EN 10020 is the bedrock of European metallurgy. While it may appear to be a dry technical document, its influence extends across the entire manufacturing supply chain. By providing a rigorous definition of steel and a logical classification system, it eliminates ambiguity, facilitates international trade, and ensures safety in engineering. Whether accessed as a physical handbook or a digital "EN 10020 PDF," the standard remains an essential resource for anyone involved in the specification, processing, or application of steel. It transforms a chaotic array of metallic alloys into a structured, understandable, and manageable material science.
Stainless steels are defined as alloy steels containing at least and with a maximum carbon content of 1.2% . This high chromium content forms a passive oxide layer on the surface that provides excellent corrosion resistance. en 10020 pdf
"The supplied material shall be classified as per EN 10020, Clause 4.2.2. Compliance with this classification shall be verified by the inspection certificate type 3.1 per EN 10204." EN 10020 is the bedrock of European metallurgy
: Steels that do not meet the definition of stainless steel but have at least one alloying element exceeding the limit for non-alloy steel. Main Quality Classes Whether accessed as a physical handbook or a
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These steels are reliable, strong, and build the skeletons of the world, but they are viewed as simple. The Alloy Steels
If a steel grade exceeds the chemical thresholds specified for non-alloy steels but does not meet the exact definition of stainless steel, it is classified as an "Other Alloy Steel." This category includes tool steels, high-strength low-alloy (HSLA) steels, and engineering steels alloyed with molybdenum, vanadium, or boron to enhance mechanical properties like hardness and tensile strength. 2. Classification by Main Quality Classes