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Characteristics, application, and purchase details of DN70 steel pipe
When we mention DN70 steel pipe, the first thing we need to understand is that “DN” here stands for nominal diameter, which is a term in pipeline engineering used to describe the inner diameter of the pipe. “70″ refers to the specific value of this size...Read more -
Folding defect detection method and device for seamless steel pipe
1. Principle of folding defect detection for seamless steel pipe When the steel pipe on the detection line passes through the wall thickness detection area strictly along its axis at high speed, the water coupler rotating around the pipe generates a spray water column with con...Read more -
Explore the performance characteristics, application fields, and market prospects of 15CrMo alloy steel pipe
15CrMo alloy steel pipe is an alloy steel pipe material with excellent performance and wide application. It plays an important role in the industrial field with its unique chemical composition and process characteristics. 1. 15CrMo alloy steel pipe performance characteristics:...Read more -
Advantages and Applications of Submerged Arc Welded Straight Seam Steel Pipe
Submerged arc welded straight seam steel pipe, as a commonly used steel pipe product, has many advantages and a wide range of applications. First, the characteristics of submerged arc welded straight seam steel pipe Submerged arc welded straight seam steel pipe is a pipe made ...Read more -
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