What Is Slag in Welding? Why It Forms and What It Does
Slag is the hardened flux layer over a weld that shields it while cooling. Learn why slag forms, what it does, how it differs from spatter, and why to remove it.
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Slag is the hardened flux layer over a weld that shields it while cooling. Learn why slag forms, what it does, how it differs from spatter, and why to remove it.
Porosity is gas trapped in a weld as it solidifies, leaving holes that weaken it. Learn what causes porosity in welding and how to prevent it.
Spot welding fuses sheet metal with pressure and current, forming a weld nugget. Learn how resistance spot welding works and why cars are full of it.
Weld penetration is how deep a weld fuses into the joint. Learn full vs partial penetration, what causes lack of penetration, and how to test it.
Undercut is an unfilled groove at the weld toe that thins the joint and starts cracks. Learn what causes weld undercut, how to prevent it, and how much is acceptable.
Welding cart top shelves tilt back so you can see and reach the controls on a low machine, with easier cable bends and less sliding as bonuses.
The boot that arrived looking perfect on screen had a fake ASTM sticker and a sole that delaminates in month two. It happens. Online welding boot shopping has a...
Welders drink milk after welding galvanized steel out of myth, not science. Milk cant stop metal fume fever. Heres what actually protects you.
Welds crack when stress beats the metal. Learn hot cracking, cold (hydrogen) cracking, and crater cracks, what causes each, and how to prevent them.