AWS D1.1/D1.1M:2020 - An American National Standard for welded structures constructed from carbon and low-alloy constructional steels

An American National Standard: AWS D1.1/D1.1M:2020, AWS D1.1/D1.1M:2020 - An American National Standard
This code encompasses welding specifications for welded structures constructed from carbon and low-alloy constructional steels. It provides comprehensive guidelines for welding control in steel construction across eleven clauses.

An American National Standard: AWS D1.1/D1.1M:2020

Any sort of welded structure built from the commonly used carbon and low-alloy constructional steels is covered by the welding specifications in this code. A set of guidelines for the control of welding in steel construction can be found in clauses 1 through 11. This code contains eleven informational and eight normative annexes. Along with the paper comes a code commentary.

The AWS D1.1/D1.1M:2020 is an American National Standard published by the American Welding Society (AWS). It serves as the Structural Welding Code for Steel, providing comprehensive guidelines and requirements for the design, fabrication, and inspection of welded steel structures. Approved by the American National Standards Institute (ANSI) on December 9, 2019, this standard ensures that welding procedures, techniques, and quality control measures are in line with industry best practices for steel structures.

This standard covers various aspects of welding, including design considerations, welding procedures and qualifications, inspection and testing of welded joints, quality control, and more. It sets criteria for the acceptability of welded joints and emphasizes the importance of ensuring structural integrity and safety in welded steel constructions.

You can access the official PDF of AWS D1.1/D1.1M:2020 at this link: AWS-D1.1-D1.1M-2020.pdf

Furthermore, there is a course available that provides a detailed exploration of AWS D1.1 Structural Welding Code for Steel. Led by an experienced AWS instructor and AWS D1.1 committee member, this course is designed to provide a comprehensive understanding of the code's requirements and how they apply in real-world scenarios.

The standard includes specifications regarding diameter and width limitations for plug or slot welds. It mandates that the minimum diameter of a hole or the width of a slot where a plug or slot weld is to be deposited must not be less than a certain value, ensuring structural integrity.


  1. AWS-D1.1-D1.1M-2020.pdf
  2. Structural Welding Code — SteelOnline Store
  3. AWS D1.1 D1.1M 2020 - Studylib

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