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AISI 308 (austenitic stainless steel)

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Published: 01 January 1993
Fig. 5 Three-dimensional views of typical austenitic stainless steel weld morphologies; solidification direction, vertical. In each photograph, ferrite is darker phase. (a) Cellular primary austenite solidification structure with intercellular eutectic ferrite in AISI 310. (b) Skeletal ferrite More
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 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...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001410
EISBN: 978-1-62708-173-3
... common types of austenitic stainless steels are the UNS S20000 and S30000 alloys (AISI 200 and 300 series). Within these two grades, the alloying additions, which are chosen to provide the desired properties at reasonable cost, can be considerably different. Furthermore, alloying additions and specific...
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 Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001039
EISBN: 978-1-62708-161-0
..., aluminum nitride was found to reduce deformability and increase the resistance to the deformation of austenite. These trends were enhanced as the aluminum nitride particle size decreased ( Ref 50 ). Other hot ductility tests on low-carbon steels also showed a large decrease in hot ductility because...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005977
EISBN: 978-1-62708-168-9
... steels are shown in Table 1 . Compositions of some stainless steel alloys Table 1 Compositions of some stainless steel alloys Family AISI Element C Mn Si Cr Ni Others Austenitic 304 0.08 2.0 1.0 18.0–20.0 8.0–10.5 … 316 0.08 2.0 1.0 16.0–18.0 10.0–14.0 2.0–3.0...
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: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001434
EISBN: 978-1-62708-173-3
...% of the tests for the alloy 308, 309, 316, and 317 families. Fig. 2 DeLong constitution diagram for stainless steel weld metal. The Schaeffler austenite-martensite boundary is included for reference. In the DeLong diagram, the Ferrite Numbers for alloy 308, 308L, and 347 covered electrodes...
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
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005934
EISBN: 978-1-62708-166-5
... ) ] where P P is the predicted property, P max is the maximum property for the alloy, exp is the base of the natural logarithm, K 1 = ln (0.995) = −0.00501, and Q is the quench factor. Fig. 2 Correlation of quench factor and centerline dness for round AISI 5140 steel bars. In this case...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005990
EISBN: 978-1-62708-168-9
..., such as AISI types 304N, 316N, and 317LN and the high nitrogen/high-Manganese grades such as AISI types 201, 202, and the Nitronic ® , series of alloys, S20400, S20910, S21800, and S24000. Highly alloyed austenitic grades. Compositions of standard non-standard wrought austenitic stainless steels...
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
... deformation. The high-hardness martensitic grades that contain substantial undissolved chromium carbide are difficult to polish while fully retaining the carbides. The most difficult to such grades to prepare is AISI 440C. For the most part, preparation of stainless steels is reasonably simple if the basic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
...), and alloy 214. obtainablein deepdrawingof austenitic heat-resistant alloys can be formed by techniques These typically contain 15, 20, and 33% 3", re- stainlesssteel similar to those employed for the forming of spectively. Many precipitation-hardened alloys AISI 300-series stainless steels, although...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003813
EISBN: 978-1-62708-183-2
... Heat Resistant Alloys,” ACI progress report, Project A-80, Alloy Casting Institute 6. Devine T.M. , Mechanism of Intergranular Corrosion and Pitting Corrosion of Austenitic and Duplex 308 Stainless Steel , J. Electrochem. Soc. , Vol 126 ( No. 3 ), 1979 , p 374 10.1149/1.2129046...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001409
EISBN: 978-1-62708-173-3
... STAINLESS STEELS comprise approximately one-half of the SAE-AISI-type 400-series stainless steels. These steels contain from 10.5 to 30% Cr along with other alloying elements, notably molybdenum. Ferritic stainless steels are noted for their excellent stress-corrosion cracking (SCC) resistance and good...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001048
EISBN: 978-1-62708-161-0
... Boiler tubing requires a combination of high-temperature strength, good formability, and weldability. Various types of high-chromium heat-resistant ferritic steels for boiler tubes are listed in Table 4 , along with two austenitic stainless steels (AISI 304 and 347) for comparison. In addition, the HT-9...
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 Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004202
EISBN: 978-1-62708-184-9
..., a 150 grit finish (3A finish from 3A Dairy Standard ( Ref 27 ) and No. 4 finish from AISI classification) is adequate for most food and brewery services. Table 3 lists various finishes classified by the AISI (American Iron and Steel Institute). Surface finishes on stainless steel sheet Table 3...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005808
EISBN: 978-1-62708-165-8
... carbon steel (AISI 316L) Hardness improvement Ref 68 BS 970 080M40 steel (Cr + Ni) Increased surface hardness Ref 69 SAE 1045 (Cu + Al) Mechanical and electrical properties modification Ref 70 A36 mild steel (Fe + Al) Superior hardness Ref 71 IF steel (Co-Cr-W-Ni-Si + SiC p...