This standard is issued under the fixed designation A193/A193M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon  indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.

An analysis of each heat of steel shall be made by the manufacturer to determine the percentages of the elements specified in Section 7. The chemical composition thus deter- mined shall be reported to the purchaser or the purchaser’s representative, and shall conform to the requirements specified in Section 7. Should the purchaser deem it necessary to have the transition zone of two heats sequentially cast discarded, the purchaser shall invoke Supplementary Requirement S3 of Specification A788/A788M.

Tension tests are not required to be made on bolts, screws, studs, or stud bolts that are fabricated from heat-treated bars furnished in accordance with the requirements of this specification and tested in accordance with 12.1, provided they are not given a subsequent heat treatment.