Articles & Podcast Episodes

ISO 13918 and ISO 14555:2017 define arc stud welding standards. This process uses ceramic ferrules on metallic materials to handle static and fatigue loading. It ensures a strong bond between studs and base metals. Key guidelines cover the welding process, current specification, strength, and bond quality to ensure reliability. Additionally, these standards emphasize the importance … Read more

Arc stud welding has several limitations. It can be slow for large projects due to the number of welds needed. Rapid cooling impacts ferrite content and hardness in the weld. Effective surface cleaning is essential. Electric power requirements range from 110VAC for capacitor discharge welders to 230-460VAC for arc stud welders. Common problems associated with … Read more

Inspecting weld quality in arc stud welding is difficult. It’s hard to find defects without risking damage to the base material. The process cools quickly, which can hide problems. These limitations can weaken structural integrity and reliability. Therefore, thorough inspections are crucial to ensure the weld’s effectiveness and safety. Another challenge lies in the skill … Read more

Arc stud welding defects happen due to positioning issues, such as incorrect stud placement. Poor weld quality can result from insufficient melting and incomplete fusion, which often stem from reduced weld time. Additionally, dips in the metal from center punch marks can cause the ignition tip to sit lower, further compromising the weld’s integrity. Additionally, … Read more

DC TIG welding provides excellent arc stability for vertical and overhead applications. It allows for precise heat control, resulting in a smoother arc and reduced spatter. This makes DC TIG welding the top choice for professionals looking for effective and reliable results in difficult welding positions. Ultimately, the choice between AC and DC depends on … Read more

The term “arc” in “arc welding” does not stand for an acronym. Instead, it defines a welding process that fuses metals using a controlled electric arc. This arc reaches high temperatures. Arc welding is essential for creating strong metal joints and is commonly used in construction and manufacturing. There are several arc welding methods, including … Read more

To strike an arc in stick welding, gently drag the stick electrode across the workpiece’s surface, like striking a match. Once the arc lights, position the electrode slightly above the workpiece to prevent sticking. Correct electrode positioning is key for effective welding and helps maintain a stable arc throughout the process. Proper body positioning is … Read more

An arc strike is a welding defect that happens when an electric arc touches the base material without proper fusion. This occurs due to failed arc ignition. Arc strikes can cause cracking and weaken the weld’s strength. Knowing about arc strikes helps in preventing them and improving welding practices. Mistakes that often lead to arc … Read more

An arc strike in welding is a defect formed by an electric arc that melts the base metal. It creates discontinuities, such as localized remelted metal and changes in the surface profile. This process involves intense heating followed by rapid cooling, which can negatively impact weld quality. To repair an arc strike, the welder should … Read more

Arc stud welding provides strong, high-speed welds with ferrous and some non-ferrous metals. However, it has downsides. It encounters challenges with aluminum and brass due to their thermal properties and reactivity. These metals often require specialized electrodes or gas mixtures for effective welding. However, arc stud welding has its disadvantages. It requires skilled operatives to … Read more