ASTM's steel standards are instrumental in classifying, evaluating, and specifying the material, chemical, mechanical, and metallurgical properties of the different types of steels, which are primarily used in the production of mechanical components, industrial parts, and construction elements, as well as other accessories related to them
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work roll materials on-site or in , each rolling stage For instance, high-chromium steel , and composition may not only vary from one mill to another but
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In order to analyze the influence of technical parameters on work roll axial force of four-high continuous variable crown (CVC) mill, the deformation analyzing model with top roll system and strip was established based on influence function method Then a CVC work roll curve designing scheme was proposed and it was carried out on some cold rolling mill considering the requirement of ,
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Key: A 2-high B 3-high C 4-high D 6-high E 12-high cluster & F 20-high Sendzimir Mill cluster Mills are designed in different types of configurations, with the most basic being a two-high non-reversing , which means there are two rolls that only turn in one direction
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Feb 24, 2017· Material specification of 2%Cr, 3%Cr, 5%Cr, Semi-High Speed Steel are available Name Type of material Hardness Depth of hardness Hardness deviation Intermediate roll 2%Cr, 3%Cr, 5%Cr SHSS 70-85 HSD 8-50mm Within 2 HSD Back-up Roll Big-sized Back-up Roll Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill
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12 Work Roll Material Properties The work roll for 4 Hi and 20 Hi is taken D2 material The chemical and mechanical , Table 2 Chemical Composition of Roll Material , The deformation of work roll of rolling mill has been divided in three sections named as Entry Elastic Deformation zone, Plastic Deformation zone, and Exit ,
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Dec 03, 2012· Hot Rolling Mill Rollers of Steel Mills 1 Department of Metallurgical and Materials Engineering, IIT Kharagpur Course:- Material Design and Selection A brief presentation on Hot rolling mill rolls (steel plant) Basic funda “ The Chemical Composition and Microstructure of the roll need to be changed for different stands, from roughing till finishing stand ” 09MT3018 Piyush Verma 4th year ,
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Mechanical Properties* Form Temper Temper Code Tensile Strength (ksi) YS-02% Offset Elongation (%) Rockwell B scale Rockwell C scale Rockwell 30T scale
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AISI 52100 alloy steel is known as a high carbon, chromium containing low alloy steel The following datasheet gives an overview of AISI 52100 alloy steel Chemical Composition The following table shows the chemical composition of AISI 52100 alloy steel
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Nov 21, 2015· Cluster mill or Sendzimir mill stand – In this rolling mill stand, each of the work rolls is supported by two backing rolls Cluster mill and Sendzimir mill are used for rolling thin strips of high strength materials and foils [00025 mm thick] The work roll in these mills can be as small as 6 mm diameter – made of tungsten carbide
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High reduction schedules combined with the requirement to produce a widening range of material cross-sections and a more varied range of softer and harder materials, results in increasingly greater challenges in the control of roll temperature and the effective transfer / extraction of heat
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Providing you the best range of 2/4/6-High Skin Pass Mills, 4-High Reversing Cold Rolling Mills, 6-High Cold Rolling Mills, 20-High Cold Rolling Mills, Coupled Pickling Lines & Tandem Cold Mills (PLTCM) and Tandems Cold Mills with effective & timely delivery
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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 ,
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Dec 10, 2015· Straight C chill rolls, High resistance to temperature changes, breaking and surface crazing: 55-65: As above but including 04 to 10 % Mo, Work rolls, Mill conditions is to be stable: 55-65: Alloy indefinite chill rolls Temperature fluctuations are to ,
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Dec 24, 2018· 2Three High Rolling Mills The Three High Rolling Mills comprises of a roll stand with three parallel rolls one above another The adjacent rolls rotate in the opposite direction to pass the material between the top and middle roll in single direction, and the bottom and central roll in the opposite direction
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4 Hi Mill Workroll Material Composition Mining Equipment; 4 Hi Mill Workroll Material Composition Mining Equipment We are here for your questions anytime 24/7, welcome your consultation Get Price Ball mill is also known as ball grinding mill Ball mill is the key equipment for recrushing after the crushing of the materials
