High Chrome Steel Rolls – TSR ROLLS

HiCr Steel is characterized by excellent fire crack resistance and very good oxidation behaviour at rolling temperature. Very good wear resistance and constant material properties throughout the …

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Alloy indefinite chilled cast iron rolls

When the material of the cast iron roll contains high chromium, nickel, and molybdenum alloy elements, it is a high-nickel-chromium infinite chilled cast iron roll, which is produced by full flushing (overflow method) Or centrifugal composite casting Process high nickel chromium infinitely chilled cast iron roll has more carbides in the matrix structure of the working layer and …

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Centrifugal cast iron roll | rolling mill rolls

The company has two sets of horizontal centrifugal casting machines, with the maximumspin cast roll size of Dia. 1400× 3860mm Barrel Length. The centrifugal casting machinescan realize the integration of spray coating and controlling …

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Corrosion Wear of Hypereutectic High Chromium Cast Iron: …

Hypereutectic High Chromium Cast Iron (HHCCI) is a new type of corrosion-wear-resistant material developed from ordinary high chromium cast iron by increasing the chromium and carbon content and is often used in abrasive environments where wear and corrosion interact. The corrosion wear resistance of the HHCCI is related to the number, size, shape and …

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High-chromium steel roll

High-chromium steel roll. Brand name: LMM GROUP Packing Details : Wooden box with fumigation or Wooden Fram Delivery Details: 30~60days or Based on the quantity Shipping: Sea freight、Land freight、Air freight. ... Cast iron rolls; …

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work roll

Brand name: LMM GROUP Packing Details : Wooden box with fumigation ... special improved high chromium iron. application mill: hot rolling mill work roll. mechanical properties: ... The trial data shows that the ∮370mm high-speed steel roll produced by LMMGROUP has far exceeded the single-groove assessment value of 1,500 tons in the "Roll ...

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New Trends in Hot Strip Mill Roughing Mills: …

Key words: Hot Strip Mill, Roughing Stands, Work Rolls, High Chromium Steel, Semi-High-speed Steel Abstract: Two alloys grades for work rolls used in the roughing stand of Hot Strip Mill (HSM) are compared. The first grade known ... SG -iron/ Cast steel /Stee l base Semi -HSS HSS for roughers High chrome steel 2010 1772. has increased amounts ...

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ICDP Rolls Work roll material

LMM GROUP is one of the professional roll manufacturing base in China, which supply all kinds of large-size rolls for iron and steel enterprises with production capacity of 100,000 tons of all kinds of hot strip mill rolls, section mil rolls, rod mil rolls, cold rolling m rolls, casting and forging …

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Successful Strategy for HSS Rolls Implementation

High speed steel rolls (HSS) have replaced the traditional high chromium iron rolls (HCI) in many hot strip mills, showing very good results for quality and productivity improvements.

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ICDP

Improved high nickel-chromium centrifugal composite casting roll production process, the outer layer to increase the V, W and other strong carbide forming unlimited chilled cast iron, the core element of the high-strength ductile iron.

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High Temperature Oxidation of a Work Roll Grade High-Chromium …

High-chromium white cast iron is a common material for the manufacture of the work rolls used in the finishing stands in hot strip mills. The high temperature oxidation behaviour of as-cast and heat-treated high-chromium white cast iron was studied by gravimetric means at 650 °C in atmospheres that included dry air and a mixture of dry air and water vapour.

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EN HiCr roll

Hi Chromium steel rolls are used in roughing stands of HSMs, Steckle Mills and some early finishing stands of Hot Strip Mills. Enhanced High Chromium Steel Rolls are alloyed with Nb, V …

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High Chromium Cast Steel Rolls (HCr steel)

High chromium steel roll is produced by centrifugal compound casting technology, with more than 12% Cr content for the shell's material and high strength nodular cast iron for the core. The outer microstructure is martensitic matrix which uniformly distributed various forms of carbide.

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An Overview on Types of White Cast Irons and High Chromium White Cast Irons

The paper is aimed to give an overview on the white cast iron alloys, and particularly high chromium white cast iron alloys, including their classifications, their standard specifications in USA ...

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Work Roll

High chromium cast iron centrifugal roll. Application: Work rolls in the front section of finish rolling, work rolls in wide and medium plate mills. Details ★ Focus on one-stop service for steel industry (EPC project, raw material, equipments …

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Chilled Iron Rolls | LMM | Mill Rolls Manufacturers

chilled iron rolls LMM GROUP provides world-class quality mill rolls designed for your specific applications. Get In Touch Alloy indefinite chilled cast iron rolls See More CrMo indefinite chilled cast iron rolls Barrel hardness(HSD): 50-70, Tensile strength(Mpa): ＞160 Details NICrMo indefinite chilled cast iron rolls（Ⅰ） Barrel hardness(HSD): 55-72, Tensile strength(Mpa): …

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(PDF) MICROSTRUCTURE AND PROPERTIES OF HIGH CHROMIUM …

In order to improve the hardness of semisolid hypereutectic high chromium cast iron by adding boron element, the effect of different boron contents on the microstructure and properties of the 4 ...

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chilled cast iron rolls

LMM chill iron rolls have an excellent combination of metallurgical and physical properties with uniform and stable hardness ensuring the highest quality of cold-rolled strip and efficient performance characteristics (resistance to wear, …

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ICDP rolls, indefinite chilled rolls manufacturer

ICDP rolls, Backup rolls, Adamite rolls, work rolls, LMM GROUP can supply customer with high wear resistance and stablity, high-strength quality rolls. Skip to content +86 411 84174804

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Failure of high-chromium iron roll in compact strip production MILL

Shells of spun cast HiCr iron work rolls generally contain very high level of chromium (typically about 16–18%) as a high fraction of chromium carbides is desired to achieve a good wear resistance. In contrast, the level of carbides should be kept low in the roll core in order to attain the required core toughness and tensile strength.

