A forged cap is a type of pipe fitting that is used to close off the end of a pipe. It is made by forging, a process that involves heating the metal and then shaping it under pressure. This makes the forged cap strong and durable.

The technical specifications of a cap will vary depending on the material it is made from, its size, and its intended application. However, some common specifications include:

Material: Carbon steel, stainless steel, alloy steel, copper, brass, etc.
Size: 1/2 inch to 4 inches in diameter
Pressure rating: 100 psi to 2000 psi
Thread type: NPT, BSPT, BSPP, etc.
Finish: Galvanized, hot dipped galvanized, epoxy coated, etc.