Product Information
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Interpretation of “DN300″ in steel pipe specifications.
Steel pipes have a wide range of specifications as an indispensable material in construction, engineering, and manufacturing. Among them, the outer diameter standard is one of the parameters that we need to pay attention to when purchasing and applying steel pipes. Among many ...Read more -
What are the precautions for welding steel pipes
1. Cleaning and Preparation: Before you start welding, make sure all materials are clean and free of oil and rust. Remove any paint or coating from the weld area. Use sandpaper or a wire brush to remove the oxide layer from the surface. 2. Use the correct electrode: Choose the...Read more -
Detail of industrial Q355B seamless steel pipe
First, introduction to Q355B seamless steel pipe 1. Q355B seamless steel pipe straight seam steel pipe refers to the steel pipe whose weld seam is parallel to the longitudinal direction of the steel pipe. 2. Q355B Seamless Steel Pipe When seamless steel pipes and straight-seam...Read more -
How should 40cr seamless steel pipe be quenched and tempered
This article will introduce in detail the chemical composition, mechanical properties, heat treatment, and corresponding steel grade and critical point temperature of 40Cr seamless steel pipe. According to the standard GB/T 3077-2008, the chemical composition of 40Cr steel pip...Read more -
What are the treatment methods for steel pipe welding
First, the importance of steel pipe welding seam treatment. Steel pipe welding seam treatment is an important step to ensure the quality of steel pipe welding. Under normal circumstances, welded steel pipe welds have problems such as welding defects, pores, and cracks. If not ...Read more -
What is the processing allowance of seamless steel pipes
To understand how many millimeters are generally left for the processing allowance of seamless steel pipes, we must first understand the dimensional tolerance range of the product itself. The dimensional tolerance of a product refers to the allowable variation range of the act...Read more -
How to detect the corrosion performance of flanges
The use of flanges in industrial structural parts is mainly to improve the connection function and keep the pipelines sealed and leak-free. However, many flanges will undergo corrosion and aging after being used for some time, thus losing the sealing effect. Therefore It is ve...Read more -
Large diameter straight seam submerged arc welded steel pipe manufacturing technology
Large-diameter straight-slit submerged arc steel pipes are mainly responsible for the pipeline transportation of marine and onshore oil and gas, petroleum and natural gas, coal and mineral pulp, and other media. They are especially suitable for the “West-East Gas Transmi...Read more -
42CrMo seamless steel pipe has excellent performance and diverse applications
Among the many varieties of steel pipes in my country, 42CrMo seamless steel pipe has become an indispensable material in industrial manufacturing due to its unique properties and wide range of uses. First, the excellent performance of 42CrMo seamless steel pipe 1. High...Read more