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bruise on hotstrip mill finishing mill rolls

  • rolls for rolling millSlideShare

    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

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  • DESIGN AND ANALYSIS OF AXIAL CROSSING OF WORK

    at rolling stands of finishing mill of Hot Strip Mill (HSM). A simple model for roll stack deflection at the finishing mill has been illustrated where a modified Misaka s equation has been used to obtain mean flow-stress. Investigation has been performed to understand the effect of width of roll on roll stack deflection. The bending on the

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  • 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

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  • Hot Strip Millan overview ScienceDirect Topics

    If abnormal conditions such as excessive roll wear occur in the hot strip mill thickness profile ridges are produced on the hot rolled strip. When the hot rolled strip with ridges is subsequently fed into a cold mill local buckles are produced in the cold rolled strip.

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  • Find Top Chinese supplier for steel rolling mill rolls

    Apr 29 2016 · Range of Products Cast Steel Roll Name Hardness HS Tensile Strength MPa Dimension mm Unite Weight KG Application GS 36-65 ≥450 ¢ 5000- 45000 Roughing stands of section mill bar and wire mills and hot strip mills roll sleeves for universal mills HCrS 70-85 ≥450 ¢ 1000- 25000 Roughing work rolls for hot strip mills

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  • Finishing Rolling Mill Process ExplanationHani Tech

    Hot Strip Mill Group consists of two to six finishing mill stands which reduce the thickness of the transfer bar to meet the customer demanded standard-sized or the next process. The rolling speed is needed to set at a suitable speed which allows the last stand to perform the final reduction at the finishing temperature between 1500° and

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  • CVC®plus for finishing mill stands SMS group

    Our finishing mill stands are equipped with CVC ® plusthe world s most successful technology package for strip profile contour and flatness control. This explains why more than 450 hot mill stands worldwide operate with CVC ® plus technology today.. Here s what this technology can do for you The system combines axial work roll shifting with special CVC ® grinding a work roll bending

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  • Rolls for all types of Rolling Mills calcutta castings

    The micro structure offers excellent surface finish to rolled product along with bruise and crack resistance due to presence of graphite which can be altered depending upon the rolling condition. Applications These rolls are used as work rolls in the finishing stands of Hot Strip Mills Plate Mills and Steckel Mills.

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  • Main Features of a modern Hot Strip MillIspatGuru

    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.

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  • How does it work hot-strip rolling millYouTube

    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.

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  • HOT STRIP MILLS Mechanical EquipmentSMS group

    SMS SIEMAG 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

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  • Pickling Lines Cold Rolling MillsASKO Inc.

    ROLLING MILLS Flat Product MillsPickling Lines Cold Rolling Mills Applications in which our knives are used include Flat Rolled Coil and Sheet Processing Lines for Cold Roll Finishing Pickling We manufacture every type of knife used on every kind of mill processing and finis

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  • Finishing Millan overview ScienceDirect Topics

    John G. Lenard in Primer on Flat Rolling (Second Edition) 2014. 1.2.5 Cooling. After exiting the finishing mill the strip at a temperature of 800–900°C is cooled further under controlled conditions by a water curtain on the run-out table.The run-out table may be as long as 150–200 m. Cooling water is sprayed on the top of the steel at a flow rate of 20 000–50 000 gpm and on the

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  • A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING

    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 interestalso maybe later. K. H. Schröder July 2003 K. H. Schröder A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS

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  • bruise on hotstrip mill finishing mill rolls

    bruiseon 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.

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  • 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.

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  • HOT STRIP MILLS Mechanical EquipmentSMS group

    SMS SIEMAG 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

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  • rolls for rolling millSlideShare

    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

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  • Main Features of a modern Hot Strip MillIspatGuru

    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.

    Chat Online
  • Repair or Finish New Hot Strip Mill Mandrels for the Steel

    Description. Among the most complex items Industrial Maintenance Welding Machining repairs or finishes are hot strip mill mandrels. These mandrels are used on coilers at steel mills which wind hot rolled steel into coils and they must operate in very intense conditions.

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  • Find Top Chinese supplier for steel rolling mill rolls

    Apr 29 2016 · Range of Products Cast Steel Roll Name Hardness HS Tensile Strength MPa Dimension mm Unite Weight KG Application GS 36-65 ≥450 ¢ 5000- 45000 Roughing stands of section mill bar and wire mills and hot strip mills roll sleeves for universal mills HCrS 70-85 ≥450 ¢ 1000- 25000 Roughing work rolls for hot strip mills

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  • A BASIC UNDERSTANDING OF THE MECHANICS OF

    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 interestalso maybe later. K. H. Schröder July 2003 K. H. Schröder A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS

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