Study on extrusion process of UNS S32750 super duplex stainless steel seamless pipe

Study on extrusion process of UNS S32750 super duplex stainless steel seamless pipe

Duplex stainless steel is a kind of stainless steel which has both austenite and ferrite structure and two phases are independent and contain a large amount. The third generation duplex stainless steel is also called super duplex stainless steel pre (CR% + 3.3 ...

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Analysis of 14 kinds of metal materials commonly used in gaskets

Analysis of 14 kinds of metal materials commonly used in gaskets

What are the characteristics of the 14 kinds of metal materials commonly used in gaskets? We will give you an analysis one by one. If you have any related questions, you can also call the ship seal. Let’s discuss it together. ...

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Common Safety Problems and Preventive Control in Natural Gas Pipeline Construction

Common Safety Problems and Preventive Control in Natural Gas Pipeline Construction

Natural gas pipeline refers to the pipeline that transports natural gas (including associated gas produced in oil field) from the production site or treatment plant to urban gas distribution center or industrial enterprise users, also known as gas transmission pipeline. Using ...

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Welding Technology of Natural Gas Pipeline

Welding Technology of Natural Gas Pipeline

Natural gas pipeline refers to the pipeline that transports natural gas (including associated gas produced in oil field) from the production site or treatment plant to urban gas distribution center or industrial enterprise users, also known as gas transmission pipeline. Using ...

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Types and functions of gaskets

Types and functions of gaskets

There are many kinds of gaskets, which can be divided into three categories: non-metal, semi-metal and metal gaskets. (1) Non-metallic gaskets. Non-metallic gaskets are soft, corrosion-resistant and cheap, but have poor temperature and pressure resistance. It is mostly used for flange ...

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Classification and Brief Introduction of Pickling of Steel and Steel Pipes

Classification and Brief Introduction of Pickling of Steel and Steel Pipes

Definition and Classification of Steel Pipe Pickling 1. Definition of Pipe Pickling: According to a certain concentration, temperature and speed, acid is chemically removed from the surface of the steel pipe, called pickling. 2. Pickling classification of steel pipes: According to the types ...

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Processing Method and Manufacturing Process of Flat Welded Flange

Processing Method and Manufacturing Process of Flat Welded Flange

Flat welded flange is a kind of flange connected with fillet weld of container or pipeline. It belongs to arbitrary flange. According to the integrality degree of the connection between the flange ring and the straight cylinder section, the integral flange ...

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Correct installation sequence and manufacturing process of butt welding flange

Correct installation sequence and manufacturing process of butt welding flange

Butt welding flange, also known as high neck flange or large tail flange, is a type of pipe fitting. It refers to a flange with a neck and a transition of a round pipe and is welded to the pipe. The butt ...

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China’s iron ore surges in red-hot rally on supply worries

China’s iron ore prices scaled a fresh record on Monday as concerns over supply intensified, with stocks of the steelmaking ingredient at the country’s ports shrinking and investors worried about another Brazil mine dam at risk of collapsing. The most-traded ...

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Crude steel production falls 0.8% in April

Crude steel production in April dropped 0.8 percent from a year earlier to 8.65 million tons, down for the eighth consecutive month, the Japan Iron and Steel Federation said. Although problems with blast furnaces were resolved, many operators did not ...

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