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Grades and specifications of ERW steel pipes
ERW steel pipes play a crucial role in various industries, particularly for transporting fluids and gases like oil and natural gas, and in structural applications. Their appeal lies in their robust strength, long-lasting durability, and cost-effectiveness, making them a go-to choice for both high and low-pressure scenarios. To fully leverage the benefits of ERW steel pipes, it is essential to grasp the various grades and specifications available.
2024-08-21
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Welded steel pipe standard length
Here's an overview of the typical welded steel pipe standard length.
2024-08-21
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Application fields of small diameter seamless carbon steel pipe
Small-diameter seamless carbon steel pipes are versatile and essential materials across various industries due to their strength, durability, and ability to withstand extreme conditions. Below is an overview of the key application fields where these pipes play a critical role.
2024-08-21
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Small diameter seamless pipe inspection standards
The inspection standards for small-diameter seamless pipes and tubes are crucial for ensuring the quality and safety of steel pipes. These standards encompass various aspects, including surface quality, dimensional deviations, chemical composition, and mechanical properties. Below is an in-depth explanation of the inspection criteria for small-diameter seamless pipes.
2024-08-21
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Understanding the surface roughness of seamless steel pipes
Surface roughness in seamless steel pipes refers to the fine irregularities on the pipe's surface, which play a crucial role in determining the pipe's corrosion resistance, lubrication, appearance, and adhesion properties. The typical surface roughness for seamless steel pipes used in general industrial applications ranges from 1.6 to 3.2 μm. The exact roughness required depends on the specific use case and national standards. In industries where surface hardness is critical, such as aerospace, automotive, and machinery manufacturing, higher surface roughness standards are often required.
2024-08-20
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Welding defects of spiral welded steel pipes
In the submerged arc welding zone of spiral welded steel pipes, certain defects are particularly prone to occur, such as pores, hot cracks, and undercuts. This article provides an overview of these common welding defects and their preventive measures.
2024-08-20
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What are the common categories of seamless steel pipes?
Seamless steel pipes and tubes are critical components in various industries, each category offering specific benefits suited to different applications. Understanding the common categories can help in selecting the most appropriate type for your needs.
2024-08-20
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Strength comparison of welded steel pipes and seamless steel pipes
There are notable differences in the strength of seamless steel pipes and welded steel pipes, with seamless pipes generally exhibiting higher tensile strength. Read on to learn more.
2024-08-20
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How often does spiral steel pipe need to be replaced?
Spiral steel pipes, also known as SSAW (Submerged Arc Welded) steel pipes, are commonly used in pipeline systems for transporting liquid or gaseous media. This article will discuss how often spiral steel pipes need to be replaced and the factors that influence this decision.
2024-08-19
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What kind of welding rod is good for welding spiral welded steel pipe?
When welding spiral welded steel pipes, it is crucial to choose welding rods that offer both good corrosion resistance and mechanical strength. This article will guide you through the process of selecting the appropriate welding rods for spiral welded steel pipe applications.
2024-08-19
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Seamless pipe inner wall polishing method
Polishing the inner wall of seamless(smls) pipes is an essential process that significantly enhances the surface quality, ensuring optimal performance and longevity of the pipes. Below, we outline two common methods for inner wall polishing: manual polishing and mechanical polishing.
2024-08-19
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Carbon steel pipe hardness test
Carbon steel pipe is a commonly used metal material, and its hardness refers to its ability to resist localized plastic deformation. Hardness is typically tested using methods such as Rockwell Hardness or Brinell Hardness. While the results obtained from different hardness testing methods may vary slightly, they all provide a reliable indication of the hardness of carbon steel pipes.
2024-08-19