NB/T 20009.31-2017Welding material for pressurized water reactor nuclear power plants - Part 31: Stainless steel strips and fluxes for cladding of Safety Related components (English PDF)
压水堆核电厂用焊接材料 第31部分：安全级设备不锈钢堆焊用焊带和焊剂
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
February 10, 2017
Implementation date
July 1, 2017
Scope
NB/T 20009.31-2017 is the English-translated version of 压水堆核电厂用焊接材料 第31部分：安全级设备不锈钢堆焊用焊带和焊剂.
NB/T 20009.31-2017 is part 31 of the Chinese energy industry standard on welding materials for pressurized water reactor nuclear power plants, and it deals with stainless steel strips and their fluxes for cladding on safety related components.
It gives the types, the technical requirements, the test methods, the inspection rules, the packaging, the marking and the quality certification documents for stainless steel submerged arc and electroslag surfacing strips and the matching fluxes.
It applies to the strip and flux used for stainless steel surfacing on safety grade equipment of such plants. GB/T 223, GB/T 1954, GB/T 25778, NB/T 20003.2-2010, NB/T 20003.4-2010 and NB/T 20004-2014 are cited, together with ASME BPVC Section II. Issued on 10 February 2017, it has applied since 1 July 2017.
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Document preview — NB/T 20009.31-2017
National Standard of the People's Republic of China
- ICS
- 27.120.20
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20009.31-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 223
GB/T 1954
GB/T 25778
NB/T 20003.2-2010
NB/T 20003.4-2010
NB/T 20004-2014
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1954Methods of measurement for ferrite content in austenitic Cr-Ni stainless steel weld metals
- GB/T 25778Procurement guidelines for welding consumables
- NB/T 20003.2-2010Non-destructive testing for mechanical components in nuclear island of nuclear power plants - Part 2: Ultrasonic testing
- NB/T 20003.4-2010Non-destructive testing for mechanical components in nuclear island of nuclear power plants - Part 4: Penetrant testing
- NB/T 20004-2014Physical and chemical test methods for materials used in nuclear island components of nuclear power plants
GB/T 223
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Related Standards
GB/T 1954-2008 — Methods of measurement for ferrite content in austenitic Cr-Ni stainless steel weld metals
GB/T 223.11-2008 — Iron, steel and alloy -- Determination of chromium content -- Visual titration or potentiometric titration method
GB/T 223.11-2025 — Iron, steel and alloy - Determination of chromium content - Titrimetric method and spectrophotometric method
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NB/T 20009.31-2017
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