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How to Use Prequalified WPSs for Stainless Steel in Accordance with AWS D1.6

AWS D1.6, the Structural Welding Code for Stainless Steel, focuses on the structural integrity of welds on stainless steel alloys. It allows for cost-saving prequalified welding procedure specifications (WPSs), similar to AWS D1.1 for carbon steel. Using prequalified WPSs involves adhering to guidelines for welding process, base and filler metals, temperature, and joint type. While advantageous, users must own the code and ensure their applications align with its structural focus, as engineers are responsible for additional requirements like corrosion resistance.

How to Weld Austenitic Stainless Steels: The Basics

This introductory post highlights the unique characteristics and importance of austenitic stainless steels, specifically grades 304, 304L, 316, and 316L. It details how alloying elements like chromium and nickel contribute to their excellent corrosion resistance, ductility, and toughness. The article emphasizes the critical role of proper welding procedures in maintaining these properties, especially in preventing issues like carbide precipitation and distortion. It also previews an upcoming collection of prequalified welding procedures for these common stainless steel grades.