Knowledge

24Jul, 2024

Quality problem of steel pipe welding -air holes
There are stomach defects inside or surface on the weld. (1) Harm The pores reduce the effective cross -sectional area of the weld, loosen the weld, thereby reducing the intensit
24Jul, 2024

Quality problem of steel pipe weld -burning
During the welding process, the melting depth exceeds the thickness of the pipeline, and the melting metal flows out of the back of the weld to form perforation. (1) Harm It destro
23Jul, 2024

Quality problem of steel pipe welding -bite
A continuous or intermittent grooves or depression of the border of the weld and the mother material, commonly known as "biting meat" (1) Harm Bite the edge will reduce t
23Jul, 2024

Leakage of the whole tube of the weld pipe
The leakage detection means that after the iron magnetic material is magnetized, the surface and near surface defects are on the surface of the material to form a leakage field. Th
23Jul, 2024

Quality resolution of bridge spiral steel pipes
The common standards of spiral steel pipes are generally divided into multiple standards. Generally, low -voltage fluid conveying with spiral seam high -frequency welding steel pip
23Jul, 2024

How to clean up the drainage spiral tube
What is the method of cleaning the spiral tube? I will introduce it here. 1. Sometimes the spiral tube causes the wrong edge due to the hard bend of the steel band. This phenomenon
23Jul, 2024

Different specifications of straight seam steel pipes
Strailed steel pipes are a common pipe. Its structure is based on curved steel plates or steel chains. Each connection point is connected by welding. Among the many types of welded
22Jul, 2024

Installation introduction of straight seam steel pipes
Strailed steel pipes are widely used in various industries, such as oil, metallurgy, construction, coal mines, ports, machinery and other industries. During the installation and us
22Jul, 2024

How to maintain thermal stability of anticorrosive spiral tube
In daily life, in order to ensure the thermal stability of the anticorrosive spiral tube, we should choose to stack it in places with relatively clean and neat and smooth drainage.
22Jul, 2024

Welding method of spiral steel pipe
The spiral steel pipe is a spiral seam steel pipe based on the steel roll plate as the raw material, which is often squeezed and formed, and welded with the automatic dual -wire do
22Jul, 2024

Introduction to the diameter of the spiral steel pipe
The spiral tube is also called a spiral steel pipe or a spiral tube. It is rolled into a tube blanket at the angle of the spiral line (called the forming angle) of the steel or low
22Jul, 2024

Production process of straight seam welding pipes
The straight seam steel pipe refers to the steel pipe parallel to the length direction of the weld and the steel pipe. It is usually made of steel belt or steel plate through strai

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