Common Welding Defects and How to Prevent Them
what is a defect? A defect is an imperfect and compromises the item from doing its intended purpose. Not all imperfections are defects, The International Organization for Standardization (ISO) has set the industry standards for classifying these defects, detailed in ISO 6520. According to ISO 5817 and ISO 10042, a weld can have discontinuities and still pass inspection, provided they don’t exceed certain limits . The most common welding defects are. Cracks Inclusions Lack of fusion Porosity Undercut Poor penetration Burn through with many more. How to prevent them 1. Cracks Use the correct alloy filler material for the m...