As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steels. Proof Stress, 5Min MPa. Values listed above are for 1. Unique combination of corrosion resistance, resistance to stress corrosion cracking , high tensile and yield strength.
Pressure vessel approvals. Outokumpu duplex grades 1.
It finds applications due to both excellent corrosion. The use of duplex stainless steels, especially 1. Due to the duplex structure of the steel (austenitic-ferritic) and high contents of chrome and molybdenium it has very high resistance to pitting . The duplex stainless steel combines high mechanical resistance and corrosion resistance. Duplex stainless steel or 1. Chemical composition (cast analysis) (1)(7) of stainless steel flat products. Austenitic-ferritic stainless steel - equivalent, chemical composition, properties.
Wrought austenitic and austenitic-ferritic ( duplex ) stainless steels without specific inspection requirements.
It is the most widely used duplex stainless steel grade and is characterized by high yield strength , double that of the standard austenitic stainless steel grades. It also demonstrates good . Its most important properties are excellent corrosion resistance and high strength. Applications include chemical processing, oil and gas exploration, marine and other high chloride environments, and paper digestors. View the product specifications and applications online here.
These steels contain more than Cr, 4- Ni and 5- Mo. Their dual austenitic and ferritic grain structure ( hence the term duplex ) means that they have the good mechanical properties of austenitic stainless steels but with a superior resistance to stress corrosion and pitting. Ex-stock round bars and plate in duplex , F5 F6 1. Only Western Europe origin material. The present datasheet is intended to give a survey of the characteristics of this material.
In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company . Mechanical properties are around double that of a . Minimum Mechanical Properties at Room Temperature. This is also known as DIN 1.
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