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

Machinery 19 post s. 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.

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.

The Second Edition was released infollowed by the most current release of the document in June of Phone please use format: Be the first to submit a comment. In the edition, the material properties are no longer in a separate annex, but are instead moved to the assessment part where they are mostly referenced.

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

These rules typically result in one component with a thickness that is dependent upon another component. However, if the pit depth exceeds the corrosion allowance, then a pitting assessment should be considered. Piping 29 post s. He has been a member of the Canadian Standards Association Committee on Weld Inspector and Weld Inspection Organization Certification for more than 30 years and has served as vice chairman of this committee.


Reliability Improvement 29 post s. Fitness for Service 9 post s. Did a unit upset result in internal pitting on the bottom head of the reactor?

This standard has been used to avoid costly and unnecessary unplanned outages, while maintaining safe and reliable equipment.

He has a Ph. Les mer om abonnement. Sign up for eNewsletter. Some of the limitations are:.

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

For example, material data needed for creep assessments – Part 10 — are now found in Annex 10B. Due Diligence 6 post s. Level 1 pitting assessments are permitted only if certain conditions are satisfied.

Forside Nettbutikk Produktkatalogen Produktpresentasjon. 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. Heavy Lift 14 post s. Ali that for a Level 1 zpi, the future pitting damage FCA is assumed to be zero, e. The procedures are not intended to provide a definitive guideline for every possible situation that may be encountered.

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

Responsibilities of owner-user, inspector, engineer General Assessment Method Data requirements: 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 zpi and piping flexibility analysis.

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. Materials Degradation and Corrosion 16 5779-1 s.

Assessment techniques are included to evaluate flaws including: Subscribe to our blog Unsubscribe from our blog. These are components that do not have a design equation that specifically relate pressure or liquid fill height, and other loads, to a required wall thickness.


It may be used on nozzles with or without a reinforcing pad. Available Positions Apply On-line. These components have a code design procedure to determine an acceptable configuration. Fordelene med et abonnement: Since it was first issued by API 579-this Fitness-For-Service standard has been used worldwide as a means of evaluating whether pressure equipment was fit for continued service, and in xpi cases, for how long.

The purpose of the document is to provide a consensus of methods to quantitatively evaluate commonly observed damage to in-service pressure equipment. NOK 10 ,00 eks. This approach provides an entry point into the ASME or API codes refer also to Annex A wherein the pressure-containing component is reconciled or generally made equivalent to the design bases assumed for this Standard.

Bruce Ball is a professional engineer with over 35 years consulting experience in failure analysis and inspection of plant facilities and mechanical equipment. Safety 10 post s. Several of the assessment methodologies are no longer shown in full, e.

This course has already completed.

Litigation Support 3 post s. However, flexibility is provided to the user in the form of an advanced assessment level to handle uncommon situations that may require a more detailed analysis. Substantive Changes to the Edition. Becht Software 4 post s. T E training casti.

In addition, both qualitative and quantitative guidance for establishing remaining life and in-service margins for continued operation of equipment are provided in regards to future operating conditions and environmental compatibility.