1/2/2023 0 Comments Astm e446 pdf free(For speci fi c safety precautionary information see Section 15.) 2. It is th e 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 use. 1.4 This sta nda rd does not purpo rt to add re ss all of the sa fe ty pr ob le ms, if an y, asso ci at ed wi th it s use. 1.3 The values stated in i nch-pound units are t o be regarded as standard. N OTE 1-For additional information, refer to Guide E 94, Test Methods E 1030 and E 1032. The quality level required for radiography shall be at least 2 % (2-2T), unless a higher or lower quality is agreed upon by the purchaser and the supplier. 1.2 The number of areas or parts to be ra diographed and the acc ept anc e sta nda rd to be app lie d sha ll be spe ci fi ed in the cont ract, purchase orde r, produ ct speci fi cation, or drawings. Requirements expressed in this method are intended to control the reliability or quality of the radio- gra phi c ima ges, and are not int end ed for contro lli ng the acceptability or quality of materials or products. Sco pe 1.1 This m ethod 2 covers the radiographic testing of materi- als for internal discontinuities, and also the use of fi lm and other recording media. This standard has been approved for use by agencies of the Department of Defense. A supersc ript epsilon ( e ) indicates an editorial change since the last revision or reapproval. A number in parentheses indicates the year of last reapproval. Desi gnati on: E 142 – 92 An American National Sta nda rd Standard Method for Controlling Quality of Radiographic Testing 1 This standard is issued under the fi xed designation E 142 the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |