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Duplex stainless steel

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Image
Published: 01 December 2019
Fig. 2 Duplex stainless steel microstructure. ( a ) Transverse section. ( b ) Longitudinal section More
Image
Published: 30 August 2021
Fig. 49 Duplex stainless steel 2205 weld showing stress-corrosion crack on the inside diameter of the vessel More
Image
Published: 30 August 2021
Fig. 50 Duplex stainless steel 2205 stress-corrosion cracks in the heat-affected zone of the vessel More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
...Chemical composition of duplex stainless steel Table 1 Chemical composition of duplex stainless steel C Si Mn P S Cr Ni N Mo V Cu W Co Fe 0.02 0.52 1.85 0.02 0.001 23.00 5.7 0.19 3.28 0.07 0.13 0.02 0.02 bal Chemical composition of austenitic stainless...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001689
EISBN: 978-1-62708-233-4
... Abstract The drive shaft on a centrifugal pump fractured after five months of operation. The fracture occurred at a packing gland inside a sleeve against which the packing material sealed. The shaft and sleeve were of duplex stainless steel. In contrast to a previous conclusion that heating had...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001048
EISBN: 978-1-62708-214-3
... microscopy examination. The tests revealed that the tubes conformed to specification. Crack morphology indicated stress-corrosion cracking by chlorides present in the cooling water. Use of a duplex stainless steel (for example, UNS S32304 S31803) as a tube material was recommended. Chemical processing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0091622
EISBN: 978-1-62708-230-3
.... If redesign was impossible, an alloy more resistant to Cl-SCC, such as a duplex stainless steel or a high-molybdenum (4 to 6%) austenitic stainless steel, should be used. Chlorides Digesters Paper machines CF-8M UNS J92900 Stress-corrosion cracking A CF-8M (cast type 316) neck liner or manway...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0047447
EISBN: 978-1-62708-230-3
... be susceptible to SCC. Redesign to lower stresses was essential. In addition, change to a high-strength duplex stainless steel with its higher strength and greater resistance to chlorides was recommended. Finally, the part must be adequately risered to produce solid shanks free from shrinkage. Gating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c9001568
EISBN: 978-1-62708-230-3
... material for the rolls. This duplex stainless steel had exhibited 1 superior corrosion-fatigue resistance and low residual stress in laboratory tests. Limited service experience thus far seems to confirm these findings. Reference Reference 1. Dahl C.B. and Ranger C.W. , “Stainless...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001047
EISBN: 978-1-62708-214-3
... the wall the tube core. Metallography Microstructural Analysis Microstructural analysis confirmed that the tube sheet was fabricated from E-Brite (ferritic stainless steel) that was explosively bonded to Ferralium (duplex stainless steel). The microstructures of both alloys and of the weld...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0048808
EISBN: 978-1-62708-228-0
... of dilution of weld metal. (a) Micrograph of specimen through weld area etched in acid cupric chloride showing ASTM A515 carbon steel (top), interface region (center), and duplex weld structure containing fine cracks (bottom). 100×. (b) Micrograph of an area of the specimen in (a) showing cracks...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001773
EISBN: 978-1-62708-241-9
... Steel and Heat Resisting Chromium-Nickel Steel Plate , Sheet and Strip, ASTM A-167 2. Davison R.M. , Deverell H.E. , Redmond J.D. : Ferritic and duplex stainless steels . In: Process Industries Corrosion . National Association of Corrosion Engineers , Houston ( 1986 ) 3...
Image
Published: 01 June 2019
region (center), and duplex weld structure containing fine cracks (bottom). 100×. (b) Micrograph of an area of the specimen in (a) showing cracks and precipitates. 250×. Source: Ref 1 More
Image
Published: 30 August 2021
region (center), and duplex weld structure containing fine cracks (bottom). Original magnification: 100×. (b) Micrograph of an area of the specimen in (a) showing cracks and precipitates. Original magnification: 250×. Source: Ref 12 More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001336
EISBN: 978-1-62708-215-0
... Microstructural Analysis Figure 1 shows a typical unetched transverse, metallographic cross section of a used old stock pipe, revealing extremely small, round duplex inclusions. The corresponding etched view ( Fig. 2 ) illustrates a fully austenitic matrix, except in the weld zone, which contained...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... the conditions of Code Case 2215. 13 Section VIII does not require PWHT for alloy 439 tubing manufactured to SA/A-268, grade XM8, UNS S43035. Section VIII also permits the use of P-No.10H duplex stainless steels, such as 22Cr-5Ni alloy 2205, UNS S31803. Numerous HRSG economizers have seen satisfactory service...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... steel chemical analysis copper alloys crack initiation crack propagation duplex stainless steel ferritic stainless steel fracture surface characteristics low alloy steel macroscopic examination magnesium alloys maraging steel martensitic stainless steel metallographic analysis metalworking...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... and residential plumbing systems, SCC can occur in brass plumbing components that are used in a hard temper condition or that have residual stresses from final finishing, such as rolled threads. Stainless steel clamps used in residential cross-linked polyethylene (PEX) plumbing systems exhibit SCC when moisture...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001824
EISBN: 978-1-62708-241-9
... a certain limit after which it should not be used. For example many CRA, such as austenitic stainless steels, duplex stainless steel, and Ni base alloys (i.e., Incoloy 825 and Inconel 625), are used in an environment containing CO 2 and H 2 S. However, most of these alloys cannot be used in the presence...
Book Chapter

Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001412
EISBN: 978-1-62708-229-7
... stainless steel of the type commonly used for turbine blades. A number of non-metallic inclusions were present which had been drawn into threads in rolling; these appeared to consist largely of duplex silicates. The failure of blade 28 was the result of the development of a creeping crack. Magnetic crack...