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What are the correct standards for stainless steel?

The most common current European standards for stainless steel are:

Standard Number Title Relevant Technical Information
EN 10088-1 List of stainless steels
EN 10088-2 Technical delivery conditions for sheet/plate and strip for corrosion resisting steels for general purposes Chemical Composition

Properties of Ferritic Steels

Properties of Martensitic Steels

Properties of Austenitic Steels

Properties of Duplex Steels

Properties of PH Steels
EN 10088-3 Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products for corrosion resisting steels for general purposes All Products

Chemical Composition

Standard Products

Properties of Ferritic Steels

Properties of Martensitic Steels

Properties of Austenitic Steels

Properties of Duplex Steels

Properties of PH Steels

Bright Bars

Properties of Ferritic Steels

Properties of Martensitic Steels

Properties of Austenitic Steels

Properties of Duplex Steels

Properties of PH Steels
EN 10095 Heat resisting steels and nickel alloys Chemical Composition

Ambient Temperature Properties
EN 10028-7 Flat products made of steels for pressure purposes – Stainless steels Elevated Temperature Properties
EN 10296-2 Welded circular steel tubes for mechanical and general engineering purposes – Technical delivery conditions – Stainless steel Chemical Composition

Mechanical Properties

Tolerances
EN 10297-2 Seamless circular steel tubes for mechanical and general engineering purposes – Technical delivery conditions – Stainless steel Chemical Composition

Mechanical Properties

Tolerances
EN 10216-5 Seamless steel tubes for pressure purposes – Technical delivery conditions – Stainless steel tubes  Chemical Composition
EN 10217-7 Welded steel tubes for pressure purposes – Technical delivery conditions – Stainless steel tubes  Chemical Composition

Mechanical Properties

These standards have replaced the old national standards and users are encouraged to use them. However, it is clear that the old standards are still used, not least because many existing drawings and company specifications refer to them. Therefore, it is still possible to come across standards such as:

BS 1449 and BS1501 for flat products

BS 970 for long products

The US standards such as ASTM and ASME are very important and will never be replaced. Common standards are:

Standard Number Title Relevant Technical Information
ASTM A240 Chromium and chromium-nickel stainless steel plate, sheet and strip for pressure vessels Chemical Composition Austenitic Steels

Chemical Composition Ferritic Steels

Chemical Composition  Martensitic Steels

Chemical Composition  Duplex Steels

Chemical Composition  PH Steels
ASTM A276 Standard Specification for Stainless Steel Bars and Shapes Chemical Composition Austenitic Steels

Chemical Composition Ferritic Steels

Chemical Composition  Martensitic Steels

Chemical Composition  Duplex Steels

Chemical Composition  PH Steels
ASTM A312 Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipes Chemical Composition Austenitic Steels

Chemical Composition Ferritic Steels

Chemical Composition  Martensitic Steels

Chemical Composition  Duplex Steels

Chemical Composition  PH Steels

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