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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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Descaling spray foot print protocol Three-dimensional representation of the impact distribution HOT ROLLING OF STEEL NOZZLESFORMOREEFFECTIVE DESCALING
Apr 15, 2017· Fig 1a–d shows the cross section of the oxide scale when the stainless steel 445 was oxidised at 1100 °C from 30 to 120 min at an interval of 30 min in humid airOnly one layer of oxide scale was formed during 120 min The thickness of oxide scale was 28±015 µm when the sample was oxidised for 30 min, then steadily grew to 41±020 µm for 60 min, over time it reached 60±026 µm .
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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 .
3 Effective descaling is the prerequisite for a perfect surface finish Modern descaling unit for removal of secondary scale OUR ADVANTAGES-Complete descaling unit with well-
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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 set-ups for range of steel grades prone to adherent primary scale such as in high alloy steels (Si, Ni, Cr) Effective primary descaling, ie descaling post furnace discharge via washbox or alternative technologies is imperative to .
Executive Summary ii Ferrous Metals Processing Industry some countries, a single company can account for 50 % or more of the national output In
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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
Therefore batch hot dip coating of steel fabricates, known as general galvanizing, is part of the work Smitheries and ferrous metal foundries (Section 23 b and 24 of Annex I) are not included in this work and neither are electroplating nor organic coating of steel
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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
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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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Energy Saving Drives for Hot Strip Mills Energy Saving Drives for Hot Strip Mills Ralph P UGH TMEIC 2060 Cook Drive Salem, VA 24153, USA , The Descale Booster system draws water from the DC Tank to provide a pressurized header for the suction of the main Descale pumps and supply cooling water to mill roller tables and other ,
Descaling For Hot Rolling Mill Hot steel descaling and rollingYouTube 22032007 section rolling mill, continous section rolling mill, sturcture rolling mill, tandem rolling millDuration 9 02 more info Obtenir le prix Dry sand making system,Hunan production of 100120 tons of
Sep 09, 2009· Read "Study on the oxidation of stainless steels 304 and 304L in humid air and the friction during hot rolling, Wear" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips
第 17 卷第 3 期 2005 年 6 月 钢 铁 研 究 学 报 Jo urnal of Iron and Steel Research Vol 17 ,No 3 J une 2005 带高压水除鳞换热的带钢粗轧过程温度场数值模拟 李学通1 , 杜凤山1 , 张健民2 ( 1
E 3 = mc » Energy, Efficiency, Excellence = minimized costs With the new analysis program MillConfigDescale, you can display potential water savings, and the energy consumption during descaling, for the entire hot rolling mill