Steel Cronidur 30 AMS Number Alloy Type UNS Cross Ref. Spec Misc./Shape AMS 5898 Cronidur 30 Steel - AMS 5898 Bar Cronidur 30 Steel - - Bar AMS 5898 Forging Cronidur 30 Steel - - Forging AMS 5898 Wire Cronidur 30 Steel - - Wire