Steel 4620 AMS Number Alloy Type UNS Cross Ref. Spec Misc./Shape AMS 6294 4620 Steel G46200 AMS 6294 Bar 4620 Steel G46200 - Bar AMS 6294 Carburizing 4620 Steel G46200 - Carburizing AMS 6294 Forging 4620 Steel G46200 - Forging