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Barriers to the use of duplex stainless steel

The attractive combination of high strength, extensive corrosion resistance and moderate weldability seems to provide great potential for increasing the market share of duplex stainless steel. However, it is necessary to understand the limitations before using duplex stainless steel. The ...

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A simple guide to duplex stainless steel

Duplex stainless steel is becoming more and more common. They can be produced in all major steel mills. The reasons for its general application are as follows: higher strength leads to weight saving, stronger corrosion resistance, especially stress corrosion cracking, ...

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Development history of duplex stainless steel

Early development of duplex stainless steel: Duplex stainless steel, which combines many beneficial properties of ferritic and austenitic stainless steels, was originally developed in the early 1930s. The initial duplex stainless steel provides good performance characteristics but has limitations under ...

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Duplex Stainless Steel Applications in the Oil and Gas Industry

In the past few decades, the severity of corrosion in the oil and gas industry has increased year by year. Because the offshore oil industry continues to push oil exploration deeper, it leads to higher pressure conditions and harsher environments. ...

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What matters to be noticed in the practical application of duplex stainless steel

Nowadays, duplex stainless steel is widely applied in various industrial fields, such as pulp and paper industry, oil and gas industry, chemical industry, dangerous goods transportation, pharmaceutical and food processing, and construction industry. In these industries, the duplex stainless steel ...

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Development process and application industry of duplex stainless steel

The corrosion resistance of duplex stainless steel and corrosion fatigue performance is outstanding, widely used in equipment made of refining and chemical industry, salt industry and other industries in the atmospheric vacuum distillation unit and catalytic cracking and hydrocracking, continuous ...

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Weak terms and characteristics of duplex stainless steel

The performance of duplex stainless steel is generally strong, but it also has weaknesses. Especially, the weakness of high alloy duplex stainless steel containing high amounts of chromium, molybdenum and nitrogen is obvious. One is thermal processing performance, the deformation ...

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Analysis of the characteristics of third generation duplex stainless steel

The first generation of duplex stainless steel is 3re60 in the 1960s, which has the problem of welding thermal zone. The second generation was developed in the late 1970s with ultra-low carbon and nitrogen bearing characteristics, the typical number was ...

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The development of super duplex stainless steel

The current history of duplex stainless steel has reached the third generation. The first generation represented the 3RE60 stainless steel in the mid-1960s, which posed the problem of HAZ. The second generation was developed in the 1970s , Is characterized ...

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Two types of development and application of duplex stainless steel

The advantage of duplex stainless steel is its excellent corrosion resistance, especially local corrosion resistance. In addition, its strength is equivalent to two times of austenitic stainless steel, toughness is also very good, not only for the traditional paper-making and ...

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