Cap type: Weld on, Nominal Pipe Size: 3-1/2 inch Material: Carbon Steel Conforms to ASME SA-234 Grade B, Dimensions per ASME 16.9, Outside Diameter: 4 inch, Inside Diameter: 3.364 inch, Wall Thick: 0.318 inch, Length: 2.5 inch, Pipe Sched: 80, Ship Weight: 3 LBS
Click here for a downloadable and printable specification sheet on extra thick and schedule 80 carbon steel weld on caps