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A detailed explanation of the welding process of large diameter straight seam steel pipe

A detailed explanation of the welding process of large diameter straight seam steel pipe

Keywords :A detailed explanation of the welding process of large diameter straight seam steel pipe        Update : 2022-07-08        View(s) : 84

The double wire automatic welding of straight seam steel pipe is a welding technology developed in recent years. In addition to the characteristics of semi-automatic single wire welding, it also has the welding characteristics of energy concentration and high deposition efficiency. The main and ...

What should be done at the end of cooling of large diameter steel pipes

What should be done at the end of cooling of large diameter steel pipes

Keywords :What should be done at the end of cooling of large diameter steel pipes        Update : 2022-07-07        View(s) : 108

(1) When the cooling is completed, that is, when the temperatures of the surface layer and the core part are all the same, the elastic deformation of the surface layer and the core part also disappears and returns to the original state. Although transient thermal stress is generated during the cooli...

What is the meaning of the hot rolling process in stainless steel pipe fittings

What is the meaning of the hot rolling process in stainless steel pipe fittings

Keywords :What is the meaning of the hot rolling process in stainless steel pipe fittings        Update : 2022-07-06        View(s) : 90

Simply put, the process of heating the steel and controlling it above the recrystallization temperature for rolling is called hot rolling. The process of rolling below the recrystallization temperature, including normal temperature, is called cold rolling. Hot-rolled steel has good plasticity and ...

The difference between socket welding flange and flat welding flange

The difference between socket welding flange and flat welding flange

Keywords :The difference between socket welding flange and flat welding flange        Update : 2022-07-05        View(s) : 102

Socket welding steel flange is suitable for small diameter, high pressure, and high-temperature pipeline connection. Flat welding has a boss-like butt welding, a groove is opened on the boss, and then the pipe is inserted into it for welding. Socket welding means that there is no boss, and a...

What problems should be paid attention to when welding galvanized steel pipes

What problems should be paid attention to when welding galvanized steel pipes

Keywords :What problems should be paid attention to when welding galvanized steel pipes        Update : 2022-07-04        View(s) : 56

1. The premise must be polished The galvanized layer at the weld must be polished off, otherwise, air bubbles, trachoma, false welding, etc. will occur. It will also make the weld brittle and reduce rigidity. 2. The welding characteristics of galvanized steel Galvanized steel is generally c...

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