Size range: 1/2″~48″ (DN15~DN1200)
 Bending radius: R ≥ 3OD (OD is the outer diameter of the tube)
 Bending angle: as specified in the design documents Material grades: carbon steel, alloy steel, stainless steel, etc. Manufacturing process: bending, hot pressing, cold processing, heat treatment, machining Product standards: DL/T515 "Power Station Bends", SY/T5257 "Steel Bends for Oil and Gas Transportation", ASME B16.49 or procurement documents, etc.