Knowledge

21May, 2024

Three ways of spiral steel pipe connection introduction
The connection methods of spiral steel pipes are mainly divided into three types. 1: Flat connection: General flange connection speed, convenient construction, simple tools, but in
21May, 2024

What factors will affect the quality of large -diameter spiral steel pipes
In recent years, with the continuous upgrading of large -caliber spiral steel pipes (SSAW) welding processes, its processing quality and process performance will be significantly i
21May, 2024

Standard and acceptance of spiral tubes
The spiral steel pipe is a spiral steel pipe made of steel or coils by spiral -shaped tortuous, and actively welded with both sides and welded inner seams and outer seams. For the
20May, 2024

What is the difference between hot -dip galvanized steel pipe and cold galvan...
Galvanized steel pipes are divided into two categories -hot -dip galvanized steel pipes and cold galvanized steel pipes. Cold galvanized steel pipes are electroplating steel pipes.
20May, 2024

Straach processing of straight seam steel pipes
The straight sewing steel pipe is an important process in the production of straight steel pipes. Especially for API standards with high quality requirements and oil pipes, special
20May, 2024

Welding quality control of straight seam steel pipes
The straight seam steel pipe is a steel pipe with a longitudinal parallel of welding seams and steel pipes. It is generally divided into public welding steel pipes, welding thin wa
20May, 2024

Method of length measurement of straight seam steel pipes
1. Measure the length of the grating ruler The basic principle is that the two fixed -length grating ruler is installed on the outer side of the two ends of the straight steel pipe
20May, 2024

The production process of straight seam steel pipes
The straight seam steel pipe can be divided into high -frequency straight steel pipes and buried arc welding straight seam steel pipes according to the production process. Here are
18May, 2024

The actual application of thermal insulation steel pipe
Thermal insulation pipelines are widely used for liquid and gas transportation pipe networks, chemical pipeline insulation engineering petroleum, chemical industry, centralized the
18May, 2024

Two flaws of welding steel pipes
The production process of welding steel pipes is to use various molding methods, such as various molding methods or bending rolls in the required cross -section shape with various
18May, 2024

The advantages and disadvantages of spiral steel pipes and main use items
The spiral steel pipe is a spiral steel pipe made of steel or coils by spiral -shaped tortuous, and actively welded with both sides and welded inner seams and outer seams. For the
18May, 2024

Introduction to welding steel pipes
The welded steel pipe is also called a welded pipe. It is a steel pipe made of steel plate or steel belt and welded after curling. Welding steel pipe production technology is simpl

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