If you are auditing old equipment, the original EN 10204 3.1 or 3.2 material test reports will often contain the exact excerpted data from the DIN 17243 PDF required for compliance.
In simple terms: It defined the raw material (hot-rolled wire rod) used to make (e.g., for automotive suspension springs, valve springs, clips). din 17243 pdf
Components for steam boiler plants, pressure vessels, and pipework. If you are auditing old equipment, the original EN 10204 3
Explain that DIN 17243 is obsolete. Offer to deliver material according to EN 10089 + an equivalency certificate that maps the old grade to the new standard. Most quality managers will accept this. If you are auditing old equipment
This standard covers forged or rolled products (like bars and rings) that must maintain strength and creep resistance at elevated temperatures.