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  • Roll Mark/Bruise from Hot Strip Mill Mainline Metals

    This defect can be caused when a tail-end of a previous coil has variable shape, and passes through the last hot mill finishing stand. 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

  • Bruise On Hotstrip Mill Finishing Mill Rolls

    SETTING TOOLS CLEAN OUT MILL bruise on hotstrip mill finishing mill rolls; difference between mill 26amp 3 tube mill; feldspar ball mill manufacturer in germanyget price. roughing mill rolls Rolling conditions in hot strip mills and their Rolling conditions in hot strip mills and roughing mill work rolls, To understand rolling conditions in get price. bruise on

  • EDDY CURRENT INSPECTION RESULTS ON WORK ROLLS FOR

    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. 1 R&D Dept. Innse Cilindri Srl Via A

  • bruise on hotstrip mill finishing mill rolls

    bruise on hotstrip mill finishing mill rolls. Technical Documentation INNSE Cilindri . Work rolls consumption in the front stands of hot strip mills wear and grinding Paper presented at 17th ROLLING SEMINAR 2008 Rosario Argentina A. Tremea et al. Abstract. In the early stands of a hot strip mill the use of high-chromium iron and high-speed steels as work rolls is now well proven. Chat Online

  • bruise on hotstrip mill finishing mill rolls

    bruise on hotstrip mill finishing mill rolls. ball mill, hammer mill, roller mill machine, manufacturer of high 0 019 dia micro carbide ball mill 2 flute ball nose end mills 0 1 mill itu 2 roll mill machine lrm s 110 t2e, styrene tetrablock copolymers and polymer blen 2 roll .. concasseur,broyeur CGM: juin 201 bruise on hotstrip mill finishing mill rolls,

  • Rolling of steel in Hot Strip Mill IspatGuru

    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. Side guides on either side of the run out table seek to keep the strip’s head-end pointed at the

  • Finishing Mill an overview ScienceDirect Topics

    The finishing mills roll the rolling stock in tandem, meaning each bar is rolled through all finishing stands at once. Laminar cooling of the hot rolled strip: After exiting the finishing mills, the strip is carried down by a large number of individually driven rolls through banks of low-pressure, high-volume water sprays that cool the red-hot strip to a specified coiling temperature and into

  • Mill Processing & Finishing ASKO, Inc.

    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

  • rolls for rolling mill SlideShare

    24/02/2017· These rolls are used in roughers and front stands of the finisher for hot strip mills; rougher, intermediate stands and pre-finishing stands for bar and wire; roll rings and roll sleeves for universal ills and cantilever mills. Chemical Composition % Symbol C Si Mn Cr Ni Mo AD140 I 1.30-1.50 0.30-0.60 0.70-1.10 0.80-1.20 0.50-1.20 0.20-0.60 AD160 I 1.50-1.70 0.30-0.60 0.80-1.30 0.80-2.00 ≥0

  • Hot Strip Mill Rolls|Nippon Steel Rolls Corpoaration

    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 Two types of HSS rolls are available; CPC (Continuous Pouring Process for

  • bruise on hotstrip mill finishing mill rolls

    bruiseon hotstrip mill finishing mill rolls : bruise on hotstrip mill finishing mill rolls. 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. Mill Rolls Manufacturer TSR ROLLS . Mar 31, 2015· ThyssenKrupp Steel Europe spent a quarter of a million

  • A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS

    Secondary scale on hot strip and the impact on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC.

  • Rolling Mill Process RMT Tools

    Because a square head-end is critical to properly threading the finish mills, and because an uneven tail can bruise work-roll surfaces or cause threading problems for the next production process, the head- and tail-ends of nearly every transfer bar are cropped by using crop shear, and Snap shear. Finishing . Hot Rolling Mills includes multiple finishing mills to reduce the thickness of the

  • CATEGORY: APPLICATION: HOT STRIP MILL WORK ROLLS

    Work rolls for late finishing stands F4-(6)7 of conventional Hot Strip Mills or Steckel Mills finishing stands. Features & Benefits • Superior wear resistance in combination with good operation safety. • Breakthrough 50-100% performance improvement compared to enhanced ICDP roll grades such as MICRA™ or APEX™. • Excellent surface quality. C Si Mn Mo Cr Ni W,V,Nb VICTURA™ 3.0-4.0 0

  • The Hot Rolling Process

    finishing mills, which will roll the steel in tandem with one another. The workhorse roughing mill has 135” wide rolls for rolling ‘broadside’ (as the first roughing mill is commonly called) to make a slab wider. A 5,000 hp motor drives 42”-diameter work-rolls through 28:1 gears to reduce the slab’s thickness by as much as 2-½”. The last four roughing mills each incorporate edgers

  • Hot Strip Mill Work Rolls Union Electric Åkers

    A core product of Union Electric Åkers Thousands of Hot Strip Mill Work Rolls come off of our production lines each year, making Union Electric Åkers one of the world’s largest roll manufacturers of Hot Strip Mill Work Rolls. All our Hot Strip Mill Work Rolls are made using the vertical centrifugal casting method, ensuring high in-service integrity and premium performance results.

  • Mill Processing & Finishing ASKO, Inc.

    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

  • rolls for rolling mill SlideShare

    24/02/2017· These rolls are used in roughers and front stands of the finisher for hot strip mills; rougher, intermediate stands and pre-finishing stands for bar and wire; roll rings and roll sleeves for universal ills and cantilever mills. Chemical Composition % Symbol C Si Mn Cr Ni Mo AD140 I 1.30-1.50 0.30-0.60 0.70-1.10 0.80-1.20 0.50-1.20 0.20-0.60 AD160 I 1.50-1.70 0.30-0.60 0.80-1.30 0.80-2.00

  • Hot strip mills (Steel) SMS group

    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. Implemented here are many technologies that ensure excellent hot strip quality as well as high

  • MBI Rolls

    & Finishing Stands: Adamite: 45 ~ 60 HSC: Pearlitic Nodular Iron: 55 ~ 65 HSC: Steel Base Adamite: 55 ~ 65 HSC: Hot Strip Mills. General roll recommendation for Hot Strip Mills. Position Material Hardness; Roughing Stands: Alloy Steel: 35 ~ 45 HSC: Adamite: 40 ~ 50 HSC: Graphitic Steel: 35 ~ 55 HSC: Pearlitic Nodular Iron: 45 ~ 60 HSC: Finishing Stands: Indefinite and Alloy Chill Iron: 65 ~ 80

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