Knowledge

12Oct, 2024

What are the advantages of television inspection?
The advantages of X-ray television inspection lie in its ability to directly observe the interior of objects both statically and dynamically. It allows for multiple observations wi
12Oct, 2024

What are the inspection methods included in X-ray inspection?
The X-ray flaw detection methods include radiography, fluoroscopic observation, and television inspection. We use television inspection.
11Oct, 2024

Why Conduct an X-ray Inspection?
X-ray inspection is an inspection method that utilizes X-rays (or gamma rays or other high-energy rays) to penetrate metallic materials. Due to differences in the absorption and sc
11Oct, 2024

Why Conduct a Static Hydraulic Test?
As spiral welded pipes serve as pressure-bearing pipelines, the static hydraulic test is an indispensable process. Every steel pipe must undergo a static hydraulic test, with the t
11Oct, 2024

Tests Necessary to Ensure the Quality of Spirally Welded Pipes - Other Qualit...
Personnel Training: Conduct systematic training and assessments for production operators to enhance their skill levels and sense of responsibility, ensuring they can operate strict
11Oct, 2024

Tests Required to Ensure the Quality of Spiral Welded Pipes - Final Product I...
Appearance Inspection: Conduct an appearance inspection on the finished pipeline, including checking the surface finish, and for the presence of defects such as rust spots, corrosi
11Oct, 2024

Tests Required to Ensure the Quality of Spiral Welded Pipes - Weld Seam Quali...
Weld Seam Appearance: The weld seam should be flat, smooth, and free from defects such as cracks, pores, and others. These defects can severely impact the strength and sealability
09Oct, 2024

Tests Required to Ensure the Quality of Spirally Welded Steel Pipes - Product...
Plate Straightening: The plates that have passed inspection need to undergo straightening treatment to ensure the flatness and smoothness of the pipe surface, reducing stress conce
09Oct, 2024

Tests Required to Ensure the Quality of Spirally Welded Steel Pipes - Raw Mat...
Material Standards: The raw materials utilized for the production of spirally welded steel pipes must conform to the relevant national or industry standards, such as GB/T700 and GB
09Oct, 2024

Solutions to Crack Defects
Due to the significant hazards associated with crack defects, more attention must be given to the inspection of such defects. During the welding process, the first step is to selec
09Oct, 2024

Crack Defect
Cracking is a common welding defect in threaded steel pipes, which has a significant impact on pipeline safety. It not only accelerates the corrosion rate of steel pipes but also p
09Oct, 2024

Solutions to Incomplete Penetration and Incomplete Fusion Defects
The defects of incomplete penetration and incomplete fusion are obviously closely related to the groove dimensions. Therefore, in the design of the groove, it is essential to stric

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