View Historical Standards for B493/B493M:

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Document Designation and Title Year Select Item(s) B493/B493M Standard Specification for Zirconium and Zirconium Alloy Forgings 08 B493 Standard Specification for Zirconium and Zirconium Alloy Forgings 01(2003) B493 Standard Specification for Zirconium and Zirconium Alloy Forgings 01 B493 Standard Specification for Zirconium and Zirconium Alloy Forgings 83(1998)