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How to control the wall thickness deviation of seamless steel pipes
Among the common problems of seamless steel pipes, wall thickness difference (eccentricity) occupies the first place. Wall thickness difference, as the name implies, is the difference between the maximum wall thickness and the minimum wall thickness. As long as it is a seamless steel pipe, there ...Read more -
Explore the characteristics and application fields of Q235B weathering steel pipe
Q235B weathering steel pipe, as a common material, has an important position in the steel industry. Let us have a deep understanding of its characteristics and application fields. Q235B weathering steel pipe is a structural steel with good weather resistance and mechanical properties. It is mainl...Read more -
Introduction to Common Methods of Steel Pipe Welding
At present, the commonly used methods for steel pipe welding include metal arc welding (SMAW), submerged arc welding (SAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW) and downward welding. (1) The advantages of metal arc welding are simple equipme...Read more -
Analysis and preventive measures of quenching cracking of 40CrMnMo seamless steel pipe
Underground oil mining tools work in wells thousands of meters deep, in harsh environments and complex stress conditions. Normally, mining tools have to withstand not only tensile stress, and torsional bending stress, but also strong friction and impact. At the same time, the tools are also To wi...Read more -
3258 seamless steel pipe is an analysis of material selection and application fields
Steel pipes play an important role in modern construction, machinery manufacturing, petrochemical industry, and other fields, among which seamless steel pipes have attracted much attention due to their unique performance advantages. As one of them, 3258 seamless steel pipe is very popular because...Read more -
What are the requirements for quality control in the national standard of galvanized steel pipes
The national standard for galvanized steel pipes has very strict quality control requirements, which are mainly reflected in the following aspects: 1. Appearance quality: The surface of galvanized steel pipes should be flat and smooth, without defects such as cracks, pitting, oxide scale, oil sta...Read more