace. Scale is a layer of oxide develop on the surface of the steel because of high temperatures, up to l250 °C, and the presence of oxygen and different gases.Descaling by High-pressure jet produce mechanical force due to high impact pressure of a razor blade like jet (extremely sharp edge) are consider for the removal of the scale from the surface. Scale is discharged from surface of Billet by different rate of contraction of scale. The released scale is washed away with high-pressure water through angled jet.
Why is it required?
The use of hydraulic descaling system in production processes is key measure for the quality of the steel. Increasing demand of reduction in energy consumption, the high demand on quality of the hot rolled product with maximum output, and the increasing proportion of high alloy steel qualities, have to be met by modern descaling systems.
- Increase quality of rolled products
- Reduce repair & maintenance time of pressure rolls which improve life of pressure roll
- Environment friendly process
- Reduce rejection rate of surface defect
- Increase productivity by minimizing waste passes into trimming of billets
Major Application:
Descaling of
- Billets
- Blooms
- Plates
- Seamless pipes
- Slabs
- Strips
- Profiles
Selection guide
What to specify for an accurate quotation
These parameters decide which variant suits your duty. Send what you know — unknown values can be marked for engineering assistance.
Typical applications
- Billet and bloom mills
- Plate and slab rolling
- Seamless pipe plants
- Strip and profile mills
- Forging and reheating furnaces
FAQ
Frequently asked questions
Answers to the questions buyers most often ask before requesting a quotation.
Why is descaling needed in a rolling mill?
Scale left on the surface can be rolled in, creating surface defects and wearing rolls. Removing it improves product quality and reduces rework and rejection.
How does high-pressure descaling work?
Water is delivered through nozzles at high pressure, producing a sharp jet that breaks the scale from the steel by impact and differential contraction, then washes it away.
What do you need to design or quote a system?
Send product dimensions, line speed, descaling width, available water, and required pressure. Our team will review and prepare a proposal.
Can you supply the pumps and nozzles?
We can source high-pressure pumps, nozzles and related equipment. Tell us your requirement and we will check options.
Related
Related products & guides
Need a descaling system for your mill?
Send the product size, line speed, water pressure and flow for a quotation, or ask our engineers to review your descaling requirement.