Hot Strip Mill Process

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Hot Strip Mill: Process : The primary purpose of a hot strip mill is to reheat thick steel slabs into thin sheets with varying thickness. The thick steel slab passes through several rolling mill stands that are driven by powerful motors. The rolled sheets then pass through coilers, thereafter these coils move on to the next process in the plant


The Hot Strip Mill is capable of producing 2 Million tons of hot rolled coil annually in a width range of 35 in. - 53 in. and a gauge range of 0.059 in. through 0.650 in. Our 4-tank Pickle Line can process 1 million tons of Hot Rolled Coils annually between 29 in. and 56 in. wide and 0.060 in. through 0.187 in. in gauge.


HOT STRIP MILL — HIGHEST PERFORMANCE FOR NEW AND EXISTING STEEL MILLS The demand for hot rolled strip is growing in multiple ways. To remain competitive, new and existing mills must meet this challenge in the best possible way. The production of hot strip is a …


The hot metal is converted into steel through a steelmaking process called the LD process. Flat Products: The steel is cast into slabs, which are then rolled into hot rolled coils in the Hot Strip Mill & Thin Slab Caster. Some of the hot rolled coils are further rolled into cold rolled and galvanisedcoils in the Cold Rolling Mill. Long Products:


The mechanical properties of hot rolled strip are the key index of product quality, and the soft sensing of them is an important decision basis for the control and optimization of hot rolling process. To solve the problem that it is difficult to measure the mechanical properties of hot rolled strip in time and accurately, a soft sensor based on ensemble local modeling was proposed. Firstly ...


Process Control in Hot Strip Mill Estimated energy savings based on reducing rejects from 1.5% to 0.2% was 9% of fuel use, or approximately 0.3 GJ/t-product (US EPA, 2010. p.27). Emissions are reduced by 15.1kg CO 2 /t-rolled steel.


Hot rolling. This process stretches a slab into a strip. The slab is reheated to approximately 1250°C and rolled in hot conditions. The resultant strip steel is wound into a roll like toilet paper (hot coil). Chains for lifting; Toughrollers; Conveyor chains for conveying semi-finished products


mills have significant influence on the quality of the semi-product or end product of hot rolling process. In fact, the quality of hot strip mill products is directly reflected by the final profile and geometry of the slab or strip which also has a decisive influence on the production e ciency and yield rate. Asymmetric profiles such as ...


The phenomenon of bainite formation in the hot strip mill for unalloyed steels and the influence of the complex cooling process have hardly been dealt with in literature. Only two useful model equations were found, namely according to Suehiro et al. [4] ...


It is the widest Hot Strip Mill in India, capable of rolling upto 2150 mm. JSW Steel's Dolvi unit in Maharastra has commissioned capacity of 3.6 MTPA . The Dolvi unit HSM uses a combination of the advanced Conarc Process and Thin Slab Casting technology, which facilitates the production of HR coils which are superior in quality due to their ...


Hot Strip Mill Process Flow Chart has a variety pictures that amalgamated to find out the most recent pictures of Hot Strip Mill Process Flow Chart here, and as well as you can get the pictures through our best hot strip mill process flow chart collection.Hot Strip Mill Process Flow Chart pictures in here are posted and uploaded by centralvalleybaptist.net for your hot strip mill …


Compact Strip Production (CSP), or in conventional hot-strip mills, has increased the requirements for precise mass-flow and thickness control. As an initial step to meet these demands, Primetals Technologies has developed a new control concept for rolling ultra-thin hot-rolled strip in the finishing mill of an ESP line.


Important aspects of Rolling of Hot Rolled Coil in Hot Strip Mill Read More July 4, 2021 / Accelerated control cooling, DP steel, Hot rolled strip, hot strip mill, HSLA steel, IF steel, Reheating furnace, Strip shape, Technical, TRIP steel


G. Engberg, L. Karlsson, in Fundamentals of Metallurgy, 2005 11.5.1 Hot rolling. Mill data from the hot strip mill has been used to calculate the mean flow stress in each pass, assuming the material to be elastic – ideally plastic. The roll force model used was a classical slab method with constant friction assumed in the roll gap. For the roughing mill (reversible 4-high) both roll force ...


Energy saving and process optimization in Hot Strip Mill Descaling system 1. 1 Energy saving and process optimization in a conventional hot strip mill by application of the latest high-efficient descaling technology AUTHORS: Mr. Bilal AKGÜL, Hot Strip Mill Maintenance Area Manager Çolakoğlu Metalurji A.Ş, Dilovası Organize Sanayi Bölgesi, 1.


The strip is water-cooled on a 150-metre-long run-out table and coiled at high speed at 520° to 720° C (970° to 1,325° F). Mills have at least two coilers to ensure 100 percent availability. All the equipment in a hot-strip mill is arranged in a straight line of about 600 metres from furnace to coiler, with the slab or strip passing only ...


