NB/T 47027-2012Stud bolts and nuts for pressure vessel flanges (English PDF)
压力容器法兰用紧固件
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
November 9, 2012
Implementation date
March 1, 2013
Scope
NB/T 47027-2012 is the English-translated version of 压力容器法兰用紧固件.
NB/T 47027-2012 is a recommended Chinese energy industry standard covering the stud bolts and nuts used on pressure vessel flanges. It fixes the types and sizes of these fasteners and states the technical requirements, the inspection and acceptance rules, and the packaging and marking that go with them.
The fasteners concerned are those used on the welding-neck flange of NB/T 47021 and the type B slip-on welding flange of NB/T 47022, among other pressure vessel flanges.
GB 150, GB/T 196, GB/T 197, GB/T 16938, JB/T 4730.4 and NB/T 47020 are cited in its text. It replaces JB/T 4707-2000. Issued on 9 November 2012, it has applied since 1 March 2013.
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Document preview — NB/T 47027-2012
National Standard of the People's Republic of China
- ICS
- 21.060
- Replacing
- JB/T 4707-2000
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 47027-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 150
GB/T 196
GB/T 197
GB/T 16938
JB/T 4730.4
NB/T 47020
......
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 196General purpose metric screw threads - Basic dimensions
- GB/T 197General purpose metric screw threads -- Tolerances
- GB/T 16938Fasteners -- General requirements for bolts, screws, studs and nuts
- JB/T 4730.4Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing
- NB/T 47020Type and Specification for Pressure Vessel Flanges
GB 150
Similar standards
Editions of NB/T 47027
| Edition | Title | Revision | Status |
|---|---|---|---|
| NB/T 47027-2012 | Stud bolts and nuts for pressure vessel flanges | current edition | Current |
| JB/T 4707-2000 | Stud bolts and nuts for pressure vessel flanges | previous edition | Superseded |
This page sells the current edition, NB/T 47027-2012. Earlier editions are listed for reference only.
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Related Standards
GB/T 16938-2008 — Fasteners -- General requirements for bolts, screws, studs and nuts
GB/T 196-2025 — General purpose metric screw threads - Basic dimensions
GB/T 197-2018 — General purpose metric screw threads -- Tolerances
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NB/T 47027-2012
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