ALLOY STEEL OTHER SPECIFICATIONS Alloy Steels 4130 AISI4130AMS 6348AMS 6350AMS 6351AMS 6360AMS 6361AMS 6362AMS 6370AMS 6371AMS 6373AMS 6374AMS 6528AMS 7496ASTM A29ASTM A322ASTM A331ASTM A506ASTM A507ASTM A513ASTM A519ASTM A646 (FORGING – OPEN DIE)ASTM A752ASTM A829 (PLATE)MIL S-18729MIL S-6758SAE J1397SAE J404SAE J412UNS G41300