Heater effectively maintains a hot-working temperature, the primary processing factor affecting grain size of steel and the resultant key mechanical characteristics of the end product: strength, hardness, and ductility. In a typical hot strip mill, steel slabs are overheated to ensure that edges remain hot enough for final processing.


CSI's Hot Strip Mill includes six finishing mills, which reduce the thickness of the transfer bar down to the gauge required by the customer or the next process. The rolling speed is set to allow the last stand to perform the final reduction at the finishing temperature, between 1500° to 1650°F, specified to reach certain mechanical properties.


More particularly, this invention relates to a method and an apparatus for controlling a rolling process in a hot strip finish rolling mill to make the sheet profile of a strip at the outlet side of the final stand precisely coincide with a desired sheet profile. 2. Description the Related Art . In a hot strip finish rolling mill, the sheet ...


Hot Strip Mill: Process : Continuous casting, also known as strand casting, is the process where a metal is heated until it liquefies. The molten metal is then allowed to solidify until it becomes a semi-finished slab that is later rolled in the finishing mill. It is used to cast metals of uninterrupted lengths.


The Hot Strip Mill represents the most productive solution for flat rolled products. It provides the highest level of productivity together with a large product mix and outstanding quality. Yearly productivity of Hot Strip Mills can vary from 2 to 6 Mtpy, depending on the configuration that is selected.


presses in hot strip mill lines has become mainstream practice. This paper describes first the background to the introduction of press equipment, the production speed of which was a matter of concern, into the conventional hot strip mill lines that were mass-producing strips with rolling equipment (rolling mills) only. This paper then ...


process flow. The interdependency of setup times, process flexibility and integration were analysed through system dynamics simulation. The results showed significant reductions of energy consumption and tied capital. It was concluded that setup time reduction in the hot strip mill can aid process integration and hence improve


This process is now known as the continuous hot rolling process. At a pack mill, plates had to be run over the roll and doubled, making the process much slower and more labor intensive. The process used at a strip mill was preferred over the processes of the …


Download scientific diagram | Hot strip rolling mill layout from publication: Disturbance Rejection in iron and steel process: Problems and current solutions | It is shown in this paper that the ...


hot strip mill process at SSAB and for SSAB's products. The objective of this thesis is the verification and validation of Engberg's newly developed microstructure model. The model is meant to eventually be valid for the whole range of SSAB's products. In this investigation, the …


3. PROCESS Rolling mills consists of different type of Mills based on the desired products namely: A. Long Product Mill a) Light and Medium Merchant Mill/ Bar Mill. b) Wire rod Mill. c) Medium merchant structural mill/ Structural Mill. B. Flat Product Mill a) Plate Mill b) Hot Strip Mill A. Long Product Mill


ble of a hot strip mill and a control process for precise cooling of the strips using the pyrom-eter. The new strip cooling process was developed and put into commercial practice at Kashima Works and is being expanded to other mills of the company. Technical Report UDC 621 . 771 . 237 . 016 . 2 : 536 . 53


Inductive edge heating system. Excellent strip quality right to the edges. It's a huge challenge to avoid excessive tension at the strip edge during aluminum strip cold rolling. The conventional solution is the hot edge spray (HES) method of heating the work roll barrel. New on the market, our inductive edge heating system reduces strip tension.


The hot strip mill process (HSMP) is a high-speed, transient metal machining molding process.1–3 In the steelmaking process, stable product quality and safe, reliable operation of a hot strip rolling mill are the main control objectives. The dimensional quality speci-fication,4 consisting of thickness, width, flatness, and


Temperature Monitoring. Temperature Control in Hot Rolling Mills. Hot Rolling Mills are used to reheat shapes of steel to soften them enough so that they can be rolled thinner and longer through a series of rolling stands. The finished product can be either a strip, …


ThyssenKrupp Steel Europe spent a quarter of a million euros on renovating its hot-strip rolling mill in Duisburg. The animation shows how it all works.


The hot strip mill supplies coils for cold rolling mill, strip shearing and slitting units as well as a finished product for shipment directly to the customers. Most material is transported out of the mill area by an automated coil handling system to the storage aisle.


Continuous casting and rolling steel strip was a revolution in steel industry at the end of the last century. Some thin gauges that conventionally have to be produced by cold rolling, can be obtained now from hot rolling with the new CSP or ISP process, which can roll 1.2 mm now and maybe 0.7-0.8 mm in the future.


Abstract: To meet with high-dimensional accuracy and high speed for hot strip rolling mills in iron and steel process, a practical frequency domain design for data-based linear Tracking Differentiator (TD) filter is proposed. Based on state and differential signal estimated by TD, it is applied to the filter of width data in real time to eliminate the effects of measurement noise.


Mill designers and operators are keenly interested in proper design and control of the hot strip rolling precess. The specific goals to be achieved by process design and control may vary depending on the need of the manufacturers and customers, but product quality as well as production economy is a fundamental consideration in most cases.