Bel-2000 Gen II | Millassist Services Inc.

Bel-2000 Gen II. The Bel-2000 is the only electronic hardness tester available on the market. It is the Industry's standard in hardness testing on wound rolls. All Bel-2000 Units come with everything pictured, including a heavy duty flight case for storage and transport, and the Bel-2000 software that works on any Windows based operating system.

Rolling Mill Roll at Best Price in India

We manufacture the Rolling Mill Roll(Steel). We specialize in all kinds of adamite rolls having diameter up to 1500 mm and length up to 10000 mm in all international standards. We provide high quality rolling mills rolls as per designing and specification of our customers requirement.

Rolling mill Rolls and Roll Shop – IspatGuru

Dec 10, 2015· Tab 3 Types of rolls for billet and merchant bar mills : Type of roll: Surface hardness (Deg Shore) Forged steel 0.75% C, Roughing stand rolls: 35: Cast steel – 0 to 0.5% Mo + Ni, Cr, Mn, Strong, tough, resistant to fire cracking

What is "Cold Rolling" Stainless Steel and Other Metals ...

Depending on the amount of compression, different mechanical properties and hardness properties are achieved in the finished product. Through cold reduction, the thickness of the metal can be reduced by processing steel strip through a sequence of tandem rolling mill stands. The rolls on these stands are stacked vertically and powered by huge ...

718 - Rolled Alloys, Inc.

718. Inconel 718 is a high strength nickel base superalloy used for cryogenic temperatures up to long term service at 1200°F. The alloy is readily fabricated and may be welded in either the annealed or precipitation (age) hardened condition. Anneal 1700 -1850°F, air cool or faster. Age 1325°F 8 hours, furnace cool to hold at 1150°F, for a ...

China 9cr3mo Steel Cold Rolling Mill Roll with High ...

Ball Mill Used Wear Resistance Parts Mining Equipment. US $1,000-1,250 / Ton. Carbon Steel Forged Mill Rolls. US $100-10,000 / Piece. Dci Steel Rolls for Rolling Mill, Sgp Cast Iron Roll. US $1,320-1,550 / Ton. Indefinite Chilled Cast Iron Roll Made in China. US $1,750 / Ton. 50cr5MOV Forged Steel Rolls for Rolling Mill.

DAEWHA ALLOYTECH

1. Adamite (ADM) High Carbon series Mill Roll, Impact Resistance (Toughness),Wear Resistance, Thermal Crack Resistance. Hardness : HS40~60. Micrograph : 420N (Hs 55/60) X 50. 420N (Hs 55/60) X 100. Property : Excellent Toughness, Applying for Heavy Load Condition. 2.

METALLURGICAL APPLICATION TO WORK AND BACK UP …

Nov 23, 1988· The state of the surface is one of the criteria determining the roll change. With the aim to satisfy the mill requirements it is necessary to pay attention to the Kinetic of oxidation, hot hardness increase in the matrix and the morphology of the different type of carbides.

Back-up Rollers for multi-roll cold rolling mills

Multi-roll cold mill stands are described using different terms depending on their type and manufacturer: 12 and 20 roll stand Z-High® S-High. Multi-roll cold rolling mills are used to process high grade steel strip and non-ferrous metal strip. In order to prevent whipping of the work rolls, they are supported by means of intermediate

PHYSICAL METALLURGY OF A HSS MATERIAL FOR HOT …

PHYSICAL METALLURGY OF A HSS MATERIAL FOR HOT ROLLING MILL ROLLS Jacqueline LECOMTE-BECKERS 1 Jerome TCHOUFANG TCHUINDJANG 1 Eric PIRARD 2 Jean-Pierre BREYER 3 ABSTRACT High Speed Steel (HSS) cast rolls are used in front finishing stands of hot strip mills. Good wear resistance and hardness at high temperatures, are defining features of …

Chapter 7 Roller Milling of Wheat - ScienceDirect

Jan 01, 2007· Breakage of wheat kernels during roller milling has been modelled in terms of the distribution of kernel characteristics (hardness, size, moisture) and roller mill operation (roll gap, disposition). A correction function to account for the effects of pearling kernels prior to breakage has been demonstrated.

Winding principles part 2 - effect and elements of nip ...

