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ultrahigh-strength steels

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Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001027
EISBN: 978-1-62708-161-0
... Abstract Structural steels with very high strength levels are often referred to as ultrahigh-strength steels. This article describes the commercial structural steels capable of a minimum yield strength of 1380 MPa (200 ksi). The ultrahigh-strength class of constructional steels includes several...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003101
EISBN: 978-1-62708-199-3
... Abstract Ultrahigh-strength steels are designed to be used in structural applications where very high loads are applied and often high strength-to-weight ratios are required. This article discusses the composition, mechanical properties, processing, product forms, and applications of commercial...
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Published: 01 December 1998
Fig. 4 Comparison of properties for ultrahigh-strength steels. (a) Fracture toughness data. (b) Charpy V-notch data. (c) Threshold stress intensity, K Iscc , for stress-corrosion cracking data. (d) Ductility data More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003091
EISBN: 978-1-62708-199-3
... Abstract This article presents a detailed account on the process flow, composition, alternative sources, and the advancement of ironmaking, steelmaking and secondary steelmaking practices. Some steels, such as bearing steels, heat-resistant steels, ultrahigh strength missile and aircraft steels...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003196
EISBN: 978-1-62708-199-3
... Abstract This article describes the heat treating (stress relieving, normalizing, annealing, quenching, tempering, martempering, austempering, and age hardening) of different types of steels, including ultrahigh-strength steels, maraging steels, and powder metallurgy steels. Tabulating...
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Published: 01 December 1998
Fig. 2 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: 01 January 1990
Fig. 4 Plane-strain fracture toughness of maraging steels compared with fracture toughness of several ultrahigh strength steels as a function of tensile strength. Source: Ref 2 More
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Published: 01 December 1998
Fig. 3 Yield strength and fracture toughness (shaded bars) data for ultrahigh-strength steel More
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Published: 31 December 2017
Fig. 24 Coefficient of friction as a function of time for tool steel sliding against Al-Si coated ultrahigh-strength steel at temperatures of (a) 700 °C (1290 °F) and (b) 900 °C (1650 °F). Source: Ref 151 More
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Published: 01 January 1993
Fig. 27 Effect of preheating on the hardness of 15 mm (0.6 in.) thick D-6ac low-alloy ultrahigh-strength steel More
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Published: 01 January 1993
Fig. 24 Hardness profile of high-vacuum EBW and GTAW butt joints used to join 1.57 mm (0.062 in.) thick medium-carbon ultrahigh-strength steel More
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Published: 01 January 1993
Fig. 26 Plot of penetration versus welding speed as a function of shielding gases and working distances for nonvacuum EBW of 4340 medium-carbon ultrahigh-strength steel. Beam power was 6.4 kW. More
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Published: 01 January 1996
Fig. 50 Predicted variation of threshold stress Δσ th at R = 0 with crack size a. Based on data for 300M ultrahigh-strength steel tempered at temperatures from 100 to 650 °C (212 to 1200 °F) to produce a variety of tensile strengths. Source: Ref 57 Curve Tempering temperature More
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Published: 01 December 2004
Fig. 25 Color etching (10% aqueous Na 2 S 2 O 5 ) revealed the lath martensite packet size of AF 1410 ultrahigh-strength steel that was heat treated (austenitized at 900 °C, or 1650 °F, water quenched, and tempered at 675 °C, or 1250 °F). Polarized light illumination. 100×. (G.F. Vander Voort) More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001433
EISBN: 978-1-62708-173-3
... (HTLA) steels, ultrahigh-strength low-alloy steels, and low-alloy tool and die steels. It concludes with a discussion on repair practices for tools and dies. arc welding die steel high-strength low-alloy steel low-alloy steel pressure vessels shielding gases structural steel...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005960
EISBN: 978-1-62708-168-9
.... From this work, AF 1410 evolved as an ultrahigh-strength steel with particularly high fracture toughness. AF 1410 is typically manufactured via vacuum induction melting (VIM) followed by vacuum arc remelting (VAR) to achieve the required low levels of impurities. For improved or finer grain size...
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Published: 01 January 2006
Fig. 50 Tensile strength versus elongation to failure of heat treated fine-grain ultrahigh-carbon (UHC) steels compared to low-carbon steel, high-strength low-alloy (HSLA) steels, and dual-phase steels More
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005953
EISBN: 978-1-62708-168-9
...-alloy steels and several D tool steels. However, a few grades of air-hardening steels are structural steels. Because they contain sufficient alloying elements, air-hardening structural steels have deep hardenability and usually possess very high strength. Several different families of ultrahigh-strength...
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Published: 01 January 1996
strength ranging from 300 to 2100 MPa (45 to 3054 ksi). Temperature 23 °C (75 °F), frequency 0.1 Hz, load ratio 0.1. Source: Ref 1 , 2 . (b) Effect of stress-intensity amplitude and loading frequency on corrosion fatigue crack growth in an ultrahigh-strength 4340 steel exposed to distilled water More
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Published: 01 January 1996
Fig. 44 Effect of strength level on fatigue crack growth rates. Variations of fatigue crack propagation in moist air at R = 0.05 with Δ K for ultrahigh-strength 300-M martensitic steel, quenched and tempered at temperatures from 100–650 °C (212–1200 °F) to produce tensile strengths from More