descaling of hot rolling mill

Hot Rolling Mill Rolls Manufacturer - UKOCARBIDE

Carbide Mill Rolls for Hot Rolling Mill will improve product quality, reduce downtime and increase productivity to bring better production economy.Tungsten Carbide Mills Rolls are mainly used in wire rod rolling mill, steel rebar rolling mill.. Grades of Carbide Mill Rolls:

hot roll mill descaling system

We offer high pressure Rotary & Stationary Descaler Lines for, rolling mill descaling to remove, descaling systems with stationary jets. 【Live Chat】 EP2862673A1 - High temperature and mechanical descaling, efficiency descaling method of a hot-rolled steel, systems is selected so as to descale, mill for water descaling and then rolled in.

Sheet metal descaling system for hot rolling mill plant

We have created an entire descaling plant for a customer steel mill, an international leader in sheet metal manufacturing.. The descaling system has a fundamental function inside a hot rolling mill plant: it eliminates the slag or the surface calamine present on the metal by projecting metallic grit. In addition to superficially cleaning the sheet metal, the descaling system, equipped with 600 ...

JP3331860B2 - Hot rolling material descaling equipment ...

JP3331860B2 JP10380596A JP10380596A JP3331860B2 JP 3331860 B2 JP3331860 B2 JP 3331860B2 JP 10380596 A JP10380596 A JP 10380596A JP 10380596 A JP10380596 A JP 10380596A JP 3331860 B2 JP3331860 B2 JP 3331860B2 Authority JP Japan Prior art keywords nozzle hot pitch descaling pressure water Prior art date Legal status (The legal status is an assumption …

Buma | Hot Rolling

High Pressure Descaling with Ancillary Units Customer: Böhler Bleche . To increase the descaling effect a new high pressure descaling unit was installed. Buma made the whole engineering. This contains: / High pressure descaling / Lifting roller table / Chain seesaw

12--3D-Evaluation Method for Descaling Capability of Hot ...

Keywords: HSM (Hot Strip Mill), Descaling, Rolled in scale, Impact force, Erosion pattern 1. INTRODUCTION Descaling is a key process of hot rolling, especially when a good surface quality of the hot rolled products is demanded. Many studies have been made on the descaling technique of the hot strip mill (HSM) process (1-3). The key descaling ...

Descaling----Part of the Hot Rolling Process - Industry ...

The hot rolling process has been divided into many steps of the process, this article mainly talks about the Descaling. The detail of it as following: Between the Crop Shear and th e first Finishing Mill Stand sits the #2 ScaleBreaker, which is tasked with the final scale removal operation. Sprays above and below the transfer bar blast it with 1,500 psi jets of water to break up the scale that ...

Roughing Mill - an overview | ScienceDirect Topics

John G. Lenard, in Primer on Flat Rolling (Second Edition), 2014. 2.7 Generation III – Coil Box Hot Strip Mills. In the 1970s, Stelco of Canada developed the hot coil box designed for installation in hot strip mills ahead of the finish mill for coiling the transfer bar from the roughing mill and uncoiling it into the finishing mill. The coil box reduced the distance between the roughing mill ...

US3518736A - Rolling mill descaling device - Google Patents

US3518736A US3518736DA US3518736A US 3518736 A US3518736 A US 3518736A US 3518736D A US3518736D A US 3518736DA US 3518736 A US3518736 A US 3518736A Authority US United States Prior art keywords strip frame arm looper rolling mill Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

PRIMARY DESCALING TECHNOLOGICAL PACKAGE FOR …

The rolling in of the scale also increases roll wear with reduced roll life. Therefore the slabs must have this oxide layer removed before rolling in the mill stand. This scale removal is undertaken in the Primary Descaling Unit which is located immediately downstream from the reheat furnace and before the rolling mill stand. PRIMARY DESCALING

Steel Mill: Rolling and Descaling of Hot Steel Slabs - YouTube

Jun 19, 2011· The red hot steel slab is manipulated into position first, then blast by high pressure water jets to descale the surface The slab then passed through the mill stands to roll the slab down to size.

Carbide Descaling Roller Manufacturer -UKOCARBIDE

Dec 22, 2016· Descaling Roller Stress-relieving Roller Straightening Roller Guide Roller Carbide Descaling Rolls are made of tungsten carbide or steel and are used for the mechanical descaling of entry rod in reduction mills. Stress-relieving Rolls are made of tungsten carbide to improve the mechanical characteristics of the Cold Rolling wire.

Rolling of hot strip and strip defects – IspatGuru

Jan 14, 2017· Hot Rolling is employed for rolling of steel slabs to hot strips in hot strip mills. Like any other hot rolling operations, rolling of hot strip is also a plastic deformation of the material of the slab caused by compressive force applied through a set of rolls. The cross section of the slab is reduced by the hot rolling process.