The changing geometry between the shipping rolls and the drums creates changes in the way drum nip pressure affects roll hardness. By maintaining drum nip pressure at a constant level, however, you can prevent unwanted changes in roll hardness. Figure 5 Elements of nip load as the roll builds in the winding pocket.

Rolls of Rolling Mill Breakage Causes - Rolling Mills ...

Jun 21, 2019· Rolling mill rolls may break in practical applications. The rolls broken portion at the rolling ring is an irregularly inclined or vertical section. ... Generally speaking, the wear resistance and surface hardness of the roll is related to the hardness difference along the diameter direction of the roll body, so it is hoped that the smaller the ...

Steel 101 – Miami Valley Steel Service

Integrated Mills: The principal raw materials for an integrated mill are iron ore, limestone, scrap, and coal (or coke). These materials are charged in batches in a blast furnace where the raw materials are converted to liquid iron (also called pig iron). ... is a hardness scale based on the surface hardness of a material. Scale is 0 to 100 ...

Cold Mill Work Rolls - Union Electric Åkers

Extensive range This market segment covers forged Work Rolls and Intermediate Rolls for use in Wide Cold Strip Mills of 2-high, 4-high, or 6-high types, including reversing Reduction Mills, Tandem Mills, Double Reduction Mills, and Temper/Skin Pass Mills. Our Rolls can be supplied in a number of grades to suit various applications, materials, and rolling conditions. Both electric …

Recent Advances in Rubber Roll Covers for Improved Paper ...

• Crosslinking agent - Peroxide or Sulfur – controls hardness and improves the properties of the rubber. • Other Misc AdditivesOther Misc. Additives 5 PaperCon 2011 Page 2664. Compounding and Mixing 2-roll mills to blend rubber components 6 PaperCon 2011 Page 2665.

Rolls-Forged Rolls-Cold Mill Rolls - Metals

Reversing Mill Work Roll Skinpass Mill Work Roll : Deep Hardness Penetration : Special Function. Symbol Material Substance Main Usage Characteristics FH-15K : 5%Cr Steel : Tandem Mill Work Roll : Deep Hardness Less Roll Marks : FH-15R : Special Material : Tandem Mill First Stand Roll :

High Hardness forged back up roll Taixi Mill Roll

May 05, 2019· The quality of cold-rolled workingthe surface quality of plate material, the qualified rate and operating rate of mill.cold-rolled working roll is very important The basic requirement includes: a.High and even hardness in rllbody, b. Deep hardness layer, c.High abrasion resistance; d. Better spalling resistance; e. Excellent mechanic property.

Failure analysis of work rolls of a thin hot strip mill ...

Apr 01, 2015· 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.

Hardness Conversion - mrspk.com

Hardness Conversion Mill Roll Specialist is committed to provide the highest quality products possible through our highly skilled and dedicated work force and state-of-art manufacturing process. We pursue an aggressive outgoing research and development program thus ensuring ourfuture as a leader in Roll casting metallurgy in Asia.

Lab Jar Mill

Description of Roll Mill Jars. Available Specifications. Normal ceramic roll mill jar. From 1.0L to 15L. 304 Stainless steel roll mill jar. From 0.5L to 20L. Alumina ceramic (Corundum) roll mill jar. From 0.5L to 10L. Nylon roll mill jar. From 0.5L to 20L. Polyurethane roll mill jar. From 0.5L to 20L. PTFE/Teflon roll mill jar. From 0.5L to 20L

Rolling Mill Rolls | Xtek, Inc.

Plate Leveling Rolls round out the Xtek's roll product offerings with a special heat treatment providing more consistent depth of hardness. Through our extensive knowledge of rolling mill applications and our wide size range for machining and heat treating, Xtek can make a roll for you! Contact us today to discuss your roll needs.

HPGR High Pressure Grinding Rolls

Jul 13, 2016· Polycom high-pressure grinding roll pilot plant facilities are available for gold mining companies at the Krupp Polysius Test Center. HPGR-1 HPGR HPGR-Hardness-Measurements HPGR-vs-SAG-MILLS Predicting-SAG-AG-Mill-and-HPGR-Specific-Energy HPGR-COMMINUTION-CIRCUIT-SPECIFIC-ENERGY HPGR-Compared

US3939404A - Method of testing for and preventing the ...

