Industrial News
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Anti-rust maintenance and inspection methods for straight seam welded pipes
The production process of straight seam welded pipes is simple, with high production efficiency, low cost and rapid development. The strength of spiral welded pipes is generally higher than that of straight seam welded pipes. Narrower billets can be used to produce welded pipes with larger diamet...Read more -
Details of L415M spiral welded steel pipes commonly used in industrial projects.
① Product specifications: outer diameter 219.1mm~2850mm, wall thickness 3mm~40mm. ② Implementation standards: GB/T9711, PSL1, PSL2 steel pipes for oil and gas industry transportation systems. ③ Production process: SAWH spiral seam double-sided submerged arc welded steel pipe. ④ Chemical compositi...Read more -
The surface of 316L stainless steel pipe is divided into AP grade, MP grade, BA grade, and EP grade
In addition to the brand, material origin, and production and processing technology, a key factor that directly affects the price of 316L stainless steel pipe is the surface treatment method. To further improve the characteristics of 316L stainless steel pipe, the specific methods for processing ...Read more -
Analysis and control of surface cracks in low-temperature seamless steel tubes
Causes of microcracks in tubes To make the low-temperature seamless steel tube Gr6 have good low-temperature impact properties of -45℃, its (C) is designed to be 0.08%~0.12%, and the other chemical components are to improve strength and refine grains. Usually, (C) is added to 0.09%. 0.12% steel i...Read more -
Cold processing of industrial steel pipes
Overview of cold processing of steel pipes; Characteristics and process flow of cold processing of steel pipes Cold processing of steel pipes includes cold rolling, cold drawing, cold tension reduction, and spinning, which are the main methods for producing precision thin-walled, and high-strengt...Read more -
Quality problems in the production process of seamless steel pipes – steel pipe finishing defects and their prevention
Steel pipe finishing defects and their prevention. The finishing process of steel pipes is an important process to remove steel pipe defects, further improve the quality of steel pipes, meet the needs of special product uses, and clarify the “identity” of products. Steel pipe finishin...Read more