Materials can be provided with a 3.1 certificate according to the NEN-EN 10204 standard. This certificate contains the material’s chemical analysis, mechanical properties and any heat treatments applied. The chemical analysis relates to the composition of the elements in the material.
The elements for which the concentrations are measured include: carbon, silicon, manganese, phosphorus, sulphur, chromium, nickel, molybdenum, copper, magnesium or cobalt.