(PDF) 2020 Technology and Operation of a Hot Rolling Mill

The descaling operation on a Hot Strip Mill (HSM) uses high pressure water jets to remove the thick, hard and brittle oxide scale, in order to avoid oxide embedding into the metal which degrades ...

Water descaling unit for rolling mill - ENCE

These units are widely used in the manufacturing process after reheating furnaces,as well as before and after mill rolling stands. As an example,Company ENCE (ЭНЦЕ ГмбХ) offers one of the template solutions for water descaling units. This solution has been developed for the mill 2800, according to the following initial data.

Billet Selection and Heating of Hot Rolled Wire Rod Mill

Billet Selection and Heating of 0.8MTA Hot Rolled Wire Rod Mill Production Line. In this Hot Rolled Wire Rod Mill production line because of the close distance between the continuous casting machine and rolling line, the hot billet is used as raw material and hot charging process of continuous casting billet is …

DESCALING TECHNOLOGY - SMSgroupInc

S MIE AG Hot Flat Rolling Mills 2 SMS Siemag does not treat descaling as an isolated measure but as an integral part of the process chain from continuous casting through hot and cold rolling up to final strip processing. Strips with an excellent surface quality can be produced only if well-tuned measures are taken in all process steps.

Billet descaling - YouTube

Sep 11, 2015· Descaling is the process of removing iron oxide scale layers from the hot steel surface by the means of high pressure water jets arranged in a so-called descaling box (or 'mill descaler ...

Descaling | Lechler

Jun 01, 2016· Regarding hot rolling of steel, the quality of the rolled metal surfaces depends to a large extent on effective descaling. In order to avoid surface damage, iron oxide scale layers are therefore removed from the hot steel surface by high-pressure water spraying prior to the actual hot rolling …

An effective descaling system for hot rolling

The mechanical design calculations and features of a modern high-pressure descaler systems at Dofasco No. 2 hot mill to effectively remove the types of scale that grow during hot rolling ...

Prevention Red Scale Formation during Hot Rolling Steels

Hot Rolling Mill Layout of laboratory 3tandemrolling mill is given in Fig. 1. Themill consists of twoelectric furnaces, anedger, awater jet descaler, a 3tandemrolling mill anda water spray. Themaximumheating temperature of the electric furnace is 1300'C. Agaseousmixture of N2. C02and H20was used to simulate the conditions inside a No. 1Mill No ...

Effects of Hot Rolling and Descaling Condition on Red ...

The effects of hot rolling and descaling condition on the strip surface color and scale structure were examined. Irrespective of Si content in steel, the hot rolled strip surface became red when the scale thickness before rolling was above 20μm and the rolling temperature was below 900°C.

Hot Rolling - an overview | ScienceDirect Topics

When hot rolling steel in the laboratory, using relatively small rolling mills, values of 4–20 kW/m 2 K appear to be the correct magnitudes. If modelling hot rolling of steel under industrial conditions, values of 50–120 kW/m 2 K are more useful. In both cases, the layer of scale is an important parameter.

SOLUTIONS FOR HOT ROLLING MILLS

HOT ROLLING MILLS DESCALING CATALOG TABLE OF CONTENTS SECTION TABLE OF CONTENTS. PLACING YOUR ORDER Call your local steel specialist for application assistance or to place an order. DESCALING NOZZLE QUICK REFERENCE GUIDE Model Flow Rate Range at 2000 psi (138 bar) gpm (lpm) Max. Operating Pressure

PAPER - Descaling system optimization in a Compact Endless ...

Descaling, Compact Endless Cast and Rolling Mill, CEM, Nozzle, Spray Energy 1. Introduction Hot rolling predetermines the surface quality of the final product significantly. In order to create ideal conditions for an optimum rolling process accurate descaling is essential.

Mechanical Processes for Descaling of Steel – IspatGuru

Sep 08, 2017· Mechanical Processes for Descaling of Steel. Scale is the product of oxidation which takes place during hot rolling. The oxidation and scale formation of steel is an unavoidable phenomenon during the process of hot rolling which involve reheating of steel in a reheating furnace, multi-pass hot rolling and air-cooling in the inter-pass delay ...

descaling system for hot rolling mill

Rolling of steel in Hot Strip Mill – IspatGuru. The main sub-processes are (i) heating of steel slabs in the reheating furnace, (ii) descaling of the heated slab and its sizing in sizing press, (iii) rolling in the roughing mill and secondary descaling, (iv) rolling in the finishing mill, (v) control cooling of the hot rolled strip and (vi) coiling of the rolled strip.