WPS – WELDING ANSWERS

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This post provides answers to frequently asked questions regarding the "280 Prequalified Welding Procedures for Stainless Steel" product. It addresses common inquiries from customers about the digital format, permissible uses for CWIs, distinctions between qualified and prequalified procedures, and the rationale behind the product's affordability. Additionally, it clarifies compliance with AWS D1.6, modification flexibility, and how included guides facilitate proper use and customization of these welding procedures.

We're thrilled to announce the release of our new collection: 280 Prequalified Welding Procedure Specifications for Stainless Steel. Developed in accordance with AWS D1.6/D1.6M, this comprehensive package is designed to bring consistency and compliance to welding operations. It includes procedures for GMAW, FCAW-G, GTAW, and SMAW, covering 14 common weld joint configurations and widely used 304, 304L, 316, and 316L stainless steel base metals. This resource is perfect for business owners, fabricators, CWIs, and schools seeking to enhance quality and productivity.

The unique properties of 300 series stainless steels, including their corrosion resistance and ductility, stem from key alloying elements like chromium, nickel, and molybdenum, which create their austenitic microstructure. However, this metallurgy also presents welding challenges such as carbide precipitation (sensitization), distortion, and residual stresses. Welding professionals must understand these factors to control heat input, select appropriate filler metals, and employ proper techniques to ensure weld quality and maintain the material's desirable characteristics. Prioritizing low carbon grades and careful heat management are crucial for successful welding of these alloys.

Thinking about using prequalified welding procedures to save time and money? This post uncovers the eight most common mistakes fabricators make when developing and using AWS D1.1 prequalified welding procedure specifications—and how to avoid them. You’ll learn about code restrictions, filler metal requirements, joint tolerances, and other critical factors that ensure code compliance and weld quality. If you're serious about preventing costly rework and audit issues, this is a must-read.

Rework in welding is a massive productivity killer—tripling labor, wasting material, and slowing down production. While there are many causes, three simple fixes can drastically reduce rework: stop overwelding, use properly qualified welding procedures, and maintain your equipment. In this post, we dive into how these small changes yield big results—lowering costs, improving quality, and increasing efficiency across the shop. If you're tired of grinding out the same welds twice, this is the post for you.

The AWS D1.1 Structural Welding Code for Steel allows fabricators to use prequalified welding procedures (WPSs), saving significant time and money by exempting them from testing. This post outlines an 8-step guide to writing a prequalified WPS, covering selecting approved base metals, weld joints, welding processes, filler metals, shielding gases, and determining preheat, interpass, and post-weld heat treatment. It emphasizes that anyone who understands the code can create these essential documents for quality and productivity.

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