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High Speed Steel Rolls Centrigugal Casting Hi-Carbon Steel Adamite Rings They are mainly applied to finishing mill, hot&cold rolling mill work rolls, back-up rolls Adamite roll or high speed steel roll used in the early finishing stands of a lot strip mill Description: 1)Material,
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A 3 High Rolling Mill consists of three rolls and is typically used for either performing multiple reduction passes by wrapping material around the center mill roll, or for bonding of dissimilar stacked material passed through the mill Three High Rolling Mills can also be used for flattening of ,
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Cluster mill rolls, diameter ranges from 20mm to 340mm, maximum length of which can reach up to 2800mm The categories of sendzimir rolls are composed of following: Work roll 1st Intermediate Roll 2nd Intermediate Roll For Work Roll, we Kaida Roll suggest following material: MATERIAL : M1 (AISI M1, DIN-13346) 1 Chemical Composition：
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Mill scale is one of waste materials which is produced as a result of hot rolling of steel in all steel compani On the other hand, mill scale is considered a rich iron source with minimum impuriti This work aims at conversion of mill scale by adjusting smelting processes to produce different valuable products The smelting processes were carried out using carbothermic reduction in a ,
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It shrinks slightly during the cooling process This leaves the metal with internal stress The results are non-uniform measurements and some distortions The material’s dimensional tolerances can vary between 2,5% Also, the surface has a scaly finish This is a kind of oxide that forms at high temperatures, known as mill scale
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Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill The diameter of roll barrel is 350~1800mm The material of back-up roll includes 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo, 5Cr5NiMoV etc
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Rolling mill consisting of four rolls or known as a 4 High rolling mill is used for reducing material to extremely small thickness Through the use of larger backup rolls, the issues of roll deflection can be avoided and smaller work rolls can be used This reduction in work roll diameter: Reduces overall separating force required for reductions
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A Z-Mill or Sendzimir Mill is a machine for rolling steel Unlike a traditional rolling mill this 20-high cluster mill configuration utilizes cascaded supporting rolls to apply force on the small work rolls in the center This allows the application of a higher roll pressure without bending the work rolls, which would result in poor metal quality
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The two high reverse rolling having the rolls rotated in both direction But that disadvantage of rolls are heed to stopped, reversed and become back up to rolling speed between each pass The different types of rolling operation are Two high rolling mill; Three- high rolling mills or triple roll; Four- high rolling mills or 4 high rolling mill
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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
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So it is used to make the complex blade and metal cutting tools with good impact resistant ability And it also is great material for cold worked mold base, high-temperature springs and etc High Speed Steel Composition High-speed steel is made from W, Mo, Cr, Co, V, and etc elements And HSS is high alloy steel with high carbon content
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The total volume fraction of HSS7 carbides equals to 15%Volume fraction, % Total Chemical composition (Main elements), wt-% MC M 7 C 3 M 2 C 195C-51V-16W-17Mo-55Cr 2C-61V-18W-11Mo-56Cr 2C-4V-18W-25Mo-55Cr 2C-43V-65W-41Mo-56Cr Table 6: Volume fractions of MC, M 7 C 3 and M 2 C eutectic carbides in High Speed Steels for rolling ,
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4-Hi Rolling Mill Application and characteristics 1 Suitable for common carbon steel, stainless steel, rolled steel, special aluminum or copper tape strip etc 2 Work roll and supporting roll drive type，Can quickly adjust the strip crown, Change the contact pressure distribution between the rolls, to control the plate shape and plate ,
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500mm Nash 4-Hi Reversing Cold Mill: RM-445 Manufacturer: Nash Manufacture: - Nash / New 1976 - Fully revamped 2012 (new electric system & drive system) Mill Type: 4-Hi Reversing Cold Rolling Mill Material: High-carbon steel, stainless steel, copper alloys, etc Strip W,
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No.416 Jianye Road, South Jinqiao Area,
Pudong New Area, Shanghai, China.
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+86-21-58386189, 58386176
