90° BLACK MALLEABLE IRON STREET ELBOW, UL/FM Listed

Manufacture: MECH American Standard: Class 150 Material: The chemical composition of the cupola malleable iron used to create this fitting meet the mechanical property requirements (ASTM A197/A197M) Standards: Used for water or gas supply as well as for sewage and wastewater applications (ASME B16.3), Applied a thin layer of zinc on the exterior to prevent corrosion (B16.14) Surface Treatment: Black Threads: Tapered Angle is 1° 47', truncation of roots and crests is flat, Thread Angle is 60°, pitch is measured in threads per inch (ASME B1.20.1)  This 90° Black Malleable Iron Reducing Street Elbow pipe fitting is used to connect one pipe with male threads to a pipe with female threads in order to change the direction of flow at a 90 degree angle.