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conventional hot rolling

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... significant in the conventional hot extrusion of steels and titanium alloys. The Sejournet process is the most commonly used for the extrusion of steels and titanium alloys ( Ref 4 ). In this process, the heated billet is rolled over a bed of ground glass or is sprinkled with glass powder to provide a layer...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003995
EISBN: 978-1-62708-185-6
... and reviews how improvements in the strength and toughness depend on the synergistic effect of microalloy additions and on carefully controlled thermomechanical conditions. It discusses TMP variables and the general distinctions between conventional hot rolling and common types of controlled-rolling...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004009
EISBN: 978-1-62708-185-6
... hot forging using rolled bars as the starting material. In rolling, a squeezing type of deformation is accomplished by using two work rolls ( Fig. 1 ) rotating in opposite directions. The principal advantage of rolling lies in its ability to produce desired shapes from relatively large pieces of...
Book Chapter

By Robert Bolin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003982
EISBN: 978-1-62708-185-6
... is possible to supplement production using this method. In addition to the rolling mill and the blanking press, a variety of additional equipment is needed. Although hot-work tool steels such as H11 and H13 are frequently used for blanking and rolling tools, especially when working heat...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... slower than in the middle of the roll form. This is characteristic of metals having a relatively high coefficient of friction with the die steel. (b) Negligible susceptibility to form seams. Metal flows up with an almost flat top during rolling in conventional thread forms. (c) Moderate susceptibility to...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009010
EISBN: 978-1-62708-185-6
... Abstract This article discusses two types of hot-tension tests, namely, the Gleeble test and conventional isothermal hot-tension test, as well as their equipment. It summarizes the data for hot ductility, strength, and hot-tension for commercial alloys. The article presents isothermal hot...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001272
EISBN: 978-1-62708-170-2
..., care must be exercised to avoid burning or damaging the castings in an assembly during the time required to pickle the hot rolled components. Two types of conventional batch galvanizing practices currently in use are the wet process and the dry process. Dry galvanizing was developed and refined in...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001270
EISBN: 978-1-62708-170-2
..., siding, and framing. Compared to conventional home building materials, steel has obvious advantages, such as price stability, dimensional stability, and better resistance to fire, earthquakes, hurricanes, and insects. Table 3 Typical applications of continuous hot-dip-coated steel sheet, wire, and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
... frequently in conventional hot forging presses to make highly accurate forgings that approach the dimensional quality that is achievable by cold forging. The process has numerous advantages over traditional hot forging ( Ref 4 ) including much less material usage. Material savings can be anywhere from 10 to...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
... modeling plane-strain deformation processes such as rolling ( Ref 31 ). The material in this article is largely taken from: H.A. Kuhn, Uniaxial Compression Testing, Mechanical Testing and Evaluation, Vol 8, ASM Handbook , ASM International, 2000, p 143–151 A.T. Male and G.E. Dieter, Hot...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005293
EISBN: 978-1-62708-187-0
... other metal-processing operations such as forging and hot rolling, a HIP system is very quiet and seems quite tame during operation. It can be a bit disconcerting, however, to calculate the amount of energy that is stored within a 1.5 m (60 in.) diameter HIP vessel at peak pressure and learn that this...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... hot or cold. Punches are normally made from proprietary tool steels when carbon and stainless steels are to be trimmed, and from 1020 steel that has been hard faced when nonferrous alloys are to be trimmed. The trimming die, or bottom die, can be made from D2 tool steel or from cold-rolled steel that...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... Materials for Hot Forging” in this Volume. Cold shearing blanks from mill-length hot-rolled bar stock is the most common method of preparing stock for hot upsetting. Cold shearing is the most rapid method of producing blanks, and it involves no waste of metal. One shear can accommodate a wide range of...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009002
EISBN: 978-1-62708-185-6
... boundaries with increasing strain. Fig. 1 Evolution of microstructure during hot-rolling of an aluminum lithium alloy undergoing dynamic recovery. (a) Optical micrograph showing heavily deformed elongated initial grains and (b) TEM micrograph showing equiaxed subgrains. Source: K.V. Jata, Air Force...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003095
EISBN: 978-1-62708-199-3
... Abstract Hot-rolled steel bars and other hot rolled steel shapes are produced from ingots, blooms, or billets converted from ingots, or from strand cast blooms and billets, and comprise a variety of sizes and cross sections. This article provides a brief discussion on mechanical properties...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... computer-aided design in the forging industry. Additionally, the article reviews specific characteristics, process limitations, advantages, and disadvantages of the most common forging processes, namely hot upset forging, roll forging, radial forging, rotary forging, isothermal and hot-die forging...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
...-operated two-roll mill for coin-making purposes. In the following years, several designs for rolling mills were utilized in Germany, Italy, France, and England. However, the development of large mills capable of hot rolling ferrous materials took almost 200 years. This relatively slow progress was...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004029
EISBN: 978-1-62708-185-6
... distinct sets of texture development mechanisms: Austenite (face-centered cubic, or fcc) deformation (during hot rolling) Austenite recrystallization (during and after hot rolling) The gamma-to-alpha transformation (on cooling after rolling) Ferrite (body-centered cubic, or bcc) deformation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003091
EISBN: 978-1-62708-199-3
... of various steel manufacturing processes, such as ingot casting, continuous casting, and hot rolling. It provides an outline of specialized processing routes of producing ultralow plain carbon steels, interstitial-free steels, high strength low-alloy steels, ultrahigh strength steels, stainless...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004010
EISBN: 978-1-62708-185-6
... schematic of a more sophisticated roll forming mill that can employ both axial and radial roll forming is shown in Fig. 3 . This hot roll forming mill was developed at the Institute for Metals Superplasticity Problems (IMSP), Ufa, Russia, to form axisymmetric and flanged shapes by localized, incremental...