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Risk-Based Inspection Methodology

Available format(s)

PDF

Language(s)

English

Published date

01-31-2025

Publisher

American Petroleum Institute

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US$1,030.00

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Summarise this standard

AI-generated summary

This recommended practice, API 581, provides semiquantitative analysis procedures to establish an inspection program using risk-based methods for pressurized fixed equipment including pressure vessel, piping, tankage, pressure-relief devices (PRDs), and heat exchanger tube bundles.

DocumentType	Standard
Pages	692
PublisherName	American Petroleum Institute
Status	Current
Supersedes	API RP 581:2016+ADD 2:2020 API 581 : 2016/ADD 2 : 2020 API RP 581 : 2016/ADD1 : 2019

Frequently Asked Questions

No — API 581 is a United States standard published by American Petroleum Institute (API), with its listed region as United States.

API 581 is American Petroleum Institute (API)'s standard for risk-based inspection, while API 571 covers process equipment damage and inspection practices (United States). API 581 provides principles or quantitative methods for planning inspection based on equipment failure risk. API 571 provides guidance on damage mechanisms, piping inspection or welding inspection relevant to refinery and process equipment.

API 581 is used by asset owners and integrity teams prioritising inspection of process equipment. It is a United States standard published by American Petroleum Institute (API).

API 581 provides principles or quantitative methods for planning inspection based on equipment failure risk. It is a United States standard published by American Petroleum Institute (API).

API 581 provides principles or quantitative methods for planning inspection based on equipment failure risk. In practice it is applied by asset owners and integrity teams prioritising inspection of process equipment.

US$1,030.00

Excluding Tax where applicable

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API RP 581:2025

Risk-Based Inspection Methodology

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Is API 581 an Australian standard?

What is the difference between API 581 and API 571?

Who uses API 581?

What does API 581 cover?

What is API 581 used for?