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fitness-for-service assessment

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001477
EISBN: 978-1-62708-173-3
... Abstract Fitness-for-service assessment procedures can be used to assess the integrity, or remaining life, of components in service. Depending on the operating environment and the nature of the applied loading, a structure can fail by a number of different modes: brittle fracture, ductile...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
...-for-service assessment methodologies for calculating allowable or critical flaw sizes are also discussed. carbon steel fitness-for-service assessment low-alloy steel nondestructive examinations weld cracks welding JOINING is a key process of manufacturing of complex components and assemblies...
Image
Published: 30 August 2021
Fig. 9 Details of an equipment and structural damage map. (a) Map showing damage to equipment and structures from a combination of blast, fire, and heat damage. (b) The categories have more to do with the API 579 fitness-for-service assessment than quantified overpressure or temperature More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006823
EISBN: 978-1-62708-329-4
... Abstract This article illustrates the use of the American Petroleum Institute (API) 579-1/ASME FFS-1 fitness-for-service (FFS) code (2020) to assess the serviceability and remaining life of a corroded flare knockout drum from an oil refinery, two fractionator columns affected by corrosion under...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... of the structural design process, the failure analysis process, the failure investigator's role, and how failure analysis of structural components integrates into the determination of remaining life, fitness-for-service, and other life assessment concerns. The topics discussed include industry perspectives...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... information on fatigue life assessment, elevated-temperature life assessment, and fitness-for-service life assessment. elevated-temperature life assessment fabrication failure analysis fatigue life assessment fitness-for-service life assessment material defects nondestructive inspection stress...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006804
EISBN: 978-1-62708-329-4
... could be used in the future. Fig. 9 Details of an equipment and structural damage map. (a) Map showing damage to equipment and structures from a combination of blast, fire, and heat damage. (b) The categories have more to do with the API 579 fitness-for-service assessment than quantified...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006809
EISBN: 978-1-62708-329-4
... pressure vessels, piping, and storage tanks. The level 1 and level 2 assessment methods are almost identical to the ASME VIII-1 design philosophy. The level 3 method (which references part 9 of API 579) includes a detailed fracture mechanics evaluation. API 579 Part 3, Level 1 Fitness-for-Service...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004215
EISBN: 978-1-62708-184-9
... to ensure their continued integrity and fitness for future service. To this end, it is important that a review is carried out on all plant items to assess those that pose the greatest risk. This process of risk assessment will identify the hazards associated with each item, the likelihood of failure...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002384
EISBN: 978-1-62708-193-1
... fracture mechanics tests (CTOD, J -curves, and R -curves). The major advantage of using fracture mechanics specimens is that the data from these tests can be used directly in fracture mechanics fitness-for-service procedures to assess the tolerance of the structure to the presence of defects and cracks...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... predictions shall be employed for design scenarios, and API 579 ( Ref 16 ) directs users to use the −2σ design curve for fitness-for-service (FFS) applications. API 579 removes some conservatism associated with the −3σ design curve by permitting the use of the −2σ curve for FFS assessments. The logic behind...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... electron beam welds electroslag welds fatigue fitness-for-service assessment flash welds friction welding high-frequency induction welds inclusions joint design laser beam welds mechanical testing porosity upset butt welds weld discontinuity weldment failure weldment integrity WELDMENT...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002402
EISBN: 978-1-62708-193-1
.... As part of the development of a fitness-for-service assessment methodology, for example, the Materials Properties Council has collected fracture toughness data for carbon and Cr-Mo steels. These data have been compared to lower-bound curves more or less comparable to the ASME Section III, Appendix G curve...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... Abstract This article provides some new developments in elevated-temperature and life assessments. It is aimed at providing an overview of the damage mechanisms of concern, with a focus on creep, and the methodologies for design and in-service assessment of components operating at elevated...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003289
EISBN: 978-1-62708-176-4
... Abstract This article discusses the methods for assessing creep-rupture properties, particularly, nonclassical creep behavior. The determination of creep-rupture behavior under the conditions of intended service requires extrapolation and/or interpolation of raw data. The article describes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
... on the service requirements of a particular welded structure, as well as on the properties of the material involved. (See the article “Fitness-for-Service Assessment of Welded Structures” in this Section for more information.) Neither construction materials nor engineered structures are free from...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003260
EISBN: 978-1-62708-176-4
... Abstract The purpose of accreditation is to evaluate and assure high-quality results from suppliers of products or services without incurring the costs associated with auditing each supplier. This article describes laboratory accreditation based on the general requirements of International...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... an undesirable interruption to mechanical, metallurgical, or physical properties of a material; the terms, used informally, do not necessarily indicate that a component is not fit for service. However, in technical use, the term defect refers to an imperfection that negatively affects serviceability or would...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
..., thus avoiding major capital expenditure for the utilities ( Ref 9 ). A number of land-based turbines currently in operation have been in service in excess of 50,000 h. Thus, there is a growing need in the industry to assess the remaining life of aging components. Operating practices vary widely...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... to elevated temperatures. The most direct method of creep assessment involves metallographic examination of sections cut from components. For components still in operation, this method necessarily renders the component unfit for service. Thus, methods of assessing the condition of a component through...