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AISI 304 (austenitic stainless steel)

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Published: 01 August 2013
Fig. 22 Nitrided austenitic stainless steel AISI 304 (570 °C, or 1060 °F; 58 h). Nital etched. Original magnification: 500× More
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Published: 01 January 2002
Fig. 5 Light micrographs of a partially broken and a completely broken specimen of sensitized (649 °C, or 1200 °F, for 4 h) AISI 304 austenitic stainless steel, and a SEM fractograph of the broken Charpy V-notch specimen More
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Published: 15 January 2021
Fig. 23 Light micrographs of a partially broken and a completely broken specimen of sensitized (649 °C, or 1200 °F, for 4 h) AISI 304 austenitic stainless steel, and a scanning electron microscope (SEM) fractograph of the broken Charpy V-notch specimen More
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Published: 31 December 2017
stainless steel borided at 950 °C for 8 h, (j) 41 µm (0.0016 in.) thick boride layer on AISI 304 austenitic stainless steel borided at 950 °C for 8 h. Courtesy of Bluewater Thermal Solutions More
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Published: 01 January 1993
Fig. 15 Diagram of σ-phase precipitation in solution annealed and quenched stainless steels and in weld metal (as-welded state). B, beginning of precipitation; H, half-way through precipitation; E, end of precipitation. (a) Pure σ phase. (b) Austenitic 19Cr-8Ni steel (AISI 304). (c) Austenitic More
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
... (UNS S44003; PREN = 17) martensitic and AISI 304 (UNS S30400; PREN = 18.5) austenitic stainless steel. Source: Ref 22 This observation on the potential dependence can be understood based on the microstructural evolution that takes place during tribocorrosion. A passive film, despite its...
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Published: 01 December 1998
Fig. 22 Examples of two-phase stainless steels with various microstructural combinations. (a) AISI 440C, annealed. Structure: ferrite and carbides. Vilella's reagent; 500×. (b) 17-4 PH, solution annealed and aged. Structure: martensite and delta ferrite (white). Fry's reagent; 500×. (c More
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Published: 31 December 2017
Fig. 5 Contributions of corrosion, wear, and their synergetic interactions to total volume loss of AISI 440B (UNS S44003; PREN = 17) martensitic and AISI 304 (UNS S30400; PREN = 18.5) austenitic stainless steel. Source: Ref 22 More
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005959
EISBN: 978-1-62708-168-9
... contents at relatively low temperatures. This work inspired Holcomb to carburize austenitic stainless steel AISI 304 in liquid sodium with different carbon contents at temperatures of 470, 565, and 605 °C (880, 1050, and 1120 °F) ( Ref 3 ). Several publications then appeared addressing the dissolution...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003117
EISBN: 978-1-62708-199-3
... environments; temperature and the presence of oxygen tend to aggravate chloride SCC of stainless steels. Most ferritic and duplex stainless steels are either immune or highly resistant to SCC. All austenitic grades, especially AISI types 304 and 316, are susceptible to some degree. The highly alloyed...
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Published: 01 October 2014
Fig. 13 Reflected-light micrographs of nitrocarburized and carburized and subsequently nitrided stainless steel showing two istinct zones of carbon- and nitrogen-expanded austenite (ex situ nickel activation). (a) AISI 304 nitrocarburized in a gas atmosphere of 14% C 3 H 6 -54% NH 3 -22% H 2 More
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
.... (b) Typical, LSC and Ultra are tradenames. Within the broad range provided in AISI specifications, the nickel content of the L version of a wrought stainless steel is typically kept approximately 2% higher than that of its standard-grade counterpart, in order to compensate for the loss...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003812
EISBN: 978-1-62708-183-2
..., the availability of the necessary product forms, and cost. Identification Systems for Stainless Steels Grades of stainless steel are most commonly designated in one or more of the following ways: the American Iron and Steel Institute (AISI) numbering system, the Unified Numbering System (UNS...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006420
EISBN: 978-1-62708-192-4
..., (h) 38 µm (0.0015 in.) thick boride layer on AISI 410 martensitic stainless steel borided at 950 °C for 4 h, (i) 48 µm (0.0019 in.) thick boride layer on AISI 440 martensitic stainless steel borided at 950 °C for 8 h, (j) 41 µm (0.0016 in.) thick boride layer on AISI 304 austenitic stainless steel...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001046
EISBN: 978-1-62708-161-0
... played a role because Eastern-bloc nations were also prime sources of the element. This led to the development of a series of alloys (AISI 200 type) in which manganese and nitrogen are partially substituted for nickel. These stainless steels are still produced today. New refining techniques were...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003246
EISBN: 978-1-62708-199-3
... by light microscopy). The AISI type 304 austenitic weld metal contains delta ferrite, which prevents hot cracking. The 17-4 PH (precipitation-hardening) stainless steel contains delta ferrite stringers in a low-carbon martensitic matrix. The duplex stainless steel (as cast and annealed) contains austenite...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002404
EISBN: 978-1-62708-193-1
... at elevated temperatures. In addition, AISI type 300-series stainless steels are the most widely used structural alloys for cryogenic applications, because they exhibit high strength, ductility, and fracture toughness properties as well as low thermal expansion and low magnetic permeability. Extensive...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002403
EISBN: 978-1-62708-193-1
... effects for Type 422 (AISI 616) are given in Fig. 8 ( Ref 6 ). Fig. 7 Factors affecting fatigue properties of stainless steels. Source: Metals Handbook , 8th ed., Vol 1 Fig. 8 Stress range diagrams for AISI 616 (type 422) martensitic stainless steel. (a) Unnotched; (b) notched...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003115
EISBN: 978-1-62708-199-3
... established by most of the major industrial nations. Of the two institutional numbering systems used in the U.S., AISI is the older and more widely used. Most of the grades have a three-digit designation; the 200 and 300 series are generally austenitic stainless steels, whereas the 400 series are either...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... fracture in a specimen of AISI type 301 stainless steel that was highly stressed, breaking in 2000 cycles. Crack growth was very irregular, with many pronounced offsets. At center, twin boundaries have affected crack propagation. Area in rectangle is shown at higher magnification in Fig. 612 . SEM, 200...