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GB/T 50938-2013

Chinese Standard: 'GB/T 50938-2013'
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GB/T 50938-2013
UDC
GB
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Technical code for low temperature steel storage
tanks in petrochemical engineering
石油化工钢制低温储罐技术规范
ISSUED ON. NOVEMBER 1, 2013
IMPLEMENTED ON. JUNE 01, 2014
Issued by. Ministry of Housing and Urban-Rural Development of the
People's Republic of China;
General Administration of Quality Supervision, Inspection
and Quarantine of the People's Republic of China.
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Technical code for low temperature steel storage
tanks in petrochemical engineering
石油化工钢制低温储罐技术规范
Responsibly compiled by. China Petroleum & Chemical Corporation
Approved by. Ministry of Housing and Urban - Rural Development of the
People's Republic of China
IMPLEMENTED ON. JUNE 1, 2014
China Plan Publishing House
2013, Beijing
Table of contents
Foreword ... 6 
1 General provisions ... 8 
2 Terms ... 9 
3 Basic requirements ... 11 
3.1 Tank type ... 11 
3.2 General requirements ... 15 
4 Material ... 18 
4.1 General requirements ... 18 
4.2 Metal tanks ... 18 
4.3 Concrete ... 23 
5 Metal parts design ... 25 
5.1 General requirements ... 25 
5.2 Primary and secondary container ... 27 
5.3 Vapor container ... 33 
5.4 Suspend roof ... 38 
5.5 Pipe ... 38 
5.6 Bottom of primary and secondary container ... 40 
5.7 Primary and secondary container connection ... 41 
5.8 Other requirements ... 41 
6 Concrete components design ... 42 
6.1 General requirements ... 42 
6.2 Liquid tightness ... 43 
6.3 Concrete tanks ... 44 
7 Insulation ... 47 
7.1 Performance characteristics, testing and selection of insulating materials ... 47 
7.2 Outer tank and protection of insulation ... 48 
7.3 Insulation design ... 49 
7.4 Installation ... 53 
8 Metallic parts construction, testing, inspection and acceptation ... 54 
8.1 General requirements ... 54 
8.2 Material management... 54 
8.3 Shop fabrication ... 56 
8.4 Site installation ... 57 
8.5 Welding ... 61 
8.6 Inspection ... 65 
9 Concrete components construction ... 71 
10 Testing... 73 
10.1 Hydrostatic test ... 73 
10.2 Pneumatic test ... 75 
Appendix A Primary physical properties of products ... 78 
Appendix B Design information ... 79 
Appendix C Seismic design ... 81 
Appendix D Testing for reinforced steel ... 82 
Appendix E Insulation materials and purpose ... 84 
Explanation of wording in this code ... 86 
List of quoted standards ... 87 
Foreword
This specification is, in accordance with the requirements of the requirements
of the original Ministry of Construction “Notice on the issuance of 2006
construction standards development and revision plan (second batch)"
(Jianbiao [2006] No.136), jointly compiled by the China Petrochemical
Corporation and Sinopec Luoyang Engineering Co., Ltd.
In the compilation process, the compilation group conducted extensive
investigation and study, conscientiously summed up the practical experience,
consulted the foreign advanced standards, collected opinions extensively,
completed the draft for approval, and finally finalized the draft.
This specification is divided into 10 chapters and 5 appendixes, AND the main
technical content includes. General provisions, terms, basic requirement,
materials, metal parts design, concrete components design, insulation, metallic
parts construction, testing, inspection and acceptation, concrete components
construction, testing, and so on.
As for this specification, the Ministry of Housing and Urban-Rural Development
is responsible for its management, the China Petrochemical Corporation is
responsible for daily management, AND the SINOPEC Luoyang Engineering
Co., Ltd is responsible for the interpretation of the specific technical contents.
Any opinions and suggestions on this specification in the implementation
process please send to SINOPEC Luoyang Engineering Co., Ltd. (Address.
No.27 Zhongzhou West Road, Luoyang City, Henan Province, Postal Code.
471003) for future reference during revision.
The responsible drafting unit, participating drafting unit, participating unit, main
drafters and the main examiners of this specification are as follows.
Responsible drafting units. China Petroleum & Chemical Corporation
SINOPEC Luoyang Engineering Co., Ltd
Participating drafting units. SINOPEC N......
Related standard:   GB/T 50934-2013  GB/T 51246-2017
   
 
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