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duplex stainless steel

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Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310233
EISBN: 978-1-62708-326-3
... Abstract This chapter discusses the composition and classification of stainless steels and focuses on the processes involved in heat treatment and applications of these steels. The wrought and the cast stainless steels covered are ferritic, austenitic, duplex (ferritic-austenitic), martensitic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310091
EISBN: 978-1-62708-286-0
... Abstract This chapter provides information on the structure, design aspects, mechanical properties, forming, machining, and corrosion resistance characteristics of duplex stainless steels. The different types of corrosion covered are general corrosion, pitting corrosion, crevice corrosion, and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310161
EISBN: 978-1-62708-286-0
... Abstract This chapter discusses different thermal processes applicable to the various alloy groups of stainless steels, namely austenitic, ferritic, martensitic, precipitation hardening, and duplex stainless steels. The processes discussed include soaking, annealing, stress relieving...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170257
EISBN: 978-1-62708-297-6
... Abstract This article covers the metallurgy and properties of stainless steels. It provides composition information on all types of ferritic, austenitic, martensitic, duplex, and precipitation-hardening stainless steels, including proprietary and nonstandard grades, along with corresponding...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310269
EISBN: 978-1-62708-286-0
... Abstract This appendix contains tables listing the composition of austenitic, ferrite, martensitic, precipitation-hardenable, and duplex stainless steels and of Alloy Casting Institute heat- and corrosion-resisting casting alloys. chemical composition austenitic stainless steel duplex...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440175
EISBN: 978-1-62708-262-4
... groups of stainless steels are discussed: austenitic, ferritic, martensitic, precipitation-hardening, and duplex grades. The chapter also describes the heat treatment conditions that should be maintained for processing of stainless steels. chemical composition corrosion resistance heat treatment...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310181
EISBN: 978-1-62708-286-0
... a general description of the machining behavior of the stainless steel families, namely ferritic, martensitic, austenitic, precipitation hardening, duplex, and super stainless steels. The beneficial effect of controlled inclusions is then discussed. The chapter ends with a section providing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... of the categories of stainless steels, namely austenitic, duplex, ferritic, martensitic, and precipitation-hardening stainless steels. This is followed by a discussion of the selection criteria for materials to be welded. Various welding processes used with stainless steel are then described. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440159
EISBN: 978-1-62708-262-4
..., precipitation-hardening, and duplex grades. The chapter also describes the heat treatment conditions that should be followed for processing of stainless steels. cast iron electron-beam hardening flame hardening induction hardening laser-beam hardening shell hardening steel CASE HARDENING OF...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250093
EISBN: 978-1-62708-287-7
... condition. Other stainless producers developed similar alloys. Another alloy system under study was the duplex stainless steels. The composition was designed to have a microstructure that was about 50% austenite and 50% ferrite. This improved both the strength and corrosion resistance. Duplex stainless...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140133
EISBN: 978-1-62708-264-8
... Abstract Stainless steels derive their name from their corrosion-resisting properties first observed in 1912. Two groups, working independently, concurrently discovered what came to be known as austenitic and ferritic stainless steels. Martensitic and precipitation-hardened stainless steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310137
EISBN: 978-1-62708-286-0
... when the higher thermal expansive coefficient of an austenitic material is desired. In no case is corrosion resistance better than that of normal 304 found in PH stainless steels. If enhanced strength and very high corrosion resistance are required, then the designer should look to duplex stainless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310069
EISBN: 978-1-62708-286-0
... is grain diameter in millimeters, and δ is percent ferrite. The claimed accuracy for the latter set of equations is 20 MPa and is said to apply to both austenitics and duplex stainless steels, but clearly the tensile strength relationship must break down for leaner alloys, such as 301, in which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310213
EISBN: 978-1-62708-286-0
... viable replacements for 304. Stainless steel 2003 (UNS S32003) or an equivalent lean-duplex grade can replace 316 at a cost advantage during times of high alloy cost as have been experienced on occasion, such as during the period of 2004 to 2007. It should be noted that the leaner alloys suggested (439...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310173
EISBN: 978-1-62708-286-0
... phases in the grain boundaries. As much as possible, all alloys should be hot worked in a single phase field of the phase diagram to avoid mixtures of ferrite and austenite since the great difference in their great strengths can cause failures. Duplex stainless steels and other alloys (e.g., 17-7 PH...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310147
EISBN: 978-1-62708-286-0
... ferrite but not austenite, is thus the only strengthener available. There is one cast PH alloy that has no wrought counterpart. It is CD-4MCu; however, it is rarely used in the precipitation-hardened condition and is most commonly classified as a duplex stainless steel in which the nitrogen level is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310257
EISBN: 978-1-62708-286-0
.... Mechanical design considerations are normally limited to static stress allowances. Previously, handbooks dealt very lightly with this topic because all the normally recommended steels had similar strength. The proliferation of duplex stainless steels has changed that. Now, high-strength alloys of high...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310001
EISBN: 978-1-62708-286-0
...). Chapter 3, “Austenitic Stainless Steels,” gives a more thorough and quantitative treatment of the mechanical properties of austenite. In duplex stainless steels, a secondary austenite, γ 2, can form from ferrite below 650 °C (1200 °F). At this temperature, it has the same composition as the ferrite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310027
EISBN: 978-1-62708-286-0
... Abstract This chapter explores the behavior of stainless steel in media that promote corrosion. The forms of corrosion covered are uniform corrosion, atmospheric corrosion, localized corrosion, pitting corrosion, crevice corrosion, and grain boundary corrosion. The chapter discusses the...