Seamless pipes are high-quality pipes made from a solid cylindrical steel billet, which is heated and formed into a pipe through a piercing process. They have no welded seams, ensuring a uniform composition throughout the entire pipe and making them ideal for high-pressure and high-temperature environments. Seamless pipes are widely used in various applications such as the oil and gas industry, chemical processing, and medical equipment due to their excellent strength and corrosion resistance. Additionally, their smooth interior surface minimizes friction, making them suitable for applications requiring the efficient flow of liquids or gases.

ASTM 1045 Seamle Steel pipe is a high-quality carbon structural steel tube with a carbon content of 0.42-0.50%, a tensile strength of 610MPa, and a yield point of 360MPa; it is used for general shaft parts.