API 579-1 PDF

An Overview of API /ASME FFS Fitness-For-Service Assessment. Standard with Applications to Case. Studies. By. Mohammad M. Megahed. Professor. API /ASME FFS-1 is a standard released by API which describes FFS assessment techniques for pressure equipment used in the oil & gas industries. Introduction. API / ASME FFS-1, Fitness-For-Service, (), is an American National Standard developed and published by the.

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Be the first to submit a comment. Becht Engineering has extensive experience and expertise in the conduct of Fitness-For-Service.

NOK 10 ,00 eks. Several of the assessment methodologies are no longer shown in full, e. Pressure Vessels 18 post s. Did a recent external inspection on an exchanger reveal pitting corrosion apj the insulation?

Please click on the link below to sign up for our eNewsletter if you would like to be notified about future offerings of this course. If you answered yes to these questions, or if pitting corrosion due to other factors is occurring in your plant, an API FFS pitting aoi may provide an alternative to costly repairs. The purpose of the document is to provide a consensus of methods to quantitatively evaluate commonly observed damage to in-service pressure equipment.

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Materials Degradation and Corrosion 16 post s. Subscribe to this blog post Unsubscribe. Other examples of Type B Components include the reinforcement zone of conical transitions, branch connections, and flanges.

Pitting is defined by API as localized regions of metal loss characterized by a pit diameter on the order of the plate thickness or less. Forside Nettbutikk Produktkatalogen Produktpresentasjon. These rules typically result in one component with a thickness that is dependent upon another component. The role of the inspector in gathering data and evaluating that data will be discussed as will be the role of the technologist and engineer in appraising the data and employing it in engineering calculations.


This course has already completed. His experience includes Fitness-for-service assessments and design support of pressurized equipment including elastic-plastic Finite Element Analysis, transient heat transfer analysis, creep, high-and low cycle fatigue, fracture mechanics, fluid surge and piping flexibility analysis. Becht Nuclear 36 post s. Did a unit upset result in internal pitting on the bottom head of the reactor? General Interest 4 post s.

This standard has been used to avoid costly and unnecessary unplanned outages, while maintaining safe and reliable equipment. What is required Who is responsible How is data obtained and organized Remaining strength factor Need for in-service monitoring inspection frequency Remaining Life Determination Brittle Fracture Resistance: Subscribe to this blog post Please fill in your email address to subscribe to updates from this post. The procedures are not intended to provide a definitive guideline for every possible situation that may be encountered.

These components have a code design procedure to determine an acceptable configuration. A limited discussion will be presented on advanced methods of assessment. Available Positions Apply On-line. This Standard has broad application since the assessment procedures are based on allowable stress methods and plastic collapse loads for non-crack-like flaws, and the Failure Assessment Diagram FAD Approach for crack-like flaws.

Article 4, API 579-1: Fitness-For-Service (FFS) – Pitting Assessment

If the depth of all the pits is less than the specified corrosion allowance, then a pitting assessment is not required. However, flexibility is provided to the user in the form of an ai assessment level to handle uncommon situations that may require a more detailed analysis. In addition to the many clarifications, updated references to codes and standards, several changes and additions have been made to improve the standard in its most recent update. Litigation Support 3 post s.

GML Level 2 assessments are permitted only if certain conditions are satisfied. Another example is the previous Annex B1, which contained the procedures for demonstrating protection against various failure modes using stress analysis, which is now under Part 2 in Annex 2D.

  ISO 14579 PDF

Systems 2 post s. Substantive Changes to the Edition Fitness for Service. Below is a summary of the assessment process.

Article 3, API Fitness-For-Service (FFS) – Pitting Assessment | Carmagen Engineering

Magnus Gustafsson has over 10 years experience in the design and analysis of mechanical components and systems in the Petrochemical and Railway industries. Bruce Ball is a professional engineer with over 35 years consulting experience in failure analysis and inspection of plant facilities and mechanical equipment. Heavy Lift 14 post s. Sign up for eNewsletter.

Article 3, API 579-1: Fitness-For-Service (FFS) – Nozzle Assessment

Process Consulting 10 post s. Some of the limitations are:. Details of the process, as well as the nomenclature, can be found in API Part 6.

The complete list of limitations in Parts 2 and 6 of API should be reviewed before proceeding with a Level 1 pitting assessment.

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Read more about the software HERE. Comments No comments made yet. For example, material data needed for creep assessments – Part 10 — are now found in Annex 10B. These are components that have a design equation that specifically relate pressure or liquid fill height, and other loads, to a required wall thickness e.

Safety 10 post s. Reliability Improvement 29 post s. Level 1 apj assessments are permitted only if certain conditions are satisfied. It may be used on nozzles with or without a reinforcing pad.

The information in Annex H, along with knowledge of the differences in design codes, should enable the user to factor, scale, or adjust the acceptance limits of this Standard such that equivalent FFS inservice margins can be attained for equipment not constructed to these codes.