EN 10204 is the definitive European standard for inspection documents provided to purchasers of metallic products like steel plates, pipes, and valves
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Some suppliers will send a Type 2.2 PDF (no inspector signature) and call it a "certificate." For hot-rolled critical applications, this fails audits. Insist on 3.1. en 10204 pdf hot
In metallurgy, a heat number (or cast number) is the DNA of the metal. When a steel mill melts iron ore, scrap, and alloys in an electric arc furnace or basic oxygen furnace, that single batch is a "heat." EN 10204 is the definitive European standard for