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Pressure rating and applications of boiler steel pipe
The pressure rating of boiler steel pipes indicates the highest operating pressure that the pipes can endure. Boiler steel pipes are typically classified into three pressure categories based on international standards: low-pressure, medium-pressure, and high-pressure.
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6 major processing technologies for seamless steel pipes for structures
As industry advances, seamless steel pipes (SMLS) are gaining popularity across various sectors due to their processing techniques. These pipes are noted for their hollow cross-section, consistent wall thickness, and smooth surfaces, which contribute to their reliable quality. They are extensively used in fluid transportation for oil, natural gas, and water, as well as in structural and mechanical components. This article outlines six key processing technologies for seamless steel pipes used in structural applications.
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How to detect the quality of small-diameter precision seamless steel pipes?
Small-diameter precision seamless steel pipes are high-precision tubes characterized by their small outer diameter, typically crafted from high-quality carbon, alloy, or stainless steel. This article explores effective methods for assessing the quality of these pipes.
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American seamless steel pipe wall thickness standards
American seamless steel pipe (SMLS) wall thickness standards vary based on different specifications, with specific requirements for the pipe's circumference, diameter, and wall thickness to meet the relevant standards.
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ASTM A53 seamless and welded steel pipe specifications
ASTM A53 and ASME SA53 standards apply to pipes used in mechanical and pressure-related applications, as well as general purposes such as steam, water, gas, and air lines. The A53 specification covers both seamless and welded pipes, available in black or hot-dipped galvanized finishes, with nominal wall thickness. Here's an overview of the ASTM A53 seamless and welded steel pipe specifications.
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Methods for identifying fake and inferior hot-rolled large diameter seamless steel pipe
In the construction and industrial sectors, hot-rolled large-diameter seamless steel pipes are essential for various applications due to their high strength and durability. However, fake and inferior steel pipes pose significant risks to safety and structural integrity. Identifying such substandard materials is crucial to ensure the quality and longevity of the project. Below are several methods for identifying fake and inferior hot-rolled large-diameter seamless steel pipes.
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Analysis of anti-corrosion test report of SSAW steel pipe
Here's an overview of the analysis of anti-corrosion test report of SSAW steel pipe.
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How to check SSAW steel pipe quality from appearance?
SSAW (Spiral Submerged Arc Welded) steel pipe is a type of welded steel pipe produced from strip steel coil. It is extruded at normal temperature and welded using an automatic double-wire, double-sided submerged arc welding process. SSAW pipes are commonly used for fluid transportation, metal structures, and steel pipe piles. A key inspection method for SSAW pipes is appearance quality inspection, which focuses on identifying surface defects on the weld and checking for dimensional deviations.
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Carbon steel seamless pipe expansion connection
The expanded connection primarily utilizes malleable cast iron or ductile iron, consisting of key components such as a lined pipe body (bushing), nuts or bolts, threaded rings or expanded pressure flanges, and sealing rubber rings. This connection method uses fastening nuts or pressure flanges to compress the sealing ring. This ensures that the inner surface of the pipe and the sealing ring on the lining pipe are securely connected to the metal pipe fittings, forming a reliable diagonal sealing connection. This article will briefly introduce carbon steel seamless pipe expansion connection.
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Ways to improve the quality of cold drawn seamless pipes
To enhance the quality of cold-drawn seamless pipes, manufacturers can adopt several key measures throughout the production process. Here's an overview of ways to improve the quality of cold drawn seamless pipes.
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