American standard: Materials: ANSI/ASME A197-79,A153 Dimensions: ANSI/ASME B16.3; B16.14; B16.39 Threads: ANSI/ASME B1.20.1
Elbow
Elbow 90 (90)
Street Elbow 90 (92)
Elbow 45 (120)
Street Elbow 45 (121)
Reducing Elbow (90R)
Side Outlet Elbow (221)
Tee & Cross
Caps & Plugs & Locknuts Unions