Discover top-quality seamless heat exchanger tubes from a trusted supplier offering ASTM A179, G10, SS 316L, SEP, and ZPS specifications. These tubes feature an outer diameter of 38.1mm, a wall thickness of 2.77mm, and a length of 7.01mm, designed for 6-inch, 300-lb applications with RF ends. Each tube is meticulously packaged in a secure wooden case for safe transportation.