Concentricity explanation for seamless steel pipe

Manufacturing process for seamless steel pipe is special as its production process’s temperature would be 2200 °F. Due to the particular temperature, we will see special concentricity among seamless steel pipe too. Today, we will take steel pipe of ASTM standard for example. First of all, we wholesale various ASTM steel pipe and you can have a view for it. Second, we can make detailed explanation for it. ASTM standard allows the wall thickness difference of seamless pipes is bigger than the welded pipes'. Under this situation, it is made with precision cold-rolled plates(4-5 feet) per roll width. These would make the wall thickness has a huge range and finally give influence on the final product. We finally get the suitable one from various standards from them.