... . Elbow, Tee, Cross, Reducer, Cap, Flange, Bend Pipe Fittings Features: 1. Description: Black Steel Pipe Fittings2. Specification:1) OD: Seamless 1/2 ... , GB, API6. Surface Treatment: Polishing, Pickling, Antiseptic, Abrasive blasting, HDG, Black painting, Anti-rust varnish, Anti-rust oil, 3PE coating, Epoxy ...