Material Notes:Medium low-carbon steel, has good weldability and slightly better machinability than the lower carbon steels. Key Words:carbon steels, AMS 5069, ASTM A108, UNS G10180, AS 1442 K1018 (Australia), AS 1443 K1018, CSN 12020 (Czech), CSN 12022, AFNOR NF A33-101 AF42C20, DIN...