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Book Chapter

By A. Naganathan, L. Penter
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... 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 the methods used, the effect of process variables, and the role of finite-element analysis...
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Published: 01 August 2012
Fig. 6.20 Factors influencing tribological failures in forming advanced high-strength steel (AHSS)/ultrahigh-strength steel. UTS, ultimate tensile strength More
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Published: 01 December 2001
Fig. 1 Plane-strain fracture toughness of maraging steels compared with fracture toughness of several ultrahigh strength steels as a function of tensile strength. More
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Published: 31 October 2024
Fig. 11.24 Material share of North American light vehicle finished curb weight trends. AHSS, advanced high-strength steel; UHSS, ultrahigh-strength steel; FR, flat rolled; BH, bake hardenable; HS, high strength; HSLA, high strength, low alloy. Source: Ref 11.1 More
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Published: 01 August 2005
-strength steel. Source: Ref 4.28 . (c) 7000 series aluminum alloys, double cantilever beam specimens, 25 mm (0.1 in.) thick, short-transverse orientation of die forging, long-transverse orientation of hand forging and plate. Specimens were subjected to alternate immersion tests in 3.5% NaCl solution, 23 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... mechanical property requirements. Another category of steel based on strength is a group called ultrahigh-strength steels . These are commercial structural steels capable of a minimum yield strength of 1380 MPa (200 ksi). Three types of ultrahigh-strength steels are: Medium-carbon low-alloy steels...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060273
EISBN: 978-1-62708-355-3
... Rhenium 1862 270 . . . . . . Ultrahigh strength steels; wrought, heat treated 1862 270 1172 170 Stainless steels, age hardenable; wrought, aged 1634 237 724 105 Nickel and its alloys 1586 230 69 10 Stainless steels, specialty grades; wrought, 60% cold worked 1558 226 703...
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
... ( Fig. 1 ). Fig. 1 Plane-strain fracture toughness of maraging steels compared with fracture toughness of several ultrahigh strength steels as a function of tensile strength. Applications Maraging steels have been used extensively in two general types of applications: Aircraft...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 31 October 2024
DOI: 10.31399/asm.tb.ahsssta2.t59410139
EISBN: 978-1-62708-482-6
.... Source: Ref 8.5 U.S. Steel developed three grades of martensitic ultrahigh-strength steels for roll forming operations that require extreme flatness with excellent bendability for use in crash intrusion applications. The engineering and true stress-strain curves for two types of MS steels...
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Published: 01 December 2015
Fig. 25 Effect of stress-intensity range and loading frequency on corrosion fatigue crack growth in ultrahigh-strength 4340 steel exposed to distilled water at 23 °C (73 °F) More
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Published: 01 November 2012
Fig. 26 Effect of stress-intensity range and loading frequency on corrosion fatigue crack growth in ultrahigh-strength 4340 steel exposed to distilled water at 23 °C (73 °F). Source: Ref 18 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... constituent) and a small amount of pearlite (dark etching constituent). Light tan areas are martensite. Etched in 4% picral. 200× High-Strength, Low-Alloy Steels Although many of the previously mentioned AISI/SAE low-alloy steels also have high strength and, in some cases, ultrahigh strength...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 31 October 2024
DOI: 10.31399/asm.tb.ahsssta2.t59410173
EISBN: 978-1-62708-482-6
... will increase their share in finished vehicle curb weight, while mild, BH, and HSLA steels will decrease that share by a proportional amount. Fig. 11.24 Material share of North American light vehicle finished curb weight trends. AHSS, advanced high-strength steel; UHSS, ultrahigh-strength steel; FR, flat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... tribological failures in forming advanced high-strength steel (AHSS)/ultrahigh-strength steel. UTS, ultimate tensile strength Workpiece—Sheet Metal Draw bead tests conducted by Dalton et al. ( Ref 6.25 ) showed that galvanized material resulted in less interface friction and less tendency to gall...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 31 October 2024
DOI: 10.31399/asm.tb.ahsssta2.t59410061
EISBN: 978-1-62708-482-6
.... High-strength, low-alloy (HSLA) steels have alloy precipitates to strengthen ferrite. Advanced high-strength steels, including ultrahigh-strength steels, rely on the presence of many metallurgical phases (ferrite, martensite, bainite, and austenite) in varying amounts and distributions for different...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... motor casings, 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
...; parenthetical values indicate approximate amounts of austenite. Source: Ref 24 Fig. 12 The H 2 S-pH tolerance of low-carbon martensitic stainless steel tested by the slow strain-rate technique. HAC, hydrogen-assisted cracking. Source: Ref 25 Ultrahigh-strength, >1400 MPa (200 ksi...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
... + Ti) ≤ 1.0 (a) Single values are maximum values unless otherwise stated. (b) Typical value Nominal chemical compositions of Group III ultrahigh-purity ferritic stainless steel Table 4 Nominal chemical compositions of Group III ultrahigh-purity ferritic stainless steel UNS...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130541
EISBN: 978-1-62708-284-6
... 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 chromium molybdenum alloy steel 44...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
..., such as ultrahigh-strength steel in distilled water ( Fig. 25 ), are characterized by high growth rates that depend on ΔK to a reduced power. Time-dependent corrosion fatigue crack growth occurs mainly above the threshold stress intensity for static load cracking and is modeled through linear superposition of SCC...