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The welding process of thick-walled steel pipe

The welding process of thick-walled steel pipe

Keywords :The welding process of thick-walled steel pipe        Update : 2022-03-24        View(s) : 706

Welding method: When welding thick-walled steel pipes , first clean the oil, paint, water, rust, etc. of the welding joints, and then open the grooves according to the wall thickness. It is the gap of the product, which is generally 1-1.5 times the diameter of the electrode or wire. If the groove...

The phenomenon of fake and inferior thick-walled steel pipes

The phenomenon of fake and inferior thick-walled steel pipes

Keywords :The phenomenon of fake and inferior thick-walled steel pipes        Update : 2022-03-23        View(s) : 689

1. Fake and inferior thick-walled steel pipes are prone to folding. 2. Fake and inferior thick-walled steel pipes often have pockmarked surfaces. 3. Fake and inferior thick-walled steel pipes are prone to scarring on the surface. 4. Fake and inferior materials are prone to cra...

What is the difference between the surface processing of spiral steel pipe and stainless steel pipe

What is the difference between the surface processing of spiral steel pipe and stainless steel pipe

Keywords :What is the difference between the surface processing of spiral steel pipe and stainless steel pipe        Update : 2022-03-22        View(s) : 930

Let's first talk about the original surface of the stainless steel tube: NO.1 The surface that is subjected to heat treatment and pickling after hot rolling. Generally used for cold-rolled materials, industrial tanks, chemical industry equipment, etc., the thickness is thicker from 2.0MM-8.0MM. Dull...

Commonly used non-destructive testing methods for steel pipes

Commonly used non-destructive testing methods for steel pipes

Keywords :Commonly used non-destructive testing methods for steel pipes        Update : 2022-03-21        View(s) : 817

The commonly used nondestructive testing methods for steel pipes include radiographic testing (RT), ultrasonic testing (UT), magnetic particle testing (MT), and penetrant testing (PT), which are called the four major conventional steel testing methods. These four methods are the most commonly us...

How to solve the phenomenon of

How to solve the phenomenon of "goose head bend" of spiral steel pipe

Keywords :How to solve the phenomenon of "goose head bend" of spiral steel pipe        Update : 2022-03-18        View(s) : 1

If the large-diameter spiral steel pipe is processed to a certain length, bending must exist, which is a phenomenon and situation that is often encountered in steel pipes. Large-diameter spiral steel pipe is commonly known as "goose head bend" due to unevenness along the length or such bending...

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