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.

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.

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.

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.

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.

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.

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.

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.

Seamless pipes (SMLS) are steel products manufactured without any welding processes, resulting in a uniform texture and excellent mechanical properties. Specifically, seamless carbon steel pipes are made from carbon steel. This article will briefly introduce if seamless carbon steel pipes be connected by grooves.

Seamless steel pipes are known for their outstanding properties, making them highly versatile and widely used across various industries. Below is an overview of the key application areas where seamless steel pipes are integral, along with their specific uses in each field.

Welded steel pipes are widely used in various industries due to their versatility and cost-effectiveness. However, they are susceptible to corrosion and damage, especially in harsh environments. To enhance their durability and extend their service life, implementing effective surface protection solutions is essential. Below are some of the most common methods used to protect the surface of welded steel pipes.

Welded steel pipes, commonly known as welded pipes, are crafted from steel plates or strips that are welded after being rolled and shaped. To ensure their longevity and optimal performance, regular maintenance is crucial. Here’s how to properly maintain welded steel pipes.