Category API Standards

Preventing High-Temperature Hydrogen Attack in Refinery and Petrochemical Process Equipment Introduction to API TR 941-2008 API Technical Report 941-2008 (API TR 941-2008) serves as a critical reference for engineers and materials specialists working in petroleum refineries and petrochemical plants where…

Scope, Technical Requirements, Fabrication Guidelines, and Compliance Notes for Refinery Applications of Duplex Stainless Steels Introduction API Technical Report 938-C-2015 (API TR 938-C-2015) is a widely referenced publication by the American Petroleum Institute that addresses the use of duplex stainless…

A Comprehensive Technical Overview of Material Selection, Fabrication Practices, and Inspection Requirements for Preventing SCC in Ethanol Environments Introduction and Scope API Technical Report 939-D, formally titled Stress Corrosion Cracking of Carbon Steel in Fuel Ethanol Service, is a critical…

A comprehensive technical analysis of materials, fabrication, and compliance for 2¼Cr-1Mo and 3Cr-1Mo steel hydroprocessing reactors. The refining industry’s ongoing shift toward processing heavier, sourer crude oils places immense demands on hydroprocessing units. Reactors operating at hydrogen partial pressures exceeding…

Understanding the Technical Requirements and Compliance Framework for 9% Ni and 3.5% Ni Steels Under Hydrogen Attack Conditions Scope of API TR 938-B-2008 API TR 938-B-2008, titled “Use of 9% Ni Steel, 3.5% Ni Steel, and Other Alloyed Steels in…

A comprehensive technical overview of material damage mechanisms, inspection strategies, and compliance frameworks for heavy oil and synthetic crude processing equipment in hydrogen service. Introduction and Scope of API TR 934-B-2011 API TR 934-B-2011, formally titled Effect of Hydrogen in…

A Technical Guide to Planning Structural Integrity Programs for FPSOs and Marine Vessels 1. Scope and Purpose of API TR 755-1-2010 API TR 755-1-2010, issued by the American Petroleum Institute, is a critical Technical Report that provides comprehensive guidance for…

A Technical Report on the Combined Fire and Blast Loading Assessment for Process Plant Buildings Introduction API TR 756-1-2014 is a technical report published by the American Petroleum Institute (API) that provides comprehensive guidance for evaluating the performance of blast-resistant…

A Foundational Technical Report for Sour Service Material Selection in Wellhead and Christmas Tree Equipment Scope and Purpose of API TR 6AM-1995 API TR 6AM-1995, titled Materials for Use in H₂S-Containing Environments in Oil and Gas Production, is a pivotal…

Scope and Application of API TR 6F2-1999 API TR 6F2-1999, titled Technical Report on the Effect of Temperature on Pressure Ratings of Flanges, is a key guidance document issued by the American Petroleum Institute (API). It establishes a consistent methodology…