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    ASTM F519-97e2

    Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating Processes and Service Environments
    • 발행일 : 2000-06-26
    • 발행기관 : ASTM
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분야 15.03 : 공간시물레이션; 항공우주재료; 고율섬유와 합성물
적용범위

1.1 This test method covers mechanical tests for the evaluation and control of the potential for hydrogen embrittlement that may arise from various sources of hydrogen as in plating processes, from fluids, cleaning treatments, maintenance chemicals, and gaseous environments that may contact the surface of steels.

1.2 The procedures and requirements are specified for five types of test specimens using a heat of AISI E4340 steel with demonstrated sensitivity. This test method is not intended to measure the relative susceptibility of other steels.

1.3 This test method assumes that AISI E4340 steel at 51HRC-54HRC, determined to be sensitive as specified in Table 1, is the worst case; that is, all other heat treated, high-hardness steels are less susceptible to hydrogen embrittlement.

1.4 For testing maintenance chemicals, the containment chamber must be isolated around the test specimen, as shown in Fig. 1 for Type 1a. If the test specimen and self-loading frame are to be immersed into the maintenance chemical, then the test fixture must be made from AISI E4340 steel except that it can be vacuum melted and heat treated to a lower hardness by tempering at 482 + 14°C (900 + 25°F) to a hardness of 40HRC-43HRC. This is done in order to minimize any polarization effects of galvanic coupling that would influence the test results.

1.5 Specimen geometries, equivalent loading conditions, and the pass/fail requirements for each type are also specified.

1.6 Classification -Hydrogen embrittlement tests can be performed with specimens as specified in the following:

1.6.1 Type 1-Notched:

1.6.1.1 Type 1a -Round bar, loaded in tension, under constant load.

1.6.1.2 Type 1b -Round bar, loaded in tension, with self-loading ring.

1.6.1.3 Type 1c -Round bar loaded in bending with self-loading frame.

1.6.1.4 Type 1d -C-rings loaded in bending with self-loading bolt.

1.6.2 Type 2 -Smooth (Unnotched).

1.6.2.1 Type 2a -Ring specimens loaded in bending with displacement bars.

1.7 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.8 This test method is limited to hydrogen embrittlement testing of steels that are exposed to the following:

1.8.1 An electrochemical plating process.

1.8.2 Maintenance chemicals, subsequent to cadmium plate.

1.9 The values stated in acceptable metric units shall be regarded as the standard.

국제분류(ICS)코드
페이지수 12
Edition 97e2

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM F519-23상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2023-12-01 표준
2 ASTM F519-23 REDLINE상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2023-12-01 표준
3 ASTM F519-18상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2018-11-01 구판
4 ASTM F519-18 REDLINE상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2018-11-01 구판
5 ASTM F519-17a상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2017-12-01 구판
6 ASTM F519-17상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2017-03-01 구판
7 ASTM F519-13상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2013-12-01 구판
8 ASTM F519-12a상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2012-11-15 구판
9 ASTM F519-12상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2012-06-01 구판
10 ASTM F519-10상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2010-12-01 구판
11 ASTM F519-08상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2008-05-01 구판
12 ASTM F519-06e2상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2006-07-01 구판
13 ASTM F519-06e1상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2006-07-01 구판
14 ASTM F519-06상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments 2006-07-01 구판
15 ASTM F519-05상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating Processes and Service Environments 2005-04-01 구판
16 ASTM F519-97e2상세보기 Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating Processes and Service Environments 2000-06-26 구판

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