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    ASTM E381-20

    Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
    • 발행일 : 2020-05-01
    • 발행기관 : ASTM
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상세정보

분야 03.01 : 금속-기계적 시험;가열 및 저온시험;금속 조직학
적용범위

1.1 Macroetching, which is the etching of specimens for macrostructural examination at low magnifications, is a frequently used technique for evaluating steel products such as bars, billets, blooms, and forgings.

1.2 Included in this method is a procedure for rating steel specimens by a graded series of photographs showing the incidence of certain conditions. The method is limited in application to bars, billets, blooms, and forgings of carbon and low alloy steels.

1.3 A number of different etching reagents may be used depending upon the type of examination to be made. Steels react differently to etching reagents because of variations in chemical composition, method of manufacture, heat treatment and many other variables. Establishment of general standards for acceptance or rejection for all conditions is impractical as some conditions must be considered relative to the part in which it occurs.

1.4 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 appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See the specific precautionary statement in 5.3.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
국제분류(ICS)코드 77.140.85 : 철강 단조
페이지수 5
Edition 20

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM E381-22상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2022-06-01 표준
2 ASTM E381-22 REDLINE상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2022-06-01 표준
3 ASTM E381-20상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2020-05-01 구판
4 ASTM E381-20 REDLINE상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2020-05-01 구판
5 ASTM E381-17 REDLINE상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2017-06-01 구판
6 ASTM E381-17상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2017-06-01 구판
7 ASTM E381-01(2012)상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2012-10-01 구판
8 ASTM E381-01(2006)상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2006-10-01 구판
9 ASTM E381-98상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2001-04-10 구판
10 ASTM E381-01상세보기 Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings 2001-04-10 구판

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