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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 -
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 -
Explore the method of measuring the bending of steel pipes
Seamless steel pipes, straight seam welded steel pipes, forged steel pipes, precision steel pipes, high-precision precision steel pipes, and other steel pipes will cause different degrees of curves in the longitudinal direction (i.e. length direction) of the steel pipe body during the production ...Read more -
How to choose a large diameter 42crmo thick wall 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, you need to consider the following key factors. First, consider the...Read more -
Not all post-weld heat treatments for steel pipes are beneficial
Welding residual stress is caused by the uneven temperature distribution of the weldment caused by welding, the thermal expansion and contraction of the weld metal, etc., so residual stress will inevitably occur with the welding construction. The most common method to eliminate residual stress is...Read more -
The main reasons for choosing spiral steel pipe are as follows
1. Quality assurance: The production of spiral steel pipes strictly adheres to national standards, ensuring reliable quality. At the same time, strict quality control is implemented in every link of its production process, further improving the quality and reliability of the pipeline. 2. Superior...Read more
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