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Quality defects of steel pipe rolling and their prevention
The steel pipe rolling process is the main process to determine the wall thickness of seamless steel pipes. Its function is to reduce the wall thickness of perforated rough pipes. The main defects are uneven wall thickness of rough pipes, surface cracks, pits, scratches, rolling folds, punctures ...Read more -
How to choose a large-diameter 42crmo thick-walled seamless steel pipe
42CrMo thick-walled seamless steel pipe is a commonly used steel pipe material, widely used in petroleum, chemical, electric power, aviation, aerospace, and other industries. When choosing 42CrMo thick-walled seamless steel pipe, the following key factors need to be considered. First, consider th...Read more -
How to deal with the white rust on the surface of galvanized steel pipe after being exposed to rain
First: The cause of alkali (white rust, black spots) 1. The formation principle of white rust When galvanized steel pipes are tightly stacked and placed in humid air since there is no free-flowing air on the surface of the product, the surface of the zinc layer will undergo electrochemical corros...Read more -
3PE three-layer protective layer–Details of anti-corrosion steel pipe
3PE anti-corrosion steel pipe refers to a 3-layer structural polyolefin coating (MAPEC) outer anti-corrosion steel pipe, which is a commonly used anti-corrosion pipeline in China. At present, 3pe steel pipe is widely used and is an indispensable steel pipe in the pipeline industry. Do you know wh...Read more -
Several common anti-corrosion processes 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 treated with anti-corrosion, so that the spiral steel pipes ...Read more -
586 stainless steel pipe is an outstanding representative of high-quality stainless steel
586 stainless steel pipe, as a high-quality stainless steel material, has many unique characteristics and wide applications. In the steel industry, 586 stainless steel pipe is favored for its superior performance and diverse uses and has become one of the indispensable materials. First, the chara...Read more -
Precautions for wall thickness calculation of 15CrMo boiler oil cracking steel pipes
Precautions for wall thickness calculation of 15CrMo boiler oil cracking steel pipes. The method for calculating wall thickness in the production of 15CrMo boiler oil cracking steel pipes is: first, calculate the roller speed of each pass according to the given main and auxiliary motor speeds (Fo...Read more -
Details about the DN800 steel pipe inspection specification
Steel pipes are important materials commonly used in construction, engineering, and manufacturing industries, and for large-diameter steel pipes, such as DN800 steel pipes, their quality and safety are even more important. Therefore, strict inspection specifications are essential to ensure the qu...Read more -
Spiral steel pipes can be divided into several categories according to their uses
Spiral steel pipes can be roughly classified into four categories according to their uses: spiral steel pipes for drainage, spiral steel pipes for dredging, spiral steel pipes for piling, and spiral steel pipes for oil and gas. Spiral steel pipes for drainage Material of spiral steel pipes for dr...Read more -
What are the heat treatment characteristics of martensitic stainless steel pipes
Answer: Martensitic stainless steel pipes include Cr13 type (low carbon and medium carbon), Cr17Ni type (low carbon), and Cr18 type (high carbon). The heat treatment process includes annealing, quenching + tempering, stress relief, etc. (1) Cr13 stainless steel pipe: Alloys with Cr ≥ 12% have the...Read more -
Explore the advantages and applications of 299X10 steel pipe
299X10 steel pipe, have you heard of this name? Perhaps it is not very familiar in daily life, but it plays an important role in the field of engineering construction. As a common steel pipe material, 299X10 steel pipe has unique advantages and is widely used in various fields. Let us take a clos...Read more -
What are the precautions for welding steel pipes
Welding steel pipe is a common process that plays an important role in the construction, manufacturing, and repair fields. However, when performing welding operations, we need to pay attention to some key things to ensure welding quality and safety. First of all, the preparation before welding th...Read more
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