Knowledge

17Aug, 2024

How to Avoid Cracks in Spiral Tubes
Spiral tubes are prone to cracking during heat treatment and cooling. What aspects should be paid attention to during production to prevent cracks? Tempering should be performed pr
17Aug, 2024

Requirements for welding of spiral tube seams
Excessively large gaps can lead to reduced proximity effects, insufficient eddy current heat, poor intergranular bonding of the weld seam, and ultimately result in incomplete fusio
16Aug, 2024

Classification and Safety Management of Spiral Steel Pipes
How are spiral steel pipes classified based on their working modes? Irrigation systems using thermally expanded steel pipes for water transmission pipelines can be classified into
16Aug, 2024

When handling spiral steel pipes, it is crucial to avoid these defects
Spiral steel pipes play a vital role in our daily lives. Below, we will introduce the common defects associated with each heat treatment process for spiral steel pipes based on the
16Aug, 2024

How to Differentiate Floating Rust from Rust on Spiral Steel Pipes
Generally, spiral pipes cannot be stored in large quantities in the production workshops when delivered to the end-users, which necessitates dealers to maintain some inventory. How
16Aug, 2024

Ultrasonic Flaw Detection of Spiral Steel Pipes
Pipeline transportation, as an efficient and specialized mode of transportation, plays an increasingly significant role in oil and gas transportation and other fields. Currently, l
16Aug, 2024

Structural Properties of Galvanized Steel Pipes
Hot-dip galvanized pipes are produced by reacting molten metal with an iron matrix to form an alloy layer, which bonds the matrix and the coating together. The process involves fir
15Aug, 2024

Analysis of Wear Resistance Causes of Galvanized Steel Pipes
Galvanized steel pipes are often used in the manufacturing of critical components that demand exceptional wear resistance and crack resistance, despite their inherent properties su
15Aug, 2024

Pickling and Passivation of Galvanized Steel Pipes
The chemical degreasing process involves immersing the pipes into a tank made of steel plates, with the inner walls lined with polyvinyl chloride (PVC) or polyethylene. A 12-15% ni
15Aug, 2024

Achieving High-Quality Galvanized Steel Pipe Processing
When the application characteristics of galvanized steel pipes vary, so do the requirements for the aluminum alloy composition after bright heat treatment, leading to differences i
15Aug, 2024

Analyzing the Wear Resistance of Galvanized Steel Pipes
Wear-resistant alloy pipes feature varying thicknesses of wear-resistant layers, typically ranging from 3 to 120mm, resulting in different hardness levels. Compared to ordinary all
15Aug, 2024

Classification and Production Process of Galvanized Pipes
Galvanized pipes can be categorized into hot-dip galvanized steel pipes and cold-galvanized steel pipes, with the latter gradually being phased out. Hot-Dip Galvanized Steel Pipes

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