View Historical Standards for B251:

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Document Designation and Title Year Select Item(s) B251 Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube 02e1 B251 Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube 02 B251 Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube 97 B251 Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube 93