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Database: 189760 (11 Oct 2025)
NB/T 20328.2-2015 English PDF
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NB/T 20328.2-2015
: Another code of non-destructive testing for mechanical components in nuclear island of nuclear power plants - Part2: Ultrasonic testing
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Standard ID
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Standard Title (Description)
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NB/T 20328.2-2015
English
1869
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Another code of non-destructive testing for mechanical components in nuclear island of nuclear power plants - Part2: Ultrasonic testing
Valid
NB/T 20328.2-2015
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Basic data
Standard ID
NB/T 20328.2-2015 (NB/T20328.2-2015)
Description (Translated English)
Another code of non-destructive testing for mechanical components in nuclear island of nuclear power plants - Part2: Ultrasonic testing
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
H26
Classification of International Standard
19.100; 77.040.20
Word Count Estimation
81,833
Date of Issue
2015-04-02
Date of Implementation
2015-09-01
Quoted Standard
GB/T 12604.1; GB/T 19799.1; GB/T 19799.2; JB/T 8428; JB/T 10061; JB/T 10062; NB/T 20328.1
Regulation (derived from)
?Energy Bureau Announcement 2015 No. 3
Issuing agency(ies)
National Energy Administration
Summary
This standard specifies: - Island nuclear materials and machinery and equipment used weld A type pulse echo ultrasonic testing common technical requirements and acceptance criteria; - contacting ultrasonic pulse echo measurements of the workpiece thickness of the technical requirements; - Annex It specifies additional test requirements and acceptance criteria for specific types of artifacts. This standard applies to nuclear island mechanical equipment sheet metal, castings, forgings, forging rolling bar, bolts, pipes and other raw materials and spare parts as well as welded joints, buttering, ultrasonic testing in the manufacturing and installation of the surfacing layer.