These test methods for impact testing cover the details
of apparatus, test specimens and procedures for cast iron,
including gray iron, white iron, malleable iron, ductile iron,
and austempered ductile iron, but not including chilled rolls or
rolls with white iron skins.
1.2 The values stated in SI units are to be regarded as the
standard. A companion standard, A 327, lists values in inch-
pound units.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to u