NB/T 20007.41-2015Stainless steel for pressurized water reactor nuclear power plants - Part 41: austenitic stainless steel seamless pipes used for reactor vessel internals (English PDF)
压水堆核电厂用不锈钢 第41部分：堆内构件用奥氏体不锈钢无缝钢管
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
July 1, 2015
Implementation date
December 1, 2015
Scope
NB/T 20007.41-2015 is the English-translated version of 压水堆核电厂用不锈钢 第41部分：堆内构件用奥氏体不锈钢无缝钢管.
As Part 41 of the stainless steel series for pressurized water reactor nuclear power plants, NB/T 20007.41-2015 is the Chinese energy industry standard for austenitic stainless steel seamless pipe used in reactor vessel internals.
It lays down the manufacturing, inspection and acceptance requirements for that pipe. The material covered is austenitic stainless steel of grade 05Cr19Ni10 in seamless pipe form for internal reactor components.
The Chinese classification H48 and the international classification 23.040.10 place it with metal pipes for pipeline use. Dimensional and metallographic checks rely on GB/T 246, GB/T 4338, GB/T 6394 and GB/T 10561-2005, alongside GB/T 223, GB/T 228.1-2010, NB/T 20004-2014 and NB/T 20328.2-2015. Issued on 1 July 2015, it has applied since 1 December 2015.
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Document preview — NB/T 20007.41-2015
National Standard of the People's Republic of China
- ICS
- 23.040.10
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20007.41-2015 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 223
GB/T228.1-2010
GB/T 246
GB/T 4338
GB/T 6394
GB/T 10561-2005
GB/T 11170
GB/T 20066
GB/T 20123
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 246Metallic materials -- Tube -- Flattening test
- 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 20123Steel and iron -- Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 223 · GB/T228.1-2010 · 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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