1. Problem posing The unified technical regulations usually include that “austenitic stainless steel flange vessels are used in environments that may cause intergranular corrosion, and solution or stabilization treatment shall be carried out after welding”. Such requirements have their own rationality. However, even if the designer puts forward this item in the technical requirements of the […]

Flanges, Butt welding Fittings, Socket Weld Fittings, Threaded Fittings – EN10204 3.1 Inspection Certificate Cangzhou Enfei Pipe Equipment Co., Ltd. strictly controls product quality and strictly tests the following products, including: Flanges:  Slip-On Flanges,Weld Neck Flanges,Blind Flanges, Lap Joint Flanges, Ring Type Joint Flanges,Threaded Flanges,Socket Weld Flanges, Reducing Flanges, Plate Flanges, Forged Flanges,Square Flanges,Spectacle Blind