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Technical characteristics of double-sided submerged arc welded spiral steel pipe
1. During the forming process of the steel pipe, the deformation of the steel plate is uniform, the residual stress is small, and there is no scratch on the surface. The processed steel pipe has greater flexibility in the diameter and wall thickness of the steel pipe size range, especially in the...Read more -
Significance of oil casing heat treatment process
In addition to being used for oil extraction, the emergence of oil casing can also be used as a pipeline for transporting raw materials. To enhance the quality of the oil casing, every link in the production process is particularly important, especially the temperature control during the period m...Read more -
Straight seam steel pipes de-rusting technology and forming technology introduction
Straight seam steel pipe de-rusting technology: In the anticorrosion construction process of oil and gas pipelines, the surface treatment of straight seam steel pipe is the key factor in determining the anti-corrosion service life of the pipeline, and it is the premise of whether the anticorrosio...Read more -
A106b seamless steel pipe manufacturing method
According to different production methods, it can be divided into hot-rolled tubes, cold-rolled tubes, cold-drawn tubes, extruded tubes, etc. 1.1. Hot-rolled seamless steel pipes are generally produced on automatic pipe rolling units. After checking and removing surface defects, the solid tube bl...Read more -
What should be paid attention to when installing butt-welded steel elbows
Before the official installation of the butt-welded steel elbow, each steel elbow pipe joint must be measured and numbered, and the pipe joint group with the smallest difference in pipe diameter should be selected for docking. When splicing pipes on the ground, use 14×14cm sleepers under the pipe...Read more -
Detailed explanation of surface treatment and processing methods of thick-walled steel pipes
Thick-walled steel pipes have a wide variety of steel types and specifications, and their performance requirements are also various. All of these should be differentiated as user requirements or working conditions change. Generally, steel pipe products are classified according to cross-sectional ...Read more