Nipple Inside Diameter 1 3/4 in Material Stainless Steel Maximum Operating Pressure 150 psi Maximum Operating Temperature 450 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -60 Degrees F Nominal Pipe Size 1 1/2 in Outside Diameter 2 in Overall Length 11 in Schedule Schedule 40 Standards ASTM A733 Thread Configuration Threaded on Both Ends Wall Thickness 0.188 in