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What is the difference between the surface processing of spiral steel pipes and stainless steel pipes
Let’s first talk about the original surface of stainless steel pipes: NO.1 The surface that is heat treated and pickled after hot rolling. It is generally used for cold-rolled materials, industrial tanks, chemical industrial equipment, etc., with a thicker thickness of 2.0MM-8.0MM. Blunt su...Read more -
Specifications, uses, advantages, and applicable scenarios of DN550 steel pipes
As an important building material, steel pipes are widely used in all walks of life. Among them, DN550 steel pipes, as steel pipes of a specific specification, have unique characteristics and a wide range of uses. First, the specifications and characteristics of DN550 steel pipes The specificatio...Read more -
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