CAW Welding Explained: Carbon Arc Welding, Gouging, Polarity & Modern Uses
Carbon arc welding (CAW) was the first arc welding process. Learn how it works, its types, polarity, safety, and why carbon arc gouging still matters.
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Concavity in Welding: Causes, Code Limits, Inspection, and How to Fix a Concave Weld
Concavity weld defects explained: what causes a concave bead or root, AWS D1.1 and ISO 5817 acceptance limits, how to measure it, prevent it, and repair it.
The Most Popular Types of Welding Explained: SMAW, MIG, TIG, Flux-Core, and More
Compare the most popular types of welding—stick, MIG, TIG, flux-core, submerged arc, and resistance—with pros, cons, and how to pick the right process.
Process Piping Welding: The Complete Guide to Codes, Procedures, Techniques, and Inspection
A complete guide to process piping welding: ASME B31.3 and Section IX, WPS/PQR/WPQ, root pass technique, defects, NDT, PWHT, safety, and field tips.
Shielding Gas for Flux Core Welding: The Complete Guide to CO2, Argon Blends, Flow Rates & Selection
Everything about shielding gas for flux core welding: 100% CO2 vs 75/25 argon blends, how to match gas to your wire, flow rates, safety and troubleshooting.
Welding Tube Steel: The Complete Guide to HSS, Pipe and Structural Tubing
Learn how to weld tube steel and HSS the right way: materials, joint design, processes, parameters, code qualifications, inspection, and safety.
Clear Welding Explained: Transparent Plastic Laser Welding and Clean Weld Joints
Clear welding explained: how clear-to-clear laser welding joins transparent plastics, plus clean metal welds and welding helmet clarity ratings.
Railroad Welding: The Complete Guide to Thermite, Flash Butt, and Track Repair
Railroad welding explained: thermite, flash butt, and arc processes, AWS D15.2 and FRA rules, safety, defects, careers, and tips for joining and repairing rail.
Welding Dots: The Complete Guide to Spot, Tack, and Pulse Dot Welds
Welding dots explained: spot, tack, and laser dot welds plus TIG techniques. Learn setup, defects, safety, and when dots beat a continuous bead.
Do You Need Gas for Stick Welding? The Complete Truth About SMAW Shielding
Stick welding needs no shielding gas—the electrode’s flux does the job. Here’s how SMAW self-shields, plus electrode tips, comparisons, and safety.