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warm rolling

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Published: 01 August 2018
Fig. 12.43 Electric steel (high silicon) warm rolled with elongated grains of ferrite. (The annealed structure is presented in Fig. 7.6, Chapter 7, “Equilibrium Phases and Constituents in the Fe-C System,” in this book). Courtesy of C. Capdevila Montes, Centro Nacional de Investigaciones More
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Published: 01 June 2008
Fig. 31.4 Niobium alloy C-103 annealed sheet. Arc melted, hot extruded, warm rolled, and annealed. Cold rolled to finished size. Final annealed in vacuum at 1290 °C (2350 °F) for 1 h. Source: Ref 4 More
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Published: 01 July 2009
Fig. 17.34 Effect of annealing temperature on the fracture toughness of warm-rolled beryllium ingot sheet. SEN, single-edge notch. Source: Tardiff 1974 More
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Published: 01 July 2009
Fig. 17.35 Effect of annealing temperature on the tensile properties of warm-rolled beryllium ingot sheet. ε l , longitudinal engineering strain; ε t , tangential engineering strain. Source: Tardiff 1974 More
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Published: 01 December 1984
Figure 3-38 Microstructure of warm-rolled hot-band steel (0.02C-0.13P-0.2Ti) etched with 2% nital (left) and with Marshall’s reagent (3 s) followed by nital (20 s), (right), 300 ×, same area. (Courtesy of A. O. Benscoter, Bethlehem Steel Corp.) More
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Published: 01 December 2006
Fig. 4 Cross sections of partial penetration gas-tungsten arc welds in high-purity Fe-28Cr-2Mo ferritic stainless steel. (a) Weld in warm-rolled sheet. (b) Weld in sheet which was preweld annealed at 1040 °C (1900 °F) for 60 min. Etched in 40% nitric acid electroetch. 11× More
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Published: 01 August 2018
Fig. 12.46 (a) Thermal cycle for warm working. The steel containing C = 0.11%, Mn = 1.41%, Si = 0.29%, Nb = 0.028% was quenched from 900 °C (1650 °F), then, rolled between 740 and 700 °C (1365 and 1290 °F) until a reduction of 50% was achieved. Material annealed at 800 °C (1470 °F) for (b) 5 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400073
EISBN: 978-1-62708-316-4
... steels contain less than 0.1% C. They are generally cold rolled and annealed. They are used in automotive body panels and appliances. Aluminum-killed steels are also preferred for deep-drawing applications. In the past, rimmed (or capped) ingot cast steel has been used because of its lower price...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... °C (900 °F). Tensile properties and sizes available for warm-rolled beryllium sheet and plate Table 20.3 Tensile properties and sizes available for warm-rolled beryllium sheet and plate Thickness Grade Minimum ultimate tensile strength, MPa Minimum yield strength, 0.2% offset, MPa...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220403
EISBN: 978-1-62708-259-4
..., and size of the manganese sulfide inclusions in these steels. Figure 12.43 presents the structure of a “warm rolled” electric steel in which the elongated aspect and the work hardening of the grains is evident. Fig. 12.41 Longitudinal cross section of non–grain oriented electric steel (NGOES...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040211
EISBN: 978-1-62708-300-3
..., explaining how to estimate friction and flow stress and predict extrusion loads and energy requirements. The chapter also discusses the tooling used in cold forging, the parameters affecting tool life, and the relative advantages of warm forging. cold forging extrusion flow stress friction tool...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
... and numerical modeling of roll forming is expected in the future. The limits and the effects of warm and hot roll forming have not been investigated sufficiently. In the future, more warm roll-formed products are expected in order to increase the accuracy of the profiles to produce ready-to-assemble parts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
... by Duygulu et al. ( Ref 5.11 ). Fig. 5.18 Flow curves as a function of testing temperature. The transverse direction samples (open symbol) are stronger than the rolling direction samples (closed symbols) at all temperatures. Source: Ref 5.10 5.2 Warm Forming Process Warm Forming as a System...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... and only the oxide layers present on the die and workpiece materials may act as a “separating” layer. In this case, friction is high, and such a situation is desirable in only a few selected forming operations, such as hot rolling of plates and slabs and nonlubricated extrusion of aluminum alloys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
..., including open-die and closed-die forging, hot upset and roll forging, high-energy-rate forging, ring rolling, rotary swaging, radial and orbital forging, isothermal and hot-die forging, precision forging, and cold forging. The chapter also includes information on cold and hot extrusion and drawing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
..., and brazing. It also discusses powder consolidation, rolling, drawing and extrusion, and common forging methods. fabrication finishing forging forming joining material removal powder processing METAL PRODUCTS that are subjected to mechanical reduction operations subsequent to casting...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390173
EISBN: 978-1-62708-459-8
... hand, if insufficient coolant is applied or the lubricant is too warm, excessive thermal camber leads to rolling with a long (wavy) middle ( Fig. 8.11b ). Highly localized shape defects may develop as a result of a blocked coolant nozzle or other interrupted lubricant supply that allows local heating...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
... and aircraft) and instrument applications (inertial measurement units). SR-200 is a commercial grade of beryllium sheet produced by warm rolling billets of vacuum hot-pressed block. Cross-rolled beryllium sheet is selected by designers seeking high-performance heat sinks and structural supports in military...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
.... See also Fig. 26.7 . Source: Ref 4 The primary objectives of the rolling process are to reduce the cross section of the incoming material while improving its properties and to obtain the desired shape. The process can be carried out hot, warm, or cold, depending on the application...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480207
EISBN: 978-1-62708-318-8
... Abstract Most integrated titanium mills have primary working equipment designed specifically for titanium. This chapter describes the forging, rolling, and extruding equipment used to produce titanium mill products and sheds light on the corresponding process, structure, property relationships...