API 650 stainless and carbon steel tank open-ended pipes
API 650 internal floating roof tanks are generally called internal floating roof tanks, floating roof tanks, internal floating disk storage tanks, internal floating disk tanks, etc., specifically referring to API 650 storage tanks and oil tanks with aluminum, stainless steel, etc. The API 650 stainless and carbon steel tank inner floating roof of series material is an environmentally friendly and economical storage tank that prevents liquid from volatilizing.
According to the standard of head of API 650 stainless and carbon steel tank, there should be no crack, delamination, inclusion and other defects on the groove surface, which is consistent with the steel plate standard. The API 650 stainless and carbon steel tank head polishing can adopt different technology according to different requirements, including rough polishing, medium polishing and fine polishing. Only the materials used for the third type of pressure vessels must be retested, and the materials used for the first and second class pressure vessels are not generally re inspected.
API 620 storage tanks relative standard for referenceASTM A106 Seamless Carbon Steel Pipe for High-Temperature ServiceASTM A131 Shipbuilding Structural Steel for API 650 stainless and carbon steel tankASTM A134 Welded Steel PipeASTM A182 Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature ServiceASTM A193 Alloy-Steel and Stainless Bolting MaterialsASTM A194 Carbon and Alloy Steel Nuts for Bolts for High-Pressure and High-Temperature ServiceASTM A213 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat Exchanger TubesASTM A240 Stainless Steel Plate, Sheet, and Strip for Pressure VesselsASTM A283 Low and Intermediate Tensile Strength Carbon Steel Plates
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