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Work Roll

High chromium cast iron centrifugal roll. Application: Work rolls in the front section of finish rolling, work rolls in wide and medium plate mills. ★ Focus on one-stop service for steel industry (EPC project, raw material, equipments supply). …

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Hot friction and wear behaviour of high speed steel and high chromium …

Wear and friction behaviour of high chromium iron and high speed steels for hot rolls A. Sinatora, M. Boccalini Jr., M.E. Hara (Eds.), Proceedings of International Conference on Abrasion 2005, Abrasion Wear Resistant Alloyed Cast Irons For Rolling and Pulverizing Mills, Sao Paolo (Brazil), 14–17 August ( 2005 ), pp. 189 - 198

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(PDF) Effects of Heat-Treatment on the Microstructure and …

The variations of microstructure and mechanical properties of a high-chromium cast iron for rolls were studied from as-cast to the final heat treatments. Results show that the as-cast ...

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High Speed Steel Roll Processing

After the hardness of the roll is increased, the processing difficulty of the roll will increase accordingly. For the pass processing of the high speed steel roll of the wire and bar rolling mill, especially the rolling of the rebar, when it is repeatedly used for cutting, due to the intermittent cutting, Its processing is difficult, so as long as a reasonable processing tool and …

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Effect of Heat Treatment on Microstructure and Hardness of a High …

High-chromium cast iron (HCCI) is widely used for manufacturing mill rolls due to its high wear resistance, hardness, low cost and good adaptability to manufacture [1,2,3,4].Despite the active application of rolls from high-speed steels, HCCI rolls still occupy a large share of the market [].The cast microstructure of the external layer of rolls from HCCI …

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Alloy indefinite chilled cast iron rolls

LMM have been supplied to world's top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time. Alloy infinitely chilled cast iron roll …

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High Chrome Steel Rolls – TSR ROLLS

Bainitic Nodular Cast Iron Rolls; Alloy Indefinite Chilled Cast Iron Rolls; HSS Rolls for Bar Mill; Cast Rolls with Grooves; Sleeve And Roll Shaft; ... High Chrome Steel Rolls HiCr Steel is characterized by excellent fire crack resistance and very good oxidation behaviour at rolling temperature. Very good wear resistance and constant material ...

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EN-HiCr Iron Rolls – TSR ROLLS

Enhanced High Chromium Iron is widely used in early finishing stands of hot strip mills.The microstructure consists of a tempered bainitic/ martensitic matrix with Cr7C3 carbides and MC type carbides homogeneously distributed in the …

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Microstructure and properties of high chromium cast …

The effects of chromium, nickel, manganese, molybdenum and silicon are discussed in relation to recently developed heat treatment procedures by which high-chromium white iron castings can be ...

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Metallurgy of high chromium-molybdenum white iron and steel rolls

Request PDF | On Jan 1, 2002, J.P. Breyer and others published Metallurgy of high chromium-molybdenum white iron and steel rolls | Find, read and cite all the research you need on ResearchGate

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High Chromium Cast Iron Rolls

All high chromium rolls are high temperature heat treated and tempered to obtain optimal properties. They bring high performance figures in the first finishing stands of Hot Strip Mills, Skin Pass stands and in finishing stands of small sect ion mills.

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Microstructural and wear investigation of high chromium white cast iron

A wide variety of materials are developed as hardfacing fillers to deposit single or multiple layers of hard material on the substrate. High-Cr white cast iron (WCI), a Fe–Cr–C based hardfacing material that typically contains 8–35% Cr and 2–5% C, has been regularly used to improve the wear resistance of ferrous substrate materials [12]. ...

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Hot friction and wear behaviour of high speed steel and high chromium …

The wear resistance at high temperature of different high speed steels (HSS) for rolls is evaluated on the basis of a tribological test aimed at reproducing the damage mechanisms occur during hot rolling. The test is positively used to highlight the different wear and friction behaviour of high speed steels and high chromium irons to be used in the early finishing stands …

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High Chromium White Cast Iron (High Cr White Iron)

The utilization of high chromium white cast iron offers several advantages in industrial applications: Superior wear resistance: High Cr white iron exhibits exceptional resistance to abrasive wear, making it suitable for environments with high wear and impact forces. Extended service life: Components made from high Cr white iron have a longer lifespan due to …

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High Chromium Cast Iron Rolls

All high chromium rolls are high temperature heat treated and tempered to obtain optimal properties. They bring high performance figures in the first finishing stands of Hot Strip Mills, Skin Pass stands and in finishing stands of small sect …

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Chilled cast iron rolls manufacturer

Chilled cast iron rolls, work rolls/backup rolls/hss rolls/adamit rolls. LMM GROUP can supply customer with high wear resistance and stablity, high-strength quality rolls. Skip to content +86 411 84174804; info@lmmworkrolls; Mon - Fri: 8:30 - 17:30; Linkedin Youtube Facebook Twitter Instagram. HOME; PRODUCT.

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High-speed steel roll

High-Chromium steel rolls; Semi – steel rolls; Graphite steel rolls; ... The trial data shows that the ∮370mm high-speed steel roll produced by LMMGROUP has far exceeded the single-groove assessment value of 1,500 tons in the "Roll Ordering Technical Agreement", and the effect is good. ... Cast iron rolls; Cast steel rolls;

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High Chromium Cast Iron Roll

Brand SDMT; Product origin HEBEI; Delivery time within 75 days after advanced payment; ... High chromium cast iron roll. Thanks to its high content of M7C3, type carbide in range of 20-30% and discontinuous network distribution of carbide, the roll offers a high wear resistance performance. The matrix is finely-disseminated secondary carbides ...

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