If you are an engineer, welding supervisor, or quality control manager, you cannot guess when it comes to rebar welding. A failed weld in a concrete beam leads to catastrophic structural collapse. Here is why you need the EN ISO 17660-1 PDF:

The cost of a legitimate copy (approx. $120-$250) is less than 0.001% of the cost of a single structural failure. Visit the official ISO, BSI, or DIN store today, purchase the PDF, and keep it in your quality management system for every project.