What is Reverse Polarity in Welding? A Complete Guide

man doing stick welding

When you switch on the welding machine, an electric circuit is formed. It has a negative and a positive pole. Polarity plays a significant role in welding. It’s because selecting the correct polarity influences the quality, durability, and strength of the weld. If you use the incorrect polarity, it’ll cause a lot of spatter, poor […]

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How to Paint a Welding Helmet (4 Simple Tips & Tricks)

Welding Helmet

If you’re attending a welding class, then you’ll possibly see people in your class donning tailor-made welding helmets. Some may have butterflies, cranium, and funny characters painted on their helmets. Since many welding helmets are available in dark black and matte grey, you can paint your welding helmet to appear more fashionable and eye-catching. As […]

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How to Reduce Spatter When MIG Welding – A Complete Guide

welding spatters

The word ‘spatter’ is familiar to all welders, just as it is frustrating. If you’ve never found yourself glaring at tiny molten metal blobs around your weld after a harrowing welding experience, then you are yet to be introduced to the bare skeletons. Should these spatters fall on you, they will burn through to the […]

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How to Clean Aluminum for Welding – Step by Step Guide

cleaning aluminum

If you have worked with aluminum before, you probably understand its challenges when handled the wrong way. Unlike steel and other metals, aluminum needs special treatment before you start the welding process. Step-by-Step Cleaning Procedure for Aluminum for Welding Dirt and other impurities affect the quality of a weld in all metals, and aluminum is […]

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How to Repair Wrought Iron without Welding – Quick & Easy

close up wrought iron fence

Wrought iron is typically used for fences, handrails, and other home metal ornamentation. It does have durability, but if excess pressure is applied, it can break because it is made from cast metal, which is porous. The porousness of the metal can determine its overall strength. Aluminum is an example of a metal that is […]

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How to Pass a Welding Test: Easy Tips That Will Help You

MIG welding

Becoming an approved welder increases your opportunities of getting a job offer to work with a top employer. But first, you have to take and pass the welding test. Your knowledge of welding theory and command of hands-on practical expertise in your welding specialty is tested. Although there’s nothing that can replace assiduous study for […]

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What Shade Lens to Use for MIG Welding

MIG welding

Among the essential items in a welder’s protective equipment kit is a shade lens. Having the appropriate shade lens will protect a welder from radiations, spatters, and sparks produced during welding. According to the US Consumer Product Safety Commission report, over 10,000 eye injury cases are reported in the USA annually. A large number of […]

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What is Undercut in Welding (Causes & Possible Remedies)

undercut in welding

An undercut is a surface and subsurface defect resulting from grooves within the parent metal area. Like all other defects, instead of improving the joint strength, it introduces weak points that often propagate structural failure. At the microscale level, the micro-cracks are observed within the defective surface, meaning material failure is inevitable if not remedied […]

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