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Introduction to ASTM A795 ERW steel pipe
ASTM A795 ERW (Electric Resistance Welded) Pipe is produced according to the standards set by the American Society for Testing and Materials (ASTM International). The ASTM A795 standard covers black and hot-dipped zinc-coated (galvanized) welded and seamless steel pipes specifically designed for fire protection use. "ERW" refers to the resistance welding process used to fuse the edges of the steel pipes together, forming a reliable and durable weld. Below is a comprehensive overview of ASTM A795 ERW pipes.
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Steel pipe cleaning and maintenance methods
Proper cleaning and maintenance of steel pipes involve specific methods to ensure their longevity and performance. Here’s how to clean and maintain steel pipes effectively.
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Appropriate temperature for welding LSAW steel pipes
Welding is a manufacturing process and technology that joins metal or other thermoplastic composite materials through the application of heat, temperature, or pressure. There are three common welding methods.
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What is the standard length of seamless pipe and how to choose?
Seamless pipe, a type of steel pipe that is challenging to manufacture and shape, typically comes in standard lengths of 6 meters (or 5.8 meters), 9 meters, or 12 meters. These lengths are designed to meet production requirements and facilitate transportation. However, the appropriate length can also be customized based on market demand and specific customer needs. The length of a steel pipe is often related to its diameter: generally, the thicker the pipe, the longer it is. Small-diameter pipes are mostly below 6 meters, pipes with a diameter over 500mm are typically 10 to 12 meters, while others range from 6 to 10 meters. Below is a detailed introduction to the standard lengths of seamless pipes.
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Seamless pipe and welded pipe price comparison
Seamless pipes vs. welded pipes: which one is more expensive?Generally, seamless pipes are more expensive than welded pipes. Here are the main reasons for the higher cost of seamless pipes.
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Stacking principle of SSAW steel pipes
The stacking principle of SSAW (spiral welded) steel pipes involves stacking, supporting and protecting steel pipes to ensure that they are not damaged or deformed during storage and transportation. When stacking SSAW steel pipes, attention must be paid to maintaining the shape and surface integrity of the steel pipes, and appropriate support and protection measures must be taken to ensure that they remain in good condition during storage and transportation. This article will introduce in detail the stacking principle of SSAW steel pipes.
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SSAW Steel Pipe Classification
SSAW steel pipe refers to a type of steel pipe with a spiral seam that is manufactured using strip coil as raw material, formed through extrusion at normal temperatures, and welded using the automatic double wire double-sided submerged arc welding process. This discussion will focus on the classification of SSAW steel pipes.
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High-frequency welding process of submerged arc steel pipe
Here is an introduction to the high-frequency welding process of submerged arc steel pipe.
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Ways to connect pipe fittings to pipes
Piping systems rely on pipes and fittings as fundamental components, each serving distinct functions and possessing unique characteristics. Steel pipes, a common material, are categorized based on cross-sectional shape, material composition, intended use, and production method. This article will briefly introduce ways to connect pipe fittings to pipes.
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Fire protection performance of epoxy powder anti-corrosion steel pipes
Here's an overview of fire protection performance of epoxy powder anti-corrosion steel pipes.
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