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ASTM A691 alloy steel seamless pipe is a seamless steel pipe produced in accordance with ASTM A691 standards and is mainly used in high temperature and high pressure applications.

OCTG casing is a steel pipe used to support the well wall of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after comple...

ERW (Electric Resistance Welded) pipe and LSAW (Longitudinal Submerged Arc Welded) pipe are two common types of welded steel pipes used in various industries, including oil and ...

The heat treatment process of 4130X gas cylinder tubes is commonly used in the manufacture of high-pressure gas cylinders.

Reservoir casing, also known as production casing or production liner, plays a key role in oil and gas drilling and production operations.

Flanges are classified based on various factors such as their design, method of attachment, and application.

In industrial contexts, particularly in piping systems, flanges play a crucial role in connecting pipes, valves, pumps, and other equipment together.

Alloy pipe fittings are a type of pipe fittings. They are made of alloy steel, so they are called alloy pipe fittings.

Q420D and Q420E steel typically contain elements such as carbon, silicon, manganese, phosphorus, sulfur, and trace amounts of alloying elements like niobium, vanadium, titanium,...

GB/T 18248 is a Chinese standard that specifies the technical specifications for seamless steel tubes used for gas cylinders.

Q345D is a commonly used low alloy structural steel in my country. Typically refers to pipes made from Q345D steel using a seamless manufacturing process.

For gas cylinder tubes, the implementation standard is GB18248-2000, and the wall thickness is 3-55mm.