In a method of testing for and preventing the possibility of cracking, spalling or like defects in a rolling mill roll surface the surface is scanned to provide a representation of the hardness and/or the magnetic conductivity. The presence at a location of a rate of change of this characteristic of greater than a predetermined amount foreshadows the possibility of the occurrence of such a ...

Roller Mills by SIEBTECHNIK TEMA. Crushing & milling ...

Our roller mills are capable of comminuting very hard through to soft products homogeneously and with a minimum fine material content, depending on requirements, to a reduction ratio of between 1:5 and 1:1.5 and our double-roller mills to a Mohs hardness of up to approx. 8.5. Single-roller mill. With the single-roller mills, brittle, soft to ...

Recent Advances in Rubber Roll Covers for Improved Paper ...

roll applicatio re roll position igh temperatu temperature ap hin the cover s enabled to de lent hardness s, these covers ment of these ecause water remium Cover 0 - 45 P&J. T sting listed in Table mbination tha Again, many bove. e press materia ns. The roll ch is 25 – 45 P& re of the Yank plication is th due to high hy velopment of tability ...

mill roll hardness - dekarzzabki.pl

Cantilever mill roll Tube mill roll Universal roll Ring rolls FORGED MILL ROLLS august 2012 - casting-forging.eu And differential hardening of body to required hardness is used as final heat ...

Roll Form Tooling Materials - Roll Forming | Roll Tooling

D2 - The most commonly used material for roll form tooling. • The best value material with high carbon, high chrome for excellent abrasion resistance and toughness. • Used in most areas of the mill except for certain weld rolls. D4 / D5 / D6 - Higher grades of the D series for improved abrasion resistance compared to D2.

Case Hardened Rollers - Hi-Hard Rolls

The Hi-Hard Corporation provides precision CNC machined case hardened, flame and induction hardened steel products. The rolls shown here were manufactured from various metals such as alloy steel, 400 stainless steel, and iron. Various sizes were produced featuring outside diameters from 1.5″ to 20″, and up to 175″ in length.

HSS Rolls – Expert of Mill Rolls

HSS Rolls. The microstructure consists of tempered bainitic / martensitic matrix with primary and secondary carbides. Primary carbides MC, M 7 C 3, M 6 C and M 2 C are originated during the eutectic solidification. Secondary carbides are precipitated during the High Temperature quench and tempering. The rolls are cast with the right structure ...

Category: Union Electric Akers COLD MILL Forged and Cast ...

areas of interest to the rolling mill user: longer mill campaigns, lower roll consumption and higher resistance to mill incident damage than competitors' 3%, 4% and 5% chrome rolls. ... heat treating technology resulting in superior roll microstructure, depth of hardness and residual stress profile. Features and Benefits

Roll hardness tester - Wikipedia

Application. Roll hardness is one of the most important parameters when deciding whether a paper roll is good or bad. A roll that is wound too softly can go out of round when handled. A roll that is wound too hard, on the other hand, can crack during transportation. These variations are difficult to detect.

A study of heat treatment of high‐boron high‐speed steel roll

Jul 16, 2013· The highest hardness is obtained while tempering at 525°C. The hardness of high-boron high-speed steel HSS roll is 66.5 HRC, and its impact toughness excels 13.1 J/cm 2. Using in pre-finishing stands of high-speed hot wire-rod rolling mill, the wear rate of high-boron HSS rolls is 0.26 mm/one thousand tons steel.

Adamite Steel Rolls - Metals

Hardness vs Chemical Composition 0 0.5 1 1.5 2 2.5 3 2SY 2SL 2SA 2SB 2SC 2SX 2SS CDP-1 CDP-2 Adamite Rolls 10 20 30 40 50 60 70 Carbon Silica Manganese Nickel Chromium Molybdenum Hardness Composition (% wt) Hardness (HSC) Since 1915, Metals, Ltd. has been a leading roll manufacturer. Through constant study and research, has kept ...

Rolling Mill Rolls Manufacturer & Supplier in China

And finishing mill stands require high hardness, resistance to indentation, wear resistance, spalling, and thermal cracking resistance on the rolling mill roll surface. ... can correctly formulate the technical conditions of the roller for the rolling mill and select a …