Material Data and Applications For over half a century, Ni-Hard has been the number ... eutectic composition. The appearance of graphite is highly detrimental to abrasion resistance. ... Loescher roller pulverizer mill with Ni-Hard 4 rollers (each 3 tons) and table. Used for coal crushingGet Price
ROLL QUALITIES AND ECONOMIC UTILISATION OF ROLLS
ROLL QUALITIES AND ECONOMIC UTILISATION OF ROLLS Umesh Singhal Divisional Manager Tata Iron & Steel Company Ltd ... Special materials like tungsten carbide and high speed steel 2.1 Steel Base: Rolls ... rolls are also used as back-up rolls in 4 high mills although normally alloy cast steel rolls are used for back-up.Get Price
rolls for rolling mill - SlideShare
Feb 24, 2017· The material of Sendzimir work roll is tool steel, die steel and high-speed steel. These are materials of high hardness. The rolls are manufactured under quenching and tempering processes of high temperature. During the tempering process, secondary hardening is used to reach hardness of 60-63HRC, 61-64 HRC, 63-66HRC etc, for different work rolls.Get Price
Composition Optimization and Experimental Characterization ...
A new steel with high Cr and low W, Mo contents for forged cold work roll was designed based on the composition system of traditional high-speed steel roll. The Fe-C isopleths of the steel and the...Get Price
Tata Steel Limited
Tata Steel Legacy of Trust Tata Steel is amongst the top-ten global steel companies with a crude steel production capacity of 26.5 million tonnes per annum (mtpa). A Fortune 500 Company, the Tata Steel Group is the world's second most geographically diversified steel producer, employing over 80, 000 people in nearly 50 countries.Get Price
China 9cr3mo Steel Cold Rolling Mill Roll with High ...
Machinery, Spare Parts, Steel Casting manufacturer / supplier in China, offering 9cr3mo Steel Cold Rolling Mill Roll with High Quality, Excavator Spare Parts Bucket Tooth Bucket Teeth, Roller Bearing, Cylindrical Roller Bearing for Pillow Block and so on.Get Price
A BASIC UNDERSTANDING OF THE MECHANICS OF .
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.DOCGet Price
4-high cold rolling mill - ANDRITZ
The 4-high mill is equipped with positive and negative work roll bending in order to influence the shape and the flatness of the strip. Either the work roll or the back-up roll is driven, depending on customer requirements. The diameter of the 4-high work rolls amounts to approximately 1:4 .Get Price
Rolling mill Rolls and Roll Shop – IspatGuru
Dec 10, 2015· Rolling mill Rolls and Roll Shop Rolls are the main and very costly consumables in a rolling mill. They are used to roll steel in the rolling mill and their performance depend on many factors which include the materials used and the loads to which they are subjected to during service.Get Price
M4 Steel Chemical composition, Metal Properties, Datasheet ...
This page cover the M4 steel grades Mechanical Properties, Chemical Element, Cross Reference of USA ASTM M4 Materials, Application Molybdenum series High-speed tool steel,Get Price
1.2327 Forged forging Steel Round Bars Rods Square ...
1.2327 Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars Forged shafts,1.2327 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tube tubings barrels Casing Cases Shells cylinders hubs housings,1.2327 Seamless Rolled Steel Rings,1.2327 Forged Forging Steel rings,1.2327 Forged Forging Steel Blocks Discs Disks Plates,1.2327 .Get Price
Nickel Iron Alloy 4750 / High Perm 49 - Aircraft Materials
Alloy 4750/ High Perm 49® is a 48% nickel-iron alloy which combines a high saturation flux density (approx. 16000 gauss / 1.6 tesla) with high magnetic permeability and low core loss. This alloy has the high saturation flux density of any of the nickel-iron alloys, making it a versatile alloy.Get Price
4 hi mill workroll material composition
Home / Products / 4 hi mill workroll material composition. Cold Rolling | Quaker Chemical Corporation. Cold Rolling. Rolling forces, mill-power requirements and the composition of the lubricant and the man- ner in which it particularly important for the rolling of high-strength steel grades roughness of strip and the work roll, steel grade, and.Get Price
Difference Between a 2 Hi Rolling Mill and a 4 Hi Rolling ...
