The difference between the semi-circular tube and the D-shaped tube produced by the cold-pressed cold-drawn rolling process.
Cold-pressed cold-drawn rolling is a common method for processing metal tubes, and semi-circular tubes and D-shaped tubes are two common products. There are certain differences in their shape, use, and processing technology. This article will introduce the differences between these two types of tubes in detail to help readers better understand their characteristics and application scenarios.
1. Shape and appearance.
A semicircular tube is a type of tube with a semicircular cross-section, and its appearance presents a unique curved line. The semicircular cross-section of this tube allows it to be stable under pressure and tensile forces, while also reducing the resistance of the fluid in the tube.
A D-shaped tube is a tube with a D-shaped cross-section, and its appearance is similar to the English letter "D". The D-shaped cross-section of this tube gives it a certain special property when subjected to pressure and tensile forces, and also has a certain fluid resistance reduction effect.
Second, processing technology.
The cold-pressed cold-drawn rolling process is a series of roller extrusions and stretches to gradually shape the metal blank into the desired tube shape. For the production of semi-circular tubes and D-shaped tubes, the processing technology is basically the same, but there are certain differences in the shape and processing parameters of the rollers. Due to the different cross-sectional shapes of the two tubes, the shape of the rollers also needs to be adjusted accordingly to ensure the shape accuracy and surface quality of the final product.
3. Use. Due to the uniqueness of its semicircular cross-sectional shape, semi-circular pipes are often used in occasions that need to withstand large pressure and tensile forces, such as: fluid transportation pipelines in petroleum, chemical, pharmaceutical and other industries, as well as structural support components in machinery, ships and other industries. In addition, it is also widely used in fluid transfer pipelines due to the semicircular cross-sectional shape of the semi-circular pipe that can effectively reduce fluid resistance.
Due to the characteristics of its D-shaped cross-section, D-shaped pipes are often used in occasions that need to withstand certain pressure and tensile force, and at the same time need to control fluid resistance, such as: fluid transportation pipelines in food, beverage and other industries. In addition, due to the D-shaped section of the D-shaped tube with certain structural strength and stability, it is also used in some structural components that need to be supported and fixed.
Fourth, summary. As two common products in the cold-pressed cold-drawn rolling process, there are certain differences in shape, use and processing technology. Understanding the difference between these two types of pipes can help us better select and use them in practical applications to achieve better use results and economic benefits.
Semi-circular steel pipes