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What are the common welding defects in welded steel pipe welds
First, how are the welds of these welded steel pipes formed? Common defects in welds include pores, slag inclusions, incomplete penetration, incomplete fusion, and cracks. 1. Porosity is a cavity formed by absorbing excess gas or gas generated by a metallurgical reaction when ...Read more -
Four measuring methods for spiral steel pipe length
How to accurately measure the length of spiral steel pipe is very important for spiral steel pipe manufacturers. After years of production experience, four methods for testing length have been summarized: 1. Improved encoder length measurement This method is an indirect measur...Read more -
What are the common categories of stainless steel pipes on the market
1. Production method: Stainless steel welded pipes are divided into two categories: seamless pipes and welded pipes according to the production method. Seamless steel pipes can be divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, and extruded pipes. Cold-draw...Read more -
Specific uses of precision seamless steel pipes
Precision seamless pipe, many people in the construction industry should know that it is a high-precision steel pipe material, mainly used to produce pneumatic or hydraulic components, such as cylinders or cylinders, with strong pressure resistance and light weight, and is gen...Read more -
Introduction to the quality technology and special uses of large-diameter flanges
Large-diameter flange is a kind of flange. It is widely used and promoted in the machinery industry and has been well-received and favored by users. Large-diameter flanges have a wide range of uses, and the range of use is determined according to different characteristics. The...Read more -
How to perform daily maintenance on straight seam steel pipes
Long-distance oil and gas pipelines are an important means of energy security. During the anti-corrosion construction process of oil and gas pipelines, the surface treatment of straight seam steel pipes is a key factor in determining the anti-corrosion service life of the pipe...Read more -
Several common anti-corrosion techniques for spiral steel pipe anti-corrosion
Anti-corrosion spiral steel pipes play an important and different role in people’s daily lives. Anti-corrosion spiral steel pipes generally refer to the use of special technology to treat ordinary spiral steel pipes that have been anti-corrosion treated, so that the spir...Read more -
The production process and inspection standards of thick-walled straight seam steel pipes
Thick-walled straight-seam steel pipes are made by rolling long strips of steel strips into round tubes through high-frequency welding units and welding straight seams. The shape of the steel pipe can be round, square, or special-shaped, which depends on the sizing and rolling...Read more -
What are the classifications of coating methods for large-diameter plastic-coated steel pipes for water delivery
The coating methods of plastic coating equipment for large-diameter water-conveying plastic-coated steel pipes are divided into two categories: internal coating and external coating at the same time, and internal coating and external coating separately. Technological coating m...Read more