Tee Y Threaded, Socket Weld, and Butt Weld ASME B16.9 Sch 40, Sch 80, Carbon Steel ASTM A234 WPB, Galvanis, Stainless ASTM A403 WP304/WP304L, ASTM A403 WP316/WP316L , Zinc Plated and Hot dip Galvanized Size 2 Inch - 12 Inch