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oil hardening cold-work tool steels

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900181
EISBN: 978-1-62708-358-4
... Abstract The oil-hardening cold-work tool steels, designated as group O steels in the AISI classification system, derive their high hardness and wear resistance from high carbon and modest alloy contents. This chapter describes the microstructures and hardenability of oil-hardening tool steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440191
EISBN: 978-1-62708-262-4
... include water-hardening; shock-resisting; oil-hardening cold-work; air-hardening, medium-alloy cold-work; high-carbon, high-chromium cold-work; low-alloy, special-purpose; mold; hot-work; and high-speed tool steels. air-hardening tool steel annealing austenitizing high-carbon tool steel high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900007
EISBN: 978-1-62708-358-4
... Identifying symbol Water-hardening tool steels W Shock-resisting tool steels S Oil-hardening cold-work tool steels O Air-hardening, medium-alloy cold-work tool steels A High-carbon, high-chromium cold-work tool steels D Mold steels P Hot-work tool steels, chromium, tungsten...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... the following way: Cold-worked tool steels Unalloyed and low-alloyed (water- and oil-hardening, shock-resistant) cold-worked tool steels: W-, S-, O-, L-, as well as 6F-type Medium- and high-alloy (air-hardening, high-carbon, and high-chromium) cold-worked tool steels: A-, D- (including powder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900203
EISBN: 978-1-62708-358-4
... Abstract The high-carbon, high-chromium tool steels, designated as group D steels in the AISI classification system, are the most highly alloyed cold-work steels. This chapter describes the microstructures and hardenability of high-carbon, high-chromium tool steels and discusses the processes...
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
... … … S7 T41907 0.50 … … 3.25 … … 1.40 … … Oil-hardening cold work tool steels O1 T31501 0.90 1.00 … 0.50 … 0.50 … … … O2 T31502 0.90 1.60 … … … … … … O6 (b) T31506 1.45 0.80 1.00 … … … 0.25 … … O7 T31507 1.20 … … 0.75 … 1.75 … … … Air...
Image
Published: 01 January 1998
Fig. 10-7 Effect of tempering temperature on the hardness of oil-hardening cold-work die steels. Curves 1 and 2, Teledyne VASCO; curve 3, Columbia Tool Steel Co. Curve Type Composition, % Hardening temperature Hardening medium C Mn W Cr Mo V °C °F 1 O1 0.95 1.20 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240411
EISBN: 978-1-62708-251-8
... Abstract There is a fairly wide variety of different tool steels for different applications. The American Iron and Steel Institute (AISI) classification of tool steels includes seven major categories: water-hardening tool steels, shock-resisting tool steels, cold work tool steels, hot work tool...
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
.... Oil-Hardening Cold-Work Steels Oil-hardening cold-work steels (group O) have high carbon contents, plus enough other alloying elements that small-to-moderate sections can attain full hardness when quenched in oil from the austenitizing temperature. Group O tool steels vary in type of alloy...
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
... requires greater sophistication in tooling and lubricants, and it requires more powerful forming equipment. The higher initial strength is also accompanied by a higher work hardening rate in austenitic stainless steels, which further distinguishes them from carbon steel. Galling also must be recognized...
Image
Published: 01 January 1998
Fig. 10-4 Effect of austenitizing temperature on as-quenched hardness of oil-hardening cold-work die steels. Curves 1 to 4, Allegheny Ludlum Industries; curve 5, Columbia Tool Steel Co. Curve Type Composition, % Quenching medium Specimen size C Mn W Cr Mo V 1 O1 0.90 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130311
EISBN: 978-1-62708-284-6
... associated with high alloy content, high hardenability. Typical chemical compositions of cold work tool steels Table 2 Typical chemical compositions of cold work tool steels AISI DIN UNS Composition, wt% C Si Mn Cr Mo W V Fe Others D2 1.2379 T30402 1.50 0.3 0.3 12.0 1.0...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900193
EISBN: 978-1-62708-358-4
... Abstract The air-hardening cold-work tool steels, designated as group A steels in the AISI classification system, achieve their processing and performance characteristics with combinations of high carbon and moderately high alloy content. This chapter describes the microstructural features...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140157
EISBN: 978-1-62708-264-8
... properties of tool steels Type AISI Wear resistance Toughness Hot hardness Carbon (water hardening) W1 4 7 (shallow hardened) 1 (1095) 4 3 (through hardened) 1 Low alloy L6 3 6 2 Shock resisting S2 2 8 2 Die steels for cold working O2 4 3 3 A2 6 5 5 D2...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900219
EISBN: 978-1-62708-358-4
... to other means of surface preparation, others have found that milling and heavy shot peening, perhaps because of the hardening introduced by cold work, increase resistance to thermal fatigue ( Ref 24 ). Surface modification treatments that increase the surface hardness of tool steels offer another...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900291
EISBN: 978-1-62708-358-4
... polishability and are manufactured from shock-resisting steels (SI and S4), oil-hardening steels (O1 and O2), or cold-work steels (including A2, A6, D2, and D4). Water-hardening tool steels will generally not harden deeply enough to provide the high compressive strengths required for hubbing. Table 15-1...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... steel is H13. The metallurgy of tool steels ranges from hardly any alloy in the L series to as much as 30% alloy in one of the high-speed M series steels. The discriminating factors are: Hardenability Carbide morphology Recommended working hardness Users have to make decisions based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060273
EISBN: 978-1-62708-261-7
...: air-hardening steels, also called group A; high-carbon, high-chromium steels, also called group D; and oil-hardening steels, also called group O. Composition limits for cold work steels are listed in Table 11.2 . Other Nonmachining Wrought Tool Steel Grades In addition to the hot and cold work...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130541
EISBN: 978-1-62708-284-6
... or low-alloy nickel 11 6.3 Low-alloy special purpose tool steel 7.1–16 3.9–8.7 Pure Dysprosium (Dy) 9.3–13 5.2–7.2 Nickel molybdenum alloy steel 11–12 6.1–6.6 Pure Palladium (Pd) 11 6.3 Pure Thorium (Th) 11 6.4 Wrought iron 10–13 5.7–7.0 Oil-hardening cold work tool...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900165
EISBN: 978-1-62708-358-4
... permits S1 steels to be used for hot-working operations. The alloying, except for the lower carbon content of the S1 steel, is similar to the oil-hardening O7 cold-work tool steel. Compared to the other S-type steels, S1 has slightly better impact toughness and wear resistance, primarily because of its...