Elbow, Tube Fitting Material 304 Stainless Steel, Fitting Connection Type Butt Weld, Tube Size 2-1/2 in, Pipe Size - Pipe Fitting 2-1/2 in, Overall Length 3 5/8 in, Surface Finish 32 RA ID /32 RA OD, Wall Thickness 0.065 in, Max. Pressure 400 psi at 72 Degrees F, Temp. Range -325 Degrees to 1500 Degrees F, Flange Outside Dia. 2 1/2 in, Standards 3A