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420 (martensitic stainless steel)

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Published: 01 December 2004
Fig. 18 Grain-boundary carbide networks in type 420 martensitic stainless steel (Fe-0.35%C-0.4%Mn-13%Cr) with two different etchants. (a) Vilella's reagent. (b) Beraha's sulfamic acid tint etch. Heat treatment: 1038 °C (1900 °F). Air quench: 177 °C (350 °F) temper. 500× More
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Published: 01 December 2004
Fig. 38 Microstructure at the surface of a decarburized, hardened specimen of type 420 martensitic stainless steel (Fe-0.35%C-13%Cr) tint etched with Beraha's sulfamic acid reagent (No. 4) and viewed with polarized light plus sensitive tint. Note the free ferrite (arrows) at the surface More
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Published: 01 October 2014
Fig. 11 Effect of austenitizing and tempering temperatures on typical mechanical properties of type 420 martensitic stainless steel. Austenitized 30 min; oil quenched to 65 to 95 °C (150 to 200 °F); double stress relieved at 175 °C (350 °F) for 15 min and water quenched; tempered 2 h More
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Published: 01 October 2014
Fig. 14 Effect of austenitizing and tempering temperatures on typical mechanical properties of type 420 martensitic stainless steel. Austenitized 30 min; oil quenched to 65 to 95 °C (150 to 200 °F); double stress relieved at 175 °C (350 °F) for 15 min and water quenched; tempered 2 h More
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005985
EISBN: 978-1-62708-168-9
... stainless steels at various austenitizing temperatures Table 4 Dew points of selected wrought martensitic stainless steels at various austenitizing temperatures Alloy Austenitizing temperature Dew point °C °F °C °F 420 1010 1850 10–12 50–54 403, 410, 414, 416, 431 980 1795...
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Published: 01 October 2014
Fig. 18 Effect of austenitizing and tempering temperatures on impact toughness of martensitic stainless steels (a) type 410 (b) type 414 (c) of type 416 (d) type 420 (e) type 420 (f) type 431 (g) type 440C. After austenitizing as indicated, steels were oil quenched to 65 to 95 °C (150 to 200 More
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Published: 01 December 2004
Fig. 44 Examples of the appearance of martensite in quenched and tempered martensitic stainless steels. (a) 403 etched with 4% picral plus HCl. (b) 410 etched with Vilella's reagent. (c) 420 etched with Ralph's reagent. (d) Powder metallurgy 422 etched with Ralph's reagent. (e) EF-AOD/ESR 422 More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001408
EISBN: 978-1-62708-173-3
... steels Table 7 Filler metals for use in arc welding of selected martensitic stainless steels Type of steel Electrode or welding rod (a) 403 410, 410NiMo, 309 410 410, 308, 309 414 410NiMo, 410, 309 416 312 420 420, 308, 309 431 410, 310 440A 312...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005886
EISBN: 978-1-62708-167-2
... not adversely affect the base materials. In one example tungsten carbide material was induction brazed to 420 martensitic stainless steel ( Ref 11 ). The occurrence of soft spots in the stainless steel was observed and investigated. During the original induction brazing process, the temperature of the 420...
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Published: 01 January 2005
Fig. 14 Martensitic stainless steel pitchforks were rusting before they left the storeroom; paint was blistering, and the product was unappealing. The cause was due to incorrect surface preparation compounded by poor storage conditions. The forks were hot forged and quenched to obtain More
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Published: 01 December 2004
Fig. 47 Examples of annealed martensitic stainless steel microstructures. (a) 403 etched with 4% picral plus HCl. (b) Bushing-quality 416 etched with Vilella's reagent. (c) 420 etched with Ralph's reagent. (d) Trimrite etched with Vilella's reagent. (e) 440C etched with modified Fry's reagent More
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005976
EISBN: 978-1-62708-168-9
... of various grades of mold and corrosion-resistant tool steels, including type P20, type P20Mod, AISI type 420, and AISI type 440B. annealing austenitizing carburizing corrosion resistance corrosion-resistant tool steel heat treatment martensitic stainless steel mold steel nitriding normalizing...
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
... casings. Table 1 lists several typical air-hardening structural steels with ultrahigh strength. Moreover, many proprietary grades of standard and nonstandard martensitic stainless steel, especially those with higher carbon (such as types 420, 431, and 440), have very high hardenability, to the extent...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006067
EISBN: 978-1-62708-175-7
... Abstract Stainless steels are primarily alloys of iron and chromium. They are grouped into five families, primarily based on their microstructure: ferritic, austenitic, martensitic, duplex, and precipitation hardening. Three out of the five families of stainless steels, namely, austenitic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003116
EISBN: 978-1-62708-199-3
... likely to be needed. The higher-carbon martensitic types such as 440A, 440B, and 440C have only limited cold formability. The higher strength of duplex stainless steels relative to their austenitic counterparts necessitates greater loads in cold-forming operations. Because elongation is less, they should...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006372
EISBN: 978-1-62708-192-4
... stainless steel erosion ferritic stainless steel martensitic stainless steel erosion-corrosion cavitation erosion erosion-oxidation dry erosion galling wear stainless steels surface fatigue tribocorrosion tribological testing wear wear resistance STAINLESS STEELS contain more than 10.5...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003115
EISBN: 978-1-62708-199-3
... properties of five major stainless steel families, of which four are based on the crystallographic structure of the alloys, including martensitic, ferritic, austenitic, or duplex. The fifth is precipitation-hardenable alloys, based on the type of heat treatment used. The article further discusses the factors...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003767
EISBN: 978-1-62708-177-1
... examination microstructures stainless steel metallography stainless steel microstructures STAINLESS STEELS are complex alloys containing a minimum of 11% Cr plus other elements to produce ferritic, martensitic, austenitic, duplex, or precipitation-hardenable grades. Procedures used to prepare...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006566
EISBN: 978-1-62708-290-7
... martensitic stainless steel bal … 0.07 max … 15–17.5 3–5 1.0 max … … 0.15–0.45 3–5 1.0 max 0.04 max 15-5 PH Precipitation-hardening martensitic stainless steel bal … 0.07 max … 14–15.5 2.5–4.5 1.0 max … … 0.15–0.45 3.5–5.5 1.0 max 0.04 max 420 Martensitic stainless steel bal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003090
EISBN: 978-1-62708-199-3
... 607 88 462 67 26 64 96 HRB Martensitic stainless steels (b) 403 Annealed bar 515 75 275 40 35 70 82 HRB Tempered bar 765 111 585 85 23 67 97 HRB 410 Oil quenched from 980 °C (1800 °F); tempered at 540 °C (1000 °F); 16 mm (0.625 in.) bar 1085 158 1005 146 13...