NB/T 20005.31-2015Carbon steel and low alloy steel for pressurized water reactor nuclear power plants - Part 31: 15Mn forgings for containment vessel (English PDF)
压水堆核电厂用碳钢和低合金钢 第31部分：安全壳用15Mn锻件
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
April 2, 2015
Implementation date
September 1, 2015
Scope
NB/T 20005.31-2015 is the English-translated version of 压水堆核电厂用碳钢和低合金钢 第31部分：安全壳用15Mn锻件.
NB/T 20005.31-2015 is the Chinese energy industry standard for 15Mn forgings used in the containment vessel of pressurized water reactor nuclear power plants, published as Part 31 of the carbon steel and low alloy steel series.
It prescribes how those forgings are made, inspected and accepted. Application is restricted by size, covering 15Mn forgings weighing 4 500 kg or less per piece for plant containment.
It quotes GB/T 223, GB/T 228.1-2010, GB/T 229-2007, GB/T 231.1, GB/T 4336, GB/T 4338, GB/T 6394, GB/T 6803, GB/T 10561-2005, GB/T 20066 and GB/T 20123, and NB/T 20004-2014, NB/T 20328.2-2015 and NB/T 20328.5. Issued on 2 April 2015, it has applied since 1 September 2015.
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Document preview — NB/T 20005.31-2015
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 20005.31-2015 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 223
GB/T 228.1-2010
GB/T 229-2007
GB/T 231.1
GB/T 4336
GB/T 4338
GB/T 6394
GB/T 6803
GB/T 10561-2005
GB/T 20066
GB/T 20123
NB/T 20004-2014
NB/T 20328.2-2015
NB/T 20328.5
......
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 229-2007Metallic Materials — Charpy Pendulum Impact Test Method
- GB/T 231.1Metallic materials - Brinell hardness test - Part 1: Test method
- GB/T 4336Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method)
- GB/T 6394Determination of estimating the average grain size of metal
- GB/T 6803Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels
GB/T 223 · GB/T 4338
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Related Standards
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)
GB/T 223.11-2008 — Iron, steel and alloy -- Determination of chromium content -- Visual titration or potentiometric titration method
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NB/T 20005.31-2015
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