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ultrahigh-strength steel

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... stamping. Source: Ref 7.6 Fig. 7.3 Indirect method of hot stamping. Source: Ref 7.6 Abstract Hot stamping is a forming process for ultrahigh-strength steels (UHSS) that maximizes formability while minimizing springback. This chapter covers several aspects of hot stamping, including...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310095
EISBN: 978-1-62708-326-3
... properties in several quenched and tempered steels. (b) Relation of tensile strength and reduction in area for carbon and alloy steels. Fig. 2 End-quench hardenability of carbon steels with various carbon and manganese content. Source: Ref 4 Fig. 3 Effect of carbon on hardenability of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... content is less than 8% ( Fig. 8.1 ). This is not a hard and fast rule, because some steels with alloying slightly above 8% are sometimes referred to as “medium-alloy” steels. High-alloy steels typically refer to stainless steels, maraging steels, austenitic manganese steels, and some ultrahigh-strength...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240371
EISBN: 978-1-62708-251-8
... oil and natural gas platforms, ship hull and deck plate, and electrical transmission towers and poles. In automobiles, HSLA steels are used for safety applications such as ultrahigh-strength impact door beams and energy-absorbing bumper assemblies and for increasing fuel economy through thinner and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... Abstract This chapter discusses various factors that affect corrosion of stainless steel weldments. It begins by providing an overview of the metallurgical factors associated with welding. This is followed by a discussion on preferential attack associated with weld metal precipitates in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440191
EISBN: 978-1-62708-262-4
... greater fracture toughness at equivalent strength. Over 100 different compositions of tool steels are produced. They vary in composition from simple plain carbon steels that contain iron and as much as 1.2% C with no significant amounts of alloying elements, up to and including very...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170210
EISBN: 978-1-62708-297-6
... explains how the properties of these steels are determined by alloying elements, such as tungsten, molybdenum, vanadium, manganese, and chromium, and the presence of alloy carbides. It describes the types of carbides that form and how they contribute to wear resistance, toughness, high-temperature strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060273
EISBN: 978-1-62708-261-7
... cases nonmetals such as machinable ceramics and polymers. Many of these steels may also be used in noncutting applications that require high-temperature stability, high levels of wear resistance, strength, and toughness. Tool steels can be hardened through heat treatment, and their chemical compositions...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170234
EISBN: 978-1-62708-297-6
.... 1 Plane-strain fracture toughness of maraging steels compared with fracture toughness of several ultrahigh strength steels as a function of tensile strength. Maraging steels have been used extensively in two general types of applications: Aircraft and aerospace applications, in which the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
..., missile bodies, springs, high-strength fasteners—in general, applications where weight saving is essential ( Ref 3.1 ). The term ultrahigh-strength steel is often used in these applications, but this description is not clearly defined in terms of yield strength or heat treatment. Owing to the...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410579
EISBN: 978-1-62708-265-5
... and is made possible by pressurized electroslag remelting. Even higher strengths at good levels of toughness appear to be attainable with these ultrahigh-nitrogen steels. Table 23.2 Compositions of AISI type 200 austenitic stainless steels AISI type No. Nominal composition, % C Mn Cr...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060291
EISBN: 978-1-62708-261-7
... stainless steels ( Table 12.3 ), such as 201, 301, and the general-purpose 304 alloy. Alloys with less than 20% Cr and 14% Ni fall into this unofficial category. They are generally used for high strength or high formability and comprise the largest category of all stainless steel produced. Work-hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... Fig. 6.1 Change in usage of materials for body-in-white parts. Source: Ref 6.1 Fig. 6.20 Factors influencing tribological failures in forming advanced high-strength steel (AHSS)/ultrahigh-strength steel. UTS, ultimate tensile strength Abstract This chapter discusses the forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... follows: Although many of the previously mentioned AISI/SAE low-alloy steels also have high strength and, in some cases, ultrahigh strength (a yield strength above 1380 MPa, or 200 ksi), there is a rather loose class of steels called HSLA steels that do not fit the previously mentioned AISI/SAE...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410621
EISBN: 978-1-62708-265-5
... approximately 480 °C (896 °F). Excellent combinations of high strength and toughness are associated with the aged low-carbon martensitic microstructures, and the maraging steels are used for many structural applications, including tools and dies, which require ultrahigh strength and toughness. Brandis and...
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
... alloys, which are referred to as superferritic stainless steels ( Fig. 1 ). The Group III alloys can be further divided into intermediate-purity alloys ( Table 3 ) and ultrahigh-purity alloys ( Table 4 ). Figure 2 shows the effects of alloying on the properties and processing characteristics of the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130541
EISBN: 978-1-62708-284-6
...–25 Chromium molybdenum alloy steel 40 23 Tin antimony 27–54 16–31 Tantalum alloys 35–57 20–33 Lead tin 25–58 14–33 Ultrahigh strength steel 37–48 21–28 Molybdenum alloy steel 31–54 18–31 Pure Vanadium (V) 39–46 23–27 Pure Thallium (Tl) 34–54 20–29 Nickel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... slow, ferritic type structures will form rather than martensite. Ferritic type structures, such as pearlite, are susceptible to weld cracking, but the strength will be lower than anticipated. However, if the cooling rate is rapid, then untempered martensite will form. In the case of a hardened steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... the ultrahigh-strength 300M steel is shown in Fig. 15 . A K t value of 2 is obtained in a specimen having a notch radius of approximately 1 mm (0.040 in.). For small parts, such a radius is often considered large enough to negate the stress concentration associated with any change in section...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940271
EISBN: 978-1-62708-302-7
... Abstract This chapter is a detailed study of the localized corrosion behavior of steel, copper, and aluminum alloys. It applies the basic principles of electrochemistry, as well as materials science and solid and fluid mechanics, to explain the causes and effects of pitting, crevice corrosion...