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Steel Mill: Rolling and Descaling of Hot Steel Slabs . Jun 19, 2011, The red hot steel slab is manipulated into position first, then blast by high pressure water, Steel Mill: Rolling and Descaling of Hot Steel Slabs, skew rolling mill working in Turkey,steel ball forming machine,steel ball making.

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DescalingPart 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.

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FR2740061A1 Process for the continuous line preparation

A process for producing, on a continuous line, a strip of rolled stainless steel sheet having an improved surface condition, characterized in that the hot formed sheet is subjected mainly to, a tensile planing producing a residual elongation of 1 to 5%, to crack the oxide layer and to plane the sheet, a primary stripping ensuring the removal of the scale, <BR/> a cold rolling in no more

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System and method for preventing scale defects during hot

Dec 03, 2003 · Abstract of EP1034857 A system and a method are disclosed for preventing scale defects during hot rolling by hot rolling equipment having a scale breaker (FSB) provided at an entry side of a finishing mill line (F) composed of a plurality of rolling mills (F1 to F7) arranged in tandem.

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Descalingforhotrollingmill. Tuinverlichtingbestellen EXECUTIVE SUMMARY SLIDEBLAST . Executive Summary some countries, a single company can account for 50 % or more of the national output. In addition to the major integrated steel tube manufacturers (mainly producing welded tubes), there are a relatively large number of small and medium

The effect of oxide scale of stainless steels on friction

Jul 29, 2011 ·Ł. Introduction. The deformation behaviour of oxide scale is an important topic in hot strip rolling, which depends on oxide scale thickness, constitution and rolling parameters, etc. .The mechanical properties of oxide scale are attributed to temperature .The deformation or fracture of oxide scale significantly affects the roll–strip interface behaviour .

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The oxidation kinetics of ferritic stainless steel 430 was studied in dry and humid air at 1090 °C by Thermo Gravimetric Analysis (TGA). Different atmospheres and heating times were adopted for reheating to obtain different compositions and thickness of the oxide scale.


3 Effective descaling is the prerequisite for a perfect surface finish. Modern descaling unit for removal of secondary scale. OUR ADVANTAGESComplete descaling unit with well

Advancement in Understanding of Descalability during High

This paper building upon studies [1‐8] describes a subset of the High Pressure Water (HPW) descaling strategy developed at Tata Steel UK to optimise descaling setups for range of steel grades prone to adherent primary scale such as in high alloy steels (Si, Ni, Cr). Effective primary descaling, i.e. descaling post furnace discharge via washbox or alternative technologies is imperative to

Study of Convective Heat Transfer Coefficient of High

In order to improving the product quality of hot rolled plate, the iron scale was removed by high pressure water descaling before hot rolling. The billet temperature dropped when a large amount of high pressure water injected on the billet surface. Establishing reasonably mathematical model of temperature field was very important, because it was related to formulate correctly rolling technology.

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descalingforhotrollingmill vrolijkts . Temperature drop of steel bye hydraulic descaling for a, When scale formed during reheating and continous rolling of steel strips is commonly by hydraulic descaling, a temperature drop of the strips inevitably occurs. Inquiry Descale Technology at Hot Rolling and its

US4885042A Method and apparatus for preliminary

A process of producing cold rolled stainless steel strip, according to the invention, includes preliminary treatment for hot rolled stainless steel strip, in which preliminary treatment, hot rolled stainless steel strip is, at first, treated through annealing and picking process and is subsequently subject cold rolling without introducing rolling mill lubricant at a reduction of more than 5%.

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US Patent for Steel strip descaler Patent (Patent

The rolling mill for mechanical descaling of hot rolled steel is constructed according to the slidable roll process with reducing rolls so that a unform operation with different and/or changing shape steel strips can obtained. This is attained when the rolling mill has at least two rolls slidable in opposite directions whose body surfaces are constructed with Sshape contours positioned

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May 23, 1989 · Steel strip descaler . United States Patent 4831854 . Abstract: The rolling mill for mechanical descaling of hot rolled steel is constructed according to the slidable roll process with reducing rolls so that a unform operation with different and/or changing shape steel strips can obtained. This is attained when the rolling mill has at least two


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