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What factors affect the durability of stainless steel pipes
The durability of stainless steel pipe is affected by many factors, including the following aspects: 1. Chemical composition: The chemical composition of stainless steel has an important impact on its corrosion resistance. The main alloying elements include chromium, nickel, molybdenum, etc. Chro...Read more -
Details of Q345B low alloy steel pipe
Q345B low alloy steel pipe is a high-quality material commonly used in construction, machinery manufacturing, and other fields. It has excellent mechanical properties and processability, and its price is relatively low, so it is favored by the majority of users. 1. Material properties of Q345B lo...Read more -
What precautions should be taken during the processing of channel steel
During the processing of channel steel, some important matters need to be paid attention to ensure processing quality and operating safety. Here are some things to note: 1. Safe operation: Before performing channel steel processing, you must be familiar with and comply with the relevant safety op...Read more -
What is the principle of seamless steel pipe extrusion
Seamless steel pipe extrusion is a commonly used pipe-making process, mainly used to produce seamless steel pipes of various specifications and materials. The principle is as follows: 1. Material selection: First, select appropriate steel billets as raw materials. These steel billets are usually ...Read more -
Painting construction of pressure steel pipe walls of large-diameter internal and external plastic-coated steel pipes
1. Spray painting construction procedures: Manually remove oil stains and welding slag burrs on the pipe wall → sandblast and rust removal Sa2.5 level/Ra60-100μm → spray paint according to the drawing requirements → Quality inspection → Acceptance. 2. Spray painting construction process requireme...Read more -
What are the factors that cause horizontal stripes in spiral seam submerged arc welded steel pipe
First of all, it may be due to the stress of spiral submerged arc welded steel pipes. That is, the residual stress and welding stress after the steel pipe is formed. Secondly due to the presence of hydrogen. For example, the flux is not dried enough, the preheating temperature is insufficient pre...Read more