Different Properties of 2 Hi Rolling Mill and 4 Hi Rolling Mill . Many friends don't know what a 4 Hi Rolling Mill is. In fact, the 4 hi rolling mill is a combination of two working rolls and two supporting rolls. It is not only the drive mechanism for the backup roll, but also the work roll driven equipment.Get Price
4 hi mill workroll material composition - osteodons
4 hi mill workroll material composition - accountscore. 4 hi mill workroll material composition Steel rolling mill chatter marks Mechanical 2011-1-13 · I have been asked to investigate "roll chatter" on a "skin pass" steel rolling mill used for final Raw Mill Cement Composition.Get Price
High Alloy Steel Ni-based Alloy - JSW
High Quality Materials You Can Trust ... shapes and non-standardized chemical composition. Large products made of high alloy steels, stainless steels and Ni-based ... Heat Treatment Furnace 4-high Plate Mill Pipe Forming Press (12,000ton) Forging Press (14,000ton) ESR ingotGet Price
ROLLS FOR ROLLING MILLS - Uralmash
Guaranteed features of solid-forged backup rolls for cold- and hot-rolling mills High and uniform hardness after power current hardening (within 1-2 HSD over the barrel) Effective layer depth is min. 40–100mm over the radius High strength of the roll material combined with ductility No tendency towards cracking or barrel surface spallingGet Price
4 hi mill workroll material composition - jovcet
4 hi mill workroll material composition. LEAVE A COMMENT. material Grade Comparison Table . MARYLAND METRICS Technical Data Chart A short general listing of popular materials International Material Grade Comparison Table The standards that correspond with DIN Material Numbers can only be compared approximately. The use of these equivalents has ...Get Price
UNDERSTANDING OF WORK ROLL CORROSION AND .
understanding of work roll corrosion and oxidation mechanisms in a hot strip mill. Several laboratory trials (Hot rolling simulator, cyclic oxidation) have highlighted important factors influencing corrosion of work rolls as well as helping the understandings of oxidation of a work roll in the roll bite and along the roll circumference in a stand.Get Price
ASTM Material Standards under the jurisdiction of ...
which are included in the EN material standards but are typically supplemental in ASTM material standards for these pressure vessel materials. There is an opportunity for ASTM material standards to tighten their chemical composition limits to more appropriately represent the material in the USA marketplace supplied under those standards.Get Price
Alcoa Aluminum: Rolled Products
4-high work rolls backup roll backup roll 2-high reversing 2-high 5-stand tandem mill slab Load = Pressure x Area Load = Pressure x (WxL) So, Load aL . and a smaller work roll diameter therefore results in lower loads What is the advantage of a smaller work roll diameter? L 1 L 2 Sheet and Plate Manufacturing: Hot RollingGet Price
Basic End Mills Technical Information | MSC Industrial ...
Cutting Tool Materials: High Speed Steel (HSS) provides good wear resistance and costs less than cobalt or carbide end mills. HSS is used for general-purpose milling of both ferrous and nonferrous materials. Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys designed to increase abrasive wear resistance and toughness.Get Price
(II-1-2) Steel and Iron Materials - DNV GL
4.2 If the material is suitable, products may also be supplied in normalising rolled (controlled rolled) or thermo-mechanically rolled condition (see 4.3), pro-vided that the processes have been checked and ap-proved by GL on the manufacturer's premises. 4.3 Definitions The processes mentioned in 4.2 are defined as follows:Get Price
Failure analysis of work rolls of a thin hot strip mill ...
In hot rolling mills, premature failure of rolls is a major concern as it adversely affects the mill operation as well as production. Analysis of failed roll materials and actual rolling conditions in service are therefore necessary to understand the roll failure mechanism and thereby improve the wear resistance and extend the service life of rolls.Get Price