NB/T 20508-2018 Active Industry standards-Energy

NB/T 20508-2018 The steam generator heat transfer tube bellows eddy current detection

Publish Date: 2018-03-22 Implement Date: 2018-09-01 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: NB/T 20508-2018

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Nuclear reactors and nuclear island equipment in nuclear power plants

ICS Name: Nuclear power stations, safety

Publish Date: 2018-03-22

Implement Date: 2018-09-01

Scope

This standard specifies the basic requirements for the eddy current detection of the heat transfer tube bulging profiles of steam generators, including the requirements for inspectors, the equipment, techniques, and methods used for the inspection, as well as recommended acceptance criteria. This standard applies to the eddy current detection of the heat transfer tube bulging profiles of steam generators when using an internally penetrating differential eddy current coil. When using other types of probes for the eddy current detection of the heat transfer tube bulging profiles of steam generators, this standard can also be referenced for implementation.