ISO 1811-1:1988

The methods are applicable to the given materials in the form of cast unwrought products (refinery shapes) such as cakes, billets, wire bars and ingots. The methods are intended to determine compliance with the requirements for chemical composition. Together with ISO 1811-2 and 1811-3 this first part of ISO 1811 cancels and replaces ISO Recommendation R 1811:1971, of which it constitutes a technical revision.