Searching for a typically leads to unofficial or copyright-infringing sites, as this is a protected technical standard. However, you can find the essential content and professional alternatives through legitimate channels. What is DIN 50602?
Instead of chasing the raw standard PDF, consider that many metallurgy textbooks and online guides provide summaries of DIN 50602, including the essential K-method procedure and typical K-total thresholds. For example: Din 50602 Pdf Free Download