This specification covers untreated and heat-treated steel, closed-impression die forgings (Note 1) for general industrial use.
NOTE 1 - For the definition of a forging, refer General Requirements Specification A 788.
The Grades of forgings are as follows, the choice depending on design and stress or service to be imposed:
Grade CA - Untreated, carbon steel forgings,
Grades CC, CC1, and CE - Annealed, normalized and tempered, carbon steel forgings,
Grade CF - Normalized and tempered carbon steel forgings,
Grade CF1 - Double normalized and tempered carbon steel forgings,
Grade CG - Quenched and tempered, or normalized, quenched and tempered carbon steel forgings,
Grade AA - Annealed, normalized, or normalized and tempered alloy steel forgings,
Grades AB and AC - Normalized and tempered alloy steel forgings, and
Grades AD, AE, AF, AG, and AH - Normalized, quenched, and tempered alloy steel forgings.
The values stated in inch-pound units are to be regarded as the standard.
Footnote * - A Summary of Changes section appears at the end of this standard.