EN 10088-1 Stainless Steel -Part 1 : List of Stainless Steel (not for ordering)

Part 1 is a new idea, a reference list of 83 stainless steel, giving chemical composition, various physical properties, including density and a general description of the various classes of stainless steel. It is not intended for the direct placing of orders. The intention is that the steel required in the various steel product standard and application standards shall be selected from this list, as far as possible. They should not be defined slightly differently unintentionally, nor without a technical reason for different chemistry. Eventually the list in part 1 will be expanded to include corrosion resistant, hot oxidation resistant and creep resistant stainless steel, for general and pressure vessel use, with a cross-reference matrix showing which steel are in which standards, including the main application standards. At the moment there are frequent additions to this information.

EN 10088-2 Stainless Steel Part 2: Technical Delivery conditions for sheet/plate and strip for general purposes

This part of EN 10088 gives the properties and other delivery conditions for flat products for general purposes, i.e. not for pressure vessels nor for aerospace or other specialised applications, such as springs, It is used for ordering purposes. It contains 68 steels, more than BS1449-2 which it largely replaces.



It is based on a steel naming and numbering system, developed from the German Werkstoff system, which was the most suitable system available at the time the first EN standards were created.

Steel grades are classed as 'standard' or 'special' depending on how widely available they are, and how wide is their scope of application. 'Special' grades are likely to be more difficult to obtain, although the technical requirements are not different in kind between the two classes. There should be at least one grade listed, suitable for each general application. Mechanical properties are significantly more demanding than in BS 1449:2 but quite attainable in practice, with generally higher strength values, demonstrating the very useful properties of stainless steel.

Proof stress values at elevated temperature are included and properties in the work hardened condition.

Tables identifying composition,yield strength and tensile strength at room temperature are provided on webpage EN-0088 Steel

This is the corresponding standard for long products, but unlike BS970:1 which is replaces it does not cover forgings. Forgings are being covered in a separate standard being developed.