View Historical Standards for A181/A181M:

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Document Designation and Title Year Select Item(s) A181/A181M Standard Specification for Carbon Steel Forgings, for General-Purpose Piping 06(2011) A181/A181M Standard Specification for Carbon Steel Forgings, for General-Purpose Piping 06 A181/A181M Standard Specification for Carbon Steel Forgings, for General-Purpose Piping 01 A181/A181M Standard Specification for Carbon Steel Forgings, for General-Purpose Piping 00