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Document Designation and Title Year Select Item(s) A409/A409M Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service 08a A409/A409M Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service 08 A409/A409M Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service 01(2005) A409/A409M Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service 01 A409/A409M Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service 95ae1