T/CNS 4-2018 Active Group standards

T/CNS 4-2018 The method for testing the corrosion fatigue behavior of metal materials under high-temperature and high-pressure water conditions in a nuclear power plant

Publish Date: 2018-03-15 Implement Date: 2018-05-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CNS 4-2018

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \n Test methods for the mechanical properties of metals

ICS Name: Mechanical testing of metal materials

Publish Date: 2018-03-15

Implement Date: 2018-05-30

Scope

Scope: This standard specifies the methods and related technical requirements for controlling the axial strain and displacement of metal materials in high-temperature and high-pressure water conditions in nuclear power plants. This standard applies to circular and rectangular cross-sectional specimens with a certain gauge length for axial strain and displacement control corrosion fatigue tests in water media below 360 °C. High-temperature and high-pressure water fatigue tests for product components and other special-shaped specimens can be carried out in accordance with this standard. Main technical content: In the preparation of this section, reference was made to the national standards GB/T 15248-2008 "Method for Axial Equal Amplitude Low Cycle Fatigue Test of Metal Materials", GB/T 3075-2008 "Fatigue Test Method for Metal Materials with Axial Force Control", GB/T 20120.1-2006 "Corrosion and Fatigue Test of Metals and Alloys - Part 1: Cyclic Failure Test", as well as the ASTM standards ASTM E466 "Practice for Conducting Force-Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials" and ASTM E606-04 "Standard Practice for Strain-Controlled Fatigue Testing" related to axial fatigue testing. At the same time, reference was also made to the technical documents on high-temperature and high-pressure water corrosion fatigue testing prepared by the Institute of Metal Research, Chinese Academy of Sciences, and combined with the implementation experience of high-temperature and high-pressure water corrosion fatigue testing of the Chinese Academy of Sciences and related foreign research institutions. The specific technical content is described as follows: (1) To ensure that the fatigue performance obtained from standard specimens can represent the fatigue performance of the parent material and to ensure the validity of the fatigue data, it is stipulated that except for components, the shape and size of standard fatigue specimens shall meet the relevant req