What does the acronym D1.1 in AWS D1.1 refer to?

The acronym D1.1 in AWS D1.1 refers to "Document 1.1," which designates this particular standard within the AWS (American Welding Society) framework. AWS D1.1 serves as the structural welding code for steel, outlining the requirements for welding procedures, qualifications, and practices. This title indicates that it is a specific document that provides industry standards and guidelines for welding. Each document under the AWS organization is identified by a number and typically covers different aspects of welding and related practices, making it easily identifiable in the broader context of welding standards.