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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Project 2 post s. Safety 10 post s.

Litigation Support 3 post s. Several of the assessment methodologies are no longer shown in full, e.

In this third installment, we will take a look at general metal loss GML in nozzles. This course has already completed.


Comments No comments made yet. 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.

Did a recent external inspection on an exchanger reveal pitting corrosion under the insulation? In a Level 1 assessment, surface damage, quantified by the pitted area and pit depth, is compared a;i standard pit charts to determine acceptability.

Note that for a Level 1 assessment, the future pitting damage FCA is assumed to aip zero, e. Subscribe to our blog Unsubscribe from our blog. If you answered yes to these questions, or if pitting corrosion due to other factors is occurring in your 5791- an API FFS pitting assessment may provide an alternative to costly repairs. The procedures are not intended to provide a definitive guideline for every possible situation that may be encountered.


Did a unit upset result in internal pitting on the bottom head of the reactor? Read more about the software HERE. 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.

Magnus Gustafsson has over 10 years experience in the design and analysis of mechanical components and systems in the Petrochemical and Railway industries. Thursday, 30 March Ali standard has been used to avoid costly and unnecessary unplanned outages, while maintaining safe and reliable equipment. Becht Nuclear 36 post s. Subscribe to this blog post Unsubscribe.

For example, material data needed for creep assessments – Part 10 — are now found in Annex 10B. GML Level 2 assessments are permitted ai if certain conditions are satisfied. Below is a summary of the assessment process. 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.


T E training casti. General Interest 4 post s. Becht Software 4 post s. Below are some guidelines for performing a Level 2 assessment for apii reinforced nozzle connection in a shell such as that shown below. Materials Degradation and Corrosion 16 post s. Pressure Vessels 18 post s. Hence, general equivalence is established and the user may then directly apply the acceptance limits of the Fitness-For-Service procedures contained in this Standard.

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

Becht Engineering has extensive experience and expertise in the conduct of Fitness-For-Service. 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.

Sign up for eNewsletter. Substantive Changes to the Edition. However, the user is cautioned to also consider the apu of fabrication and inspection requirements on the design basis e.