Duplex stainless steels have a ferritic-austenitic microstructure, in roughly equal proportions 50% ferrite and 50% austenite. Duplex combines many of the attractive properties of ferritic and austenitic stainless steels into one.
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Different variants for Duplex
Duplex stainless steels are designed to provide better corrosion resistance, in particular to stress corrosion and pitting corrosion. The microstructure leads to higher strength than standard austenitic stainless steels such as Type 304 or 316. Duplex stainless steels have become more and more popular in recent years. There are several variants available, such as Duplex 2205, Superduplex 2507 or lean duplex with lower nickel content.
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United Performance Metals, suppliers of stainless steel, duplex stainless steel, nickel, cobalt, aluminium and titanium has recently installed a 12â? wide slitter capable of processing coils ranging in thickness from .
Acerinox Europe placed an order with SMS group early in 2016, for the installation of a 20-high cold rolling mill for high-quality stainless steel grades.
United Performance Metals, suppliers of stainless steel, duplex stainless steel, nickel, cobalt, aluminium and titanium, has recently declared that Ben Stansel has joined the company as Business Analyst.
Ugitech, a SCHMOLZ + BICKENBACH Group company, will be exhibiting its complete range of stainless steels tailored to its customers' requirements: with 35 stainless austenitic, ferritic, martensitic, and duplex grades in the UGIMA® product range on the occasion of the 2016 wire trade fair.
Tiaano has recently designed the Thermowells and Sensor safety pockets which meets the standards established by BSI, DIN, ASME, ISO 9001 and other authorities.
Sandvik will demonstrate the versatility and controlled hardness of the Sandvik tube at the Tube 2016, in order to set a standard of its own for easy bending and leak free connections of the company’s hydraulic and instrumentation tubing.
The Midlands Assembly Network (MAN), a group of sub-contract manufacturers, has welcomed KimberMills International to its ranks in a bid to open up new opportunities in the petrochemical and rail sectors.
The American Petroleum Institute (API) has certified SXP, Mississippi, USA as the first company worldwide in accordance to API 5CRA, license number API 5CRA-0001. Schulz Xtruded Products was established in 2011, since when it has been focusing on catering hot extruded and cold finished high corrosion resistant pipe for the oil and gas industry.
Corrosion Resistance: Duplex stainless steel has excellent corrosion resistance due to its high chromium and molybdenum content. It is particularly resistant to stress corrosion cracking and pitting, which makes it suitable for use in harsh environments.
Strength: Duplex stainless steel is much stronger than conventional austenitic stainless steels, which allows for thinner and lighter constructions without sacrificing durability.
Toughness: Duplex stainless steel has a high toughness, which means it is resistant to brittle fracture and impact. This property makes it suitable for use in cryogenic applications.
Cost-effectiveness: Although duplex stainless steel is more expensive than conventional austenitic stainless steels, its superior properties can lead to cost savings in the long run by reducing maintenance and downtime.
Versatility: Duplex stainless steel can be used in a wide range of applications, including chemical processing, oil and gas, marine, and pulp and paper industries. It is also used in construction and architecture due to its aesthetic appeal.
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