NB/T 20007.43-2016Stainless steel for pressurized water reactor nuclear power plants - Part 43: 022Cr17Ni12Mo2N austenitic stainless steel forgings used for nozzles for reactor coolant piping (English PDF)
压水堆核电厂用不锈钢 第43部分：反应堆冷却剂管道接管座用022Cr17Ni12Mo2N奥氏体不锈钢锻件
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
February 5, 2016
Implementation date
July 1, 2016
Scope
NB/T 20007.43-2016 is the English-translated version of 压水堆核电厂用不锈钢 第43部分：反应堆冷却剂管道接管座用022Cr17Ni12Mo2N奥氏体不锈钢锻件.
NB/T 20007.43-2016 is the Chinese energy industry standard that governs 022Cr17Ni12Mo2N austenitic stainless steel forgings for the nozzles of reactor coolant piping, published as Part 43 of the NB/T 20007 series.
It sets out how such forgings are manufactured, inspected and accepted for service in pressurized water reactor nuclear power plants. Both the grade and the component are fixed: 022Cr17Ni12Mo2N forgings for the coolant pipe socket connections.
Chemical, mechanical and metallographic checks are carried out to GB/T 223, GB/T 228.1-2010, GB/T 230.1, GB/T 4338, GB/T 6394, GB/T 10561-2005, GB/T 11170, GB/T 20066, GB/T 20123 and GB/T 20124, with NB/T 20004-2014 and the NB/T 20328 parts for further method references. Issued on 5 February 2016, it has applied since 1 July 2016.
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Document preview — NB/T 20007.43-2016
National Standard of the People's Republic of China
- ICS
- 77.140.85
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20007.43-2016 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 228.1-2010
GB/T 230.1
GB/T 4338
GB/T 6394
GB/T 10561-2005
GB/T 11170
GB/T 20066
GB/T 20123
GB/T 20124
NB/T 20004-2014
NB/T 20328.2-2015
NB/T 20328.4
......
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 228.1-2010Metallic Materials — Tensile Testing — Part 1: Method of Test at Room Temperature
- GB/T 230.1Metallic materials - Rockwell hardness test - Part 1: Test method
- GB/T 6394Determination of estimating the average grain size of metal
- GB/T 10561-2005Determination of content of nonmetallic inclusions in steel - Micrographic method using standard diagrams
- GB/T 11170Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
- GB/T 20066Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
GB/T 223 · GB/T 4338
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Related Standards
GB/T 11170-2008 — Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
GB/T 20066-2006 — Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
GB/T 20123-2006 — Steel and iron -- Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
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