The pipe schedule (SCH) is a designation used to indicate the thickness of the walls of a steel pipe. It is represented by a number, and this number is not a direct measurement of the actual wall thickness but rather a reference to a set of standardized thicknesses established by the American Nati

Steel Pipe Sizes & Dimensions 3 Characters: A comprehensive description of steel pipe size and dimensions includes the outer diameter (OD), wall thickness (WT), and pipe length (usually 20 ft/6 meters or 40 ft/12 meters). These characteristics allow for the calculation of pipe weight, pressure-bea

Definition of ERW steel pipe: ERW steel pipe, or Electric Resistance Welded Steel Pipe, utilizes the skin effect and proximity effect of high-frequency current to heat and fuse the edges of hot-rolled coils formed by a shaping machine. Subsequently, pressure is applied through welding with pressi

Ultrasonic Testing: Ultrasonic testing uses the propagation of sound waves through the material being inspected. The acoustic properties and internal structure of the material affect the scattering of ultrasonic waves. By analyzing the level and characteristics of the ultrasonic waves, it is possi

The tempering process for API 5L line pipes involves different temperature ranges based on specific performance requirements. The tempering types are categorized according to their tempering temperatures, each serving a distinct purpose: Low Temperature Tempering (150-250°C): Structure: Tempered ma

A hydrostatic test on steel pipes is a critical quality assurance measure conducted to assess the integrity and strength of the pipes. This type of test involves filling the pipes with water, pressurizing them to a specified level, and then monitoring for any signs of leakage or deformation. The p