First, acceptance of straight seam steel pipes:1. The inspection and acceptance of straight seam steel pipes shall be carried out by the supplier's technical supervision department.2. The supplier shall ensure that the delivered straight seam steel pipes meet the requirements of the corresponding pr
First, precautions for storing straight seam steel pipes: Most merchants do not use straight seam steel pipes quickly after purchasing them. So do we have anything to pay attention to in the storage of straight seam steel pipes? The staff of the straight seam steel pipe manufacturer reminded us that
First, domestic understanding of thick-walled steel pipes:Thick-walled steel pipes refer to steel pipes with a ratio of outer diameter to wall thickness of less than 20. They are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and h
1. Suitable welding rods for A105 steel pipe fittings: structural steel welding rods, such as J426, J427 welding rods, etc.2. A105 is the American ASTM standard number, and A represents ordinary carbon structural steel. Standard name: Carbon steel forgings for pipeline components. Because this stand
First, steel elbowThe most commonly used is seamless elbow, which is divided into long-radius elbow and short-radius elbow. Among them, long radius elbow is the most commonly used elbow and its application is also very wide.Second, elbows are distinguished by specifications: Small and medium-sized a
About the production process of forged flanges:The forging process generally consists of the following steps, namely, selecting high-quality steel billets for blanking, heating, forming, and cooling after forging. The forging process methods include free forging, die forging, and membrane forging. D
After packaging and bundling, thin-walled stainless steel pipes should be stored in a dry and clean environment without corrosive gases to avoid being piled up with other items. Because the surface of stainless steel is relatively smooth and bright, and it is a metal product, it should be carefully
First, the characteristics of fire-fighting plastic-coated steel pipes:1. Sanitary and non-toxic, no scale accumulation, no microbial growth, and guaranteed fluid quality.2. Strong flame retardancy. Under the combustion test, the coating has no spontaneous combustion phenomenon and does not fall off
1. Introduction to 310 stainless steel pipeAt room temperature, the matrix structure of austenitic stainless steel 310 is pure γ. Its chemical composition in GB/T 24511-2017 is shown in the screenshot below. Because its nominal content of chromium and nickel is 25% and 20% respectively, 310 is also
Hot-rolled seamless steel pipe is an important material widely used in the field of engineering construction, and Q345B hot-rolled seamless steel pipe, as one of them, has excellent performance and diverse applications.1. Material characteristics of Q345B hot-rolled seamless steel pipeQ345B hot-roll