HIGH SPEED STEEL ROLL. Hss rolls are mainly used as the work rolls in the hot trip mills and the finishing stands of bar mills rings of the universal section mills and finishing stands of the high speed bar mills.Get A Quote
HIGH SPEED STEEL ROLL. Hss rolls are mainly used as the work rolls in the hot trip mills and the finishing stands of bar mills rings of the universal section mills and finishing stands of the high speed bar mills.
Applications plate mills hot-strip mills cold-rolling mills Description Backup rolls weighing 7-230 tones made of alloy-forged steel with Cr content of 140-550 have an excellent combination of metallurgical and physical properties such as a compact porosity-free microstructure good ductility and toughness values high resistance to fatigue wear and thermal cracking.
The roll industry leader for over 100 years. A recent addition to the WHEMCO family UNITED Rolls Inc. located in Canton Ohio offers horizontally spun cast rolls for hot strip cold strip plate and roughing stand applications. URI technology advancements have resulted in the Synergy product lines Synergy 100 HSS Hot Finishing Mill .
High chromium steel is similar to high Cr cast iron with lower carbon content of 1.0-1.8.The lower carbon grades are true steel with no eutectic carbides and higher carbon grades have some eutectic carbides.. Hi Chromium steel rolls are used in roughing stands of HSMs Steckle Mills and some early finishing stands of Hot Strip Mills.
HSS rolls are aka high speed rolls are becoming more and more popular for bar mills finishing stands or hot strip mills. However therere different chemical content amp working layer depth between these two applications. Anyway todays topic is the pros why rolling mills like to us HSS rolls heres 7 tips for you to know
1 An investigation of worn work roll materials used in the finishing stands of the hot strip mill for steel rolling M. Nilsson12 M. Olsson12 1Dalarna University SE-791 88 Falun Sweden. 2Uppsala University 197ngstr246m Laboratory Box 534 SE-751 21 Sweden. Abstract The surface failure characteristics of different work roll materials i.e. High Speed Steel High Chromium Iron
Structural Investigations of HSS Rolls for Hot Strip Mill Jacqueline Lecomte-Beckers Jerome Tchoufang Tchuindjang Roger Ernst Jean-Pierre Breyer ABSTRACT High Speed Steel HSS cast rollsare used in front finishing standsof hot strip mills HSM. Good wear resistance and hardnessat high temperatures are defining featuresof HSS.
In the early 80180s the Chrome steel work roll grade was developed by European rollmakers and introduced since then in most of the existing roughing stands of hot strip mills HSMs as well as into the early finishing stands of compact strip mills. In 2010 the Chrome steel grade is still a standard grades in many HSMs over the world
The integrity of rolls of HSM CRM affects the mills performance in terms of mills productivity and availability inventory costs man and machine hour costs and also the quality of the rolled products. Immediately after commissioning of the Hot Strip Mill at TATA STEEL due to frequent failure of rolls the mill suffered a lot in terms of .
China Work Roll M3CM7C3MC Find details about China Work roll Forged roll from Work Roll M3CM7C3MC - Cimm Group Of China
Sep 13 2018018332High-chromium cast iron rolls improved the surface quality of the rolls. Because of the increasing demand for hot-rolled coils with high surface quality requirements since the 1990s the centrifugal casting high-speed steel composite rolls have become increasingly popular in the F1 to F3 stands. The core of those rolls is ductile iron.
Application Section mill bar mill intermediate and finishing stands of wire-rod mill Protile rod and wire narrow strip mill tinishing stand Plato flat rack strip finishing . high speed wire pre finishing steel roller universalrolling mill wide plate mill work rollsRough rolling hot strip mill work rolls cold rolled strip steel .
HIGH SPEED STEEL ROLLS SUMMARY The working layer of HSS rolls are made of alloy V W Nb and Mo and shaped in Centrifugal Casting Machine with spheroidal graphite cast iron in its core. . Work rolls of finishing stands for hot strip mills Work rolls of finishing stands for hot bar mills Pre-finishing stands for high-speed wire mills .
High Speed Steel Roll. Hss rolls are mainly used as the work rolls in the hot trip mills and the finishing stands of bar mills rings of the universal section mills and finishing stands of the high speed bar mills. Were here to help Easy ways to get the answers you need.
Work rolls for flat products. INNSE produces a series of Cr-Mo steel rolls mainly for roughing stands of hot strip mills where rolling conditions impose very high thermal stress. By varying the steel carbon level and the amount of carbides adequate matrices are produced in
Camet Metallurgical Technologies Co. Ltd. High Speed Steel Roll Mill Roll Cast Steel Roll manufacturer supplier in China offering High Speed Steel Roll HSS Spun Cast High Chrome Cast Iron Roll Steckel Mill Cast Iron Roll and so on.
High Chrome Cast Iron Roll Hicr Roll Rolls for Rolling Mill manufacturer supplier in China offering Enhanced High Chrome Cast Iron Rolls HiCr Cast roll for hot rolling strip mill High Speed Steel Rolls for Hot Strip Mills Cast HSS Work Rolls for Hot Strip Mills and so on.
Hi Cr Steel Rolls are mainly used for rough stands R1 R2 of hot strip plate rolling mills and universal section rolling mills. We make this kind of roll by centrifugal cast and the material of core is strength nodular iron. The working layer is Cr Mo Ni V and other alloy element. Get Price
Oct 01 2004018332The last HSM finishing stands F5F6F7 use indefinite chill iron ICI or modified indefinite chill iron MICI rolls while high chromium iron HCI or nowadays high speed steels HSS rolls are used in the initial HSM finishing stands F1F2F3F4 and high chromium steel HCS is the product usually used at the roughening stands.
State of the art work roll grades for roughing and finishing mill application are described including characterisation of microstructure hardn ess and residual stress levels. Most recent work roll developments are presented including res ults of HSS rolls running successfully in roughing and finishing stands of conventional HSM a s well as CSP-mills HSS developments for Steckel mills
Feb 24 2017018332Chemical 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 rolls for hot strip mills vertical rolls universal section mills 7.
The final dimensional quality of the rolled product is determined by the rolling stands within the finishing mill. The dimensional accuracy in the final product depends on many factors including the initial stock dimensions roll pass sequence temperature microstructure roll surface quality roll and stand stiffness and the stockroll friction condition.
MBI Rolls a division of M. Brashem Inc. has provided the best value for quality price and service to the steel industry for more than 30 years. We are a leading distributor of mill rolls to the north American steel mill industry with significant share of the long bar market.
High Speed Steel HSS cast rolls are used in front finishing stands of hot strip mills HSM. Good wear resistance and hardness at high temperatures are defining features of HSS. Previous experience has shown that HSS rolls containing mainly hard MC carbides have a high friction coefficient which is detrimental for the rolling power .
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