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How is the spiral steel pipe sawn off

How is the spiral steel pipe sawn off

Keywords :How is the spiral steel pipe sawn off        Update : 2023-05-25        View(s) : 936

After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still needs to be sawed. In this link, the length of the technical spare ruler directly affects the quality and sales of the finished welded pipe, so the length of the spare ruler should be controlled betwe...

What is the role of oil casing in the process of oil drilling

What is the role of oil casing in the process of oil drilling

Keywords :What is the role of oil casing in the process of oil drilling        Update : 2023-05-24        View(s) : 894

Surface casing: install the oil casing head on the top, suspend and support the subsequent layers of the casing through the casing head; isolate the surface shallow water layer and the shallow complex bottom layer, so that the freshwater layer is not polluted by drilling fluid Intermediate ...

Welding control problems of thick-walled steel pipes

Welding control problems of thick-walled steel pipes

Keywords :Welding control problems of thick-walled steel pipes        Update : 2023-05-23        View(s) : 995

1. Welding temperature control of thick-walled steel pipe : The welding temperature is affected by the high-frequency eddy current thermal power. According to the formula, the high-frequency eddy current thermal power is affected by the current frequency, and the eddy current thermal power is p...

Introduction to Common Methods of Steel Pipe Welding

Introduction to Common Methods of Steel Pipe Welding

Keywords :Introduction to Common Methods of Steel Pipe Welding        Update : 2023-05-22        View(s) : 1530

At present, the commonly used methods for welding steel pipes are electrode arc welding (SMAW), submerged arc welding (SAW), gas tungsten arc welding (GTAW), gas melting arc welding (GMAW), flux cored arc welding (FCAW) and the following To welding and so on. (1) The advantages of electrode...

Spiral steel pipe acceptance criteria and methods

Spiral steel pipe acceptance criteria and methods

Keywords :Spiral steel pipe acceptance criteria and methods        Update : 2023-05-19        View(s) : 783

First, the principles of acceptance of spiral steel pipes : The quality inspection and acceptance of spiral welded pipes shall be carried out by the technical quality supervision department of the supplier. The supplier must ensure that the delivery of spiral welded pipes meets the requirements...

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