Carbon Steel Tee 1) Type: Straight and reducing tee 2) Material: A234-WPB, A420-WPL6, 3) Size: 1/ ... &SR, from 1/2 inch to 72 inch.2. Straight & Reducing TEE from 1/2 inch to 72 inch.3. Concentric ... , 5D etc.welding neck , slip on , socket weld , threaded, lap joint, blind, spectacle, orifice, ring and long welding neck flanges.SIZE ...