This specification covers stainless steel and heat-resisting chromium steel plate, and strips available in a wide variety of surface finishes. The steel shall conform to specified chemical composition requirements. Also, the material shall conform to the specified mechanical property and mechanical test requirements.

1.1 This specification covers stainless and heat-resisting chromium steel plate, sheet, and strip available in a wide variety of surface finishes.

1.2 The values stated in inch-pound units are to be regarded as the standard.

Note 1—Grades that were previously covered in both Specifications A 176 and A 240/A 240M have been removed from this specification and may now be supplied and purchased in compliance with Specification A 240/A 240M. The chemical and mechanical property requirements of these grades were identical in Specifications A 176 and A 240/A 240M at the time of removal from Specification A 176.