Acero de alto carbono
ASTM A227 Class I Cold DrawnAcero de alto carbono
ASTM A229 Class I Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A668 Class H Normalized and temperedNickel Chromium Molybdenum Steel
ASTM A668 Class L Normalized, quenched, and temperedNickel Chromium Molybdenum Steel
ASTM A668 Class J Normalized and tempered, or normalized, quenched, and temperedNickel Chromium Molybdenum Steel
ASTM A668 Class K Normalized, quenched, and temperedNickel Chromium Molybdenum Steel
ASTM A504 Class L Rim-Quenching Treatment