News
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Prevention measures for hydrogen-induced defects in straight seam submerged arc welded pipes
Hydrogen is an element that seriously harms the performance of welds. The presence of hydrogen may cause defects such as hydrogen embrittlement, white spots, pores, and cracks in welds, which may lead to failure of welded structures in severe cases. Therefore, the hydrogen con...Read more -
Quality assurance of steel pipe production
1. Brief description of key control points for steel pipe quality assurance Key control points for the steelmaking process: Use high-quality scrap steel + molten iron to ensure low content of Cu and “five harmful” elements in steel; strengthen dephosphorization and...Read more -
Fifteen Myths About Preheating Steel Pipe
Process Preheating is the heating of the workpiece to be welded to above room temperature before or during welding. Preheating is required by the specifications before and after welding. However, other methods may be used under certain conditions. Whether preheating is require...Read more -
Introduction to straight seam steel pipes and precautions for using straight seam steel pipes
Straight seam steel pipes do not refer to a certain type of steel pipe, but a large category of welded pipes. They are made of steel strips. Steel pipes made using straight seam high-frequency welding equipment can be called straight seam steel pipes. To put it simply, when we...Read more -
Main production standards and delivery status of precision steel pipes
Precision steel pipes: Precision bright pipes (precision steel pipes) are a kind of high-precision steel pipe material that is processed by fine drawing or cold rolling of ordinary seamless steel pipes (or de-diameter welded steel pipes). Because the inner and outer walls of p...Read more -
5 Common Heat Treatment Processes for Steel Pipes
What are the 5 common heat treatment processes for steel pipes, seamless steel pipes, and precision steel pipes? There are many types of steel pipes, and the steel grades (types) used are also different. The chemical composition of the same type of steel pipe may also be diffe...Read more -
Stainless steel precision tube processing slotting
Stainless steel precision tubes have low processing difficulty, strong plasticity, controllable hardness, and easy sizing. Such components are used in some industries such as robots, sanitary ware, and electrical appliances. Slotting in pipe fittings is a very common process, ...Read more -
How to define the high-quality steel benchmark of precision rolled steel pipes
In the vast world of steel, precision rolled steel pipes have become an important yardstick for measuring the quality of steel with their excellent performance and wide application fields. So, what kind of precision rolled steel pipes can be called high-quality steel? First, h...Read more -
Details of API5L X46N seamless steel pipes commonly used in industrial projects
X46N seamless steel pipe is a high-strength, high-corrosion-resistant steel pipe material, which is widely used in pipeline systems in the oil, gas, chemical, power, and other industries. Its appearance provides these industries with more reliable, efficient, and safe pipeline...Read more