Basics

Proper Heat Input and Penetration In the world of welding, the term “heat input” might sound like just another technical metric—but in reality, it plays a crucial role in determining the success of a weld. Alongside it, weld penetration is the quiet partner that ensures a weld is not just …

The Complete Guide to the ASME B31.3 (Process Piping) Process piping systems are the lifelines of chemical plants, oil refineries, gas processing facilities, and pharmaceutical factories. Ensuring the safe design, fabrication, and inspection of these systems is paramount, and that’s where ASME B31.3 steps in. This guide takes you through …

Different Types of Welding Beads What Is a Welding Bead? A welding bead is the line or deposit of metal that forms as a result of fusing two pieces of base metal during welding. It appears as a raised, visible track along the joint, and its shape, consistency, and structure …

P Number, F Number, and A Number in Welding (ASME Section IX) In pressure vessel and piping fabrication, ASME Section IX stands as a cornerstone for regulating welding qualifications. Among the most essential classifications within this code are the P Number, F Number, and A Number. These numerical designations simplify …

Is FCAW Stronger Than MIG? Introduction to Welding Strength Comparisons Welders often debate whether Flux-Cored Arc Welding (FCAW) is stronger than Gas Metal Arc Welding (GMAW), commonly known as MIG welding. The answer is not as straightforward as a yes or no. It depends on various factors like the materials …

Flux-Cored Arc Welding: Self-Shielded vs Gas-Shielded Welding is at the core of modern metal fabrication, making it possible to construct bridges, ships, skyscrapers, and pipelines. Among the numerous welding methods available today, Flux-Cored Arc Welding (FCAW) has carved a niche for itself, especially in heavy industrial sectors. This semi-automatic or …

Designing Welded Joints: Types, Symbols, and Best Practices Welding is the backbone of modern metal fabrication, enabling the creation of strong, permanent joints in everything from pipelines to skyscrapers. However, the strength and integrity of a welded assembly aren’t just determined by the welder’s skill—it begins with smart joint design. …

ASME Section IX Quiz Welcome to our ASME Section IX sample quiz — your go-to resource for brushing up on welding and brazing qualification standards. Whether you’re an industry professional aiming to deepen your expertise, a student gearing up for certification exams, or simply curious about your welding knowledge, these …

Does Electrode Choice Matter? 6010 vs 7018 When performing Shielded Metal Arc Welding (SMAW) — more commonly known as stick welding — selecting the right electrode isn’t just a matter of preference; it’s a critical factor that can make or break your weld. Among the vast variety of electrodes available, …

Weld Bead Size and Deposition Rate Welding might look like sparks and smoke to the untrained eye, but behind every strong weld lies a balance of science, skill, and control. Two key factors—weld bead size and deposition rate—play an outsized role in determining not only the appearance of a weld …