ASTM A903 PDFJune 21, 2020
ASTM A SPECIFICATION FOR STEEL CASTINGS, SURFACE ACCEPTANCE STANDARDS, MAGNETIC PARTICLES AND LIQUID PENETRANT. ASTM AM _ 99 R03 by sekharsappa in Types > School Work and standard. Find the most up-to-date version of ASTM A/AM at Engineering
|Published (Last):||26 June 2016|
|PDF File Size:||19.88 Mb|
|ePub File Size:||16.38 Mb|
|Price:||Free* [*Free Regsitration Required]|
A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Within the text the SI units are shown in brackets.
ASTM A AM() 钢铸件磁粉探伤和荧光渗透检验的表面验收标准_百度文库
The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. Combining values from the two systems may result in a nonconformance with this speci? Only indications whose major dimension exceeds 1?
Evaluation of Indications 6. However, false indications may be produced by localized surface irregularities, metallurgical discontinuities, or magnetic permeability variations.
Any indication in excess ast the acceptance criteria which is believed to be false may be reexamined. Surface conditioning may precede reexamination. When agreed upon between the manufacturer and purchaser, the liquid penetrant method may be used to verify the presence of surface discontinuities which had been previously indicated by the magnetic particle method.
ASTM A903/A903M – 99(2017)
Current edition approved Oct. Originally approved in ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service satm.