Black Iron Tee Ref.SH40638 • Certificate: UL Listed/ FM Approved• Material: ASTM A-197• Threads: ANSI/ASME b1.20.1• Dimension: ANSI/ASME B16.3 – B16.14 – B16.39 Technical specifications PDF Technical specifications RefSizeMaterialMI 150 Tee1″ASTM A-197MI 150 Tee1 1/2″ASTM A-197MI 150 Tee2″ASTM A-197MI 150 Tee2 1/2″ASTM A-197MI 150 Tee3″ASTM A-197MI 150 Tee3 1/2″ASTM A-197MI 150 Tee4″ASTM A-197