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ASTM E185 - 25
Standard Practice for Design of Surveillance Programs for Light-Water Moderated Nuclear Power Reactor Vessels
| Fecha edición: |
2025-06-01
En Vigor
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|---|---|
| Idiomas disponibles: | Inglés |
| Resumen: | |
| Scope: | 1.1 This practice covers procedures for designing a surveillance program for monitoring the radiation-induced changes in the mechanical properties of ferritic materials in light-water moderated nuclear power reactor vessels. New advanced light-water small modular reactor designs with a nominal design output of 300 MWe or less have not been specifically considered in this practice. This practice includes the minimum requirements for the design of a surveillance program, selection of vessel material to be included, and the initial schedule for evaluation of materials. 1.2 This practice was developed for all light-water moderated nuclear power reactor vessels for which the predicted maximum fast neutron fluence (E > 1 MeV) exceeds 1 × 1021 neutrons/m2 (1 × 1017 n/cm2) at the inside surface of the ferritic steel reactor vessel. 1.3 This practice does not provide specific procedures for monitoring the radiation-induced changes in properties beyond the design life. Practice E2215 addresses changes to the withdrawal schedule during and beyond the design life. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. Note 1: The increased complexity of the requirements for a light-water moderated nuclear power reactor vessel surveillance program has necessitated the separation of the requirements into three related standards. Practice E185 describes the minimum requirements for design of a surveillance program. Practice E2215 describes the procedures for testing and evaluation of surveillance capsules removed from a reactor vessel. Guide E636 provides guidance for conducting additional mechanical tests. A summary of the many major revisions to Practice E185 since its original issuance is contained in Appendix X2. Note 2: This practice applies only to the planning and design of surveillance programs for reactor vessels designed and built after the effective date of this practice. Previous versions of Practice E185 apply to earlier reactor vessels. See Appendix X2. 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. |
| ICS: | 27.120.10 - Ingeniería de reactores |
| CTN: | E10.02 - E10.02 |
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Anulaciones Normas |
Anula a E185 - 21 |
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Otras Relaciones |
Es referenciada por E706 - 23 Es referenciada por E531 - 24 Es referenciada por E1214 - 11(2023) Es referenciada por E1253 - 21 Es referenciada por E2215 - 24 Es referenciada por E1006 - 21 Es referenciada por E636 - 20 Es referenciada por E1018 - 20e1 Es referenciada por E853 - 25 Es referenciada por E1005 - 21 Es referenciada por E1297 - 18 Es referenciada por E509/E509M - 21 Es referenciada por E2956 - 25 Es referenciada por E900 - 21 |










