You'll appreciate X-Roll ® hot strip mills from SMS group as all-round plants for high-quality hot strip. They are designed to produce flat steel from thin strip with a minimum final gauge of 1.2 millimeters to high-strength pipe steels up to 25.4 millimeters thick, including stainless steel grades.

Feb 24, 2017· These rolls are suitable for both two-Hi roughing and early stand of four-Hi finishing for hot strip mills. Chemical Composition % Symbol C Si Mn Cr Ni Mo HCrS 1.00-1.80 0.40-1.00 0.50-1.00 8.00-15.00 0.50-1.50 1.50-4.50 Properties and Application % Symbol Hardiness HS Tensile Strength MPa Application HCrS 70-85 ≥450 (core) Roughing work ...

Work Rolls of finishing stands High Chrome Iron as well as Chrome Steel Work Rolls of Bruise/soft spots are induced on a roll body new Indefinite Chilled Cast Iron rolls of Hot Strip Mill. 2.2. Ultrasonic Evaluation of Surface Cracks in Rolls by Surface wave / Angle Probe Usually depth of penetration of theses surface (Rayleigh) waves

Enhanced ICDP Rolls. The enhanced ICDP is developed based on the classic Indefinite Chill Double Poured Cast Iron.The microstructure consists of a bainitic / martensistic matrix with Fe3C and MC carbides homogeneously distributed and a certain amount of free graphite fine and also well distributed in the matrix.The rolls are double tempered to avoid retained Austenite and to obtain the right ...

John G. Lenard, in Primer on Flat Rolling (Second Edition), 2014. 3.5 Friction and Wear. Work rolls in hot strip mills wear due to friction between the roll surface and hot strip. (Back-up rolls wear as well, but under pressure with elastic deformation, the friction is much less, except for the high work roll roughness in the last stand of a sheet rolling tandem cold mill).

Dec 03, 2015· After exiting the finishing mills, the strip is carried down by a large number of individually-driven rolls through four to 12 banks of low-pressure, high-volume water sprays that cool the red-hot strip to a specified coiling temperature between 400 deg C and 900 deg C and into down coilers.

SMS DEMAG Hot Strip Mills 10 The drum-type shear installed between the roughing and finishing mills of a hot strip mill crops the trans-fer bar at its head and tail. In special applications, the drum-type shear also serves to divide transfer bars and finished plates. Based on the experience gained from more than 60 drum-type shears built so far,

Keywords: rolls, wear, oxidation, firecracks, sticking, friction Abstract The roll surface is crucial for work rolls in hot rolling mills. We have to deal with wear, oxidation, firecracks, sticking and friction. This paper starts with temperature simulations on and below the roll surface during rolling and takes common experience into ...

The sheet can whip/hit into the roll surface and mark it. As a result, the following coil produced through the hot strip mill will have these bruises on the head end. If the marks on the work rolls are light, the defect only bruises the next coils surface and eventually wears off the rolls …

Finishing 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

You'll appreciate X-Roll ® hot strip mills from SMS group as all-round plants for high-quality hot strip. They are designed to produce flat steel from thin strip with a minimum final gauge of 1.2 millimeters to high-strength pipe steels up to 25.4 millimeters thick, including stainless steel grades.

Applications of these rolls include: Hot Strip Mill Finishing Stands; Steckel Mills; Plate Mills; Static Cast/ Monobloc Rolls. Alloy Cast Steel (ACS), Graphitic steel and Nodular Iron (Pearlitic and Acicular) grades are monobloc and static cast. Customer hardness and microstructure

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Adamite Rolls. Adamite or Steel Base is a material with Carbon content and mechanical properties between Steel and Iron.The addition of Cr, Ni, Mo and other elements and a special heat treatment process will develop a high wear and fire cracking resistance together with a …

We are supplying HSS rolls to the most advanced Hot Strip Mills in Asia, North America and Australia as well as in Japan, and their performance has been proven in every type of mill such as pair cross mill, CVC mill and CSP mill. The following materials are available for each finishing stands. 1) Front stands work rolls

MBI Rolls, a division of M. Brashem, Inc., has provided the best value for quality, price and service to the steel industry for more than 30 years. We are a leading distributor of mill rolls to the north American steel mill industry, with significant share of the long bar market.

Hot Strip Mill Rolls. We offer work rolls for finishing mills used by blast-furnace and electric-furnace steelmakers to manufacture hot strip. Rolls for H- beam Steel Mills. We offer rolls for mills that produce H- beams steel which are widely used in buildings, bridges, ships, and quay walls. Horizontal rolls and vertical rolls are combined to ...

ROLLING MILLS: Flat Product Mills – Mill Processing & Finishing Applications in which our knives are used include Flat Rolled Coil and Sheet Processing Lines for: Cut-to-Length Galvanizing Hot Roll Finishing Recoil & Inspection We manufacture every type of k

Finishing 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

conducted in field by Innse Cilindri on work rolls of finishing stands of hot strip mills. The correct interpretation of the eddy current signals and a good calibration of the automatic system have allowed, in many cases, a substantial optimisation of regrinding practices. Key Words: Work roll; Eddy current system; Bruise signal; Roll redressing.

Mar 31, 2015· 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.

Shape mills with rolls from 20 to 26 inches in diameter, for smaller sizes of beams and channels and other structural shapes. Merchant bar mills with rolls from 16 to 20 inches in diameter. Small merchant bar mills with finishing rolls from 8 to 16 inches in diameter, generally arranged with …

Work Rolls of finishing stands High Chrome Iron as well as Chrome Steel Work Rolls of Bruise/soft spots are induced on a roll body new Indefinite Chilled Cast Iron rolls of Hot Strip Mill. 2.2. Ultrasonic Evaluation of Surface Cracks in Rolls by Surface wave / Angle Probe Usually depth of penetration of theses surface (Rayleigh) waves

bruise on hotstrip mill finishing mill rolls; control systems conveyor; large stone jaw crusher for sale; name and address of stone crushers in bangalore; rutile grinding machine; gold beneficiation plants for sale; westinghouse breakers replacement; harga mobile crusher kapasitas 400tph.

Dec 22, 2013· Main Features of a modern Hot Strip Mill. The objective of a hot strip mill (HSM) is to reheat and roll thick slabs into thin strip with a wide range of thickness. Because of its huge size and large investment a hot strip mill need to have a life time of several decades.