Learn Collection

Browse every Learn content type in one collection.

308 articles

#WhyWeWeld: Rosa String Works
Jerry Rosa of Rosa Stringworks brings broken instruments back to life. He has even built a sawmill without written plans. We talk with him about his most memorable projects and how he is passing his skills on to his grandchildren and viewers on YouTube.
October 15, 2026Read article
Can You Weld Painted Metal?
Welding through paint can leave a joint weaker than it looks. This article explains the effects on weld quality, the fume and fire hazards, and how much paint to remove. It covers hidden coatings behind or between parts and precautions for older or unknown paint.
October 13, 2026Read article
Laser Welding Safety: Hazards, Risks, and Safe Practices
Direct and reflected laser beams can injure eyes and skin, while welding fumes and fire create additional hazards. This laser welding safety guide covers protective gear, controlled work areas, ventilation, and safe practices to help protect you and nearby workers.
October 8, 2026Read article
How to Read a Weld Puddle: A Beginner Guide
Learn how to read a weld puddle by watching its leading edge, sides, width, and movement. This beginner guide explains what a good puddle looks like, what common changes mean, and how to adjust travel speed, angle, arc length, or stickout across four common welding processes.
October 8, 2026Read article
Comparing Metals by Weldability: From Easiest to Most Challenging
Mild steel welds readily, but tool steel may crack. Compare seven common metals and learn how composition, heat flow, cleanliness, and welding process affect weld quality. Explore methods for stainless steel, nickel, aluminum, copper, and cast iron, plus tips to reduce common defects.
October 1, 2026Read article
Can Welding Goggles Be Used as Sunglasses?
Welding goggles should not replace sunglasses, even though their dark lenses may look similar. They are built to protect against intense arc radiation, which can make ordinary outdoor vision uncomfortably dark and potentially unsafe for daily activities.
September 28, 2026Read article
Dual Pulse MIG Welding: What Is It and When to Use It?
Dual pulse MIG welding offers precise heat control and a TIG-like bead appearance on aluminum and stainless steel. Learn how it works, which settings matter, when to use it, and how it compares with traditional and single-pulse MIG for your next project.
September 23, 2026Read article
Can a Generator Run a Welder? Complete Generator Guide Welding
A generator can run a welder, but only when its output matches the machine’s electrical demands. This guide explains how to choose the right generator size, prevent unstable arcs and equipment damage, and weld safely wherever grid power is unavailable.
September 20, 2026Read article
Is 1/1/1/1 Really Better? True Color Welding Helmet Test
A true color welding helmet can help you see the weld puddle more clearly, but is 1/1/1/1 always better? Compare 1/1/1/1, 1/1/1/2, and 1/2/1/2 optical ratings. Learn what the numbers mean, how viewing angles affect clarity, and which features suit your work.
September 17, 2026Read article