The weld overlay flanges adopts advanced automatic weld overlay technology, with low-cost carbon steel or low-alloy steel as the base, and a layer of corrosion-resistant alloy (such as nickel-based alloy 825, 625, 316L stainless steel, etc.) surfaced on the flange sealing surface and key contact parts. It combines the high strength of the base and the excellent corrosion resistance of the surfacing layer, replacing traditional pure alloy flanges, greatly reducing material costs, and meeting the harsh requirements of high-end working conditions.

Core Process Advantages: The surfacing layer is uniform and dense, with controllable dilution rate, featuring excellent corrosion resistance, high-temperature resistance and wear resistance, capable of. It can withstanding corrosive media such as hydrogen sulfide, carbon dioxide and seawater, and is accurately adapted to designated high-end industry scenarios: oil and gas (offshore oil and gas platforms, flange supporting for oil and gas transmission pipeline flange supportings), chemical industry (chemical reactors, flange connection for corrosive pipeline flange connections), marine engineering (offshore platform flange supportingflange supporting for offshore platforms), electric power (power plant high-temperature and high-pressure pipeline flanges in power plants), etc. Adopting advanced welding methods such as GTAW, combined with subsequent precision processing and non-destructive testing, ensures stable and reliable product quality. The specifications cover various standard flanges, and special sizes and surfacing materials can be customized. It is used in conjunction with surfacing composite steel pipes to form a complete has both economy and reliability.