ASTM A815 S32750 Cap, Stainless Steel, 6 Inch, Cold Drawn, Sand Blasting, for Pipe Connection, BW.

Introduction to Stainless Steel Pipe Cap
Stainless steel pipe cap English (Stainless steel caps) also known as plug or head. Purpose: pipe fittings welded to the end of the pipe or threaded to cover the pipe. Used to close the pipe, the function is the same as the plug.
The cap comprises a convex cap, a conical shell, a variable diameter section, a flat cover and a tight port.
Convex tube cap includes: hemispherical tube cap, elliptical tube cap, disc tube cap and ball crown tube cap. From the point of view of force, the hemispherical tube cap is not good, but from the point of view of manufacturing difficulty, it is easy to manufacture.