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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

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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 : 2023-06-01        View(s) : 1

If the large-diameter spiral steel pipe is processed to a certain length, there must be bending, which is a phenomenon and situation that is often encountered in steel pipes. The large-diameter spiral steel pipe is commonly called "goose head bend" due to the unevenness along the length of the b...

Pre-welding and welding essentials of straight seam steel pipe

Pre-welding and welding essentials of straight seam steel pipe

Keywords :Pre-welding and welding essentials of straight seam steel pipe        Update : 2023-05-30        View(s) : 355

Pre-welding of straight seam steel pipes : pre-welding includes seams and welds. 1. The joint (that is, the forming seam) has no misalignment or the misalignment is less than the specified value. Generally, the amount of misalignment is ≤ 8% of the plate thickness, and the maximum is not more t...

What is the difference between oil casing and oil drill pipe

What is the difference between oil casing and oil drill pipe

Keywords :What is the difference between oil casing and oil drill pipe        Update : 2023-05-26        View(s) : 272

There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials. Oil casing is a steel pipe used to support the walls of oil and gas wells to ensure the normal operation of the entire oil well after the drilling process and completion. Each well ...

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) : 392

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 ...

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) : 508

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...

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