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What is ISO 4987 about? ISO 4987 is an international standard on steel and iron castings that discusses various tests and examinations to ensure the quality of castings. ISO 4987 specifies a method f…
Overview ISO 4987:2020 - Steel and iron castings - Liquid penetrant testing - specifies a penetrant testing method tailored to the steel and iron foundry industry. It complements the general principl…
