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PD 7777:2000

Current
Current

The latest, up-to-date edition.

Alternative steel selection and its effect on design and testing of tanks to BS 7777
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-15-2000

Committees responsible
Foreword
Introduction
1 Scope
2 Normative references
3 Materials
4 Design and manufacture
Bibliography
Table 1 - Suitable steels
Table 2 - Longitudinal Charpy V-notch impact test
          requirements
Table 3 - Required nil-ductility transition
          temperatures and minimum test temperatures for
          no-break results
Table 4 - Dropweight specimen type
Figure 1- Schematic longitudinal section through HAZ
          dropweight test specimen with high Ni weld
          metal

Recommends an alternative basis of material selection for ferritic steels intended for use in low temperature storage tanks for storing refrigerated liquefied gases to that defined in BS 7777. Not applicable to refrigerated ammonia tanks where other factors that affect material selection to resist stress corrosion cracking could be at variance with recommendations of this Published Document.

This Published Document gives recommendations for an alternative basis of material selection for ferritic steels for use in low temperature storage tanks for the storage of refrigerated liquefied gases to that specified in BS 7777.

This Published Document does not apply to refrigerated ammonia tanks, since other factors affecting the material selection to resist stress corrosion cracking could be at variance with the recommendations of this Published Document.

Committee
PVE/15
DevelopmentNote
Supersedes 99/710678 DC. (08/2005) Reviewed and confirmed by BSI, January 2013. (12/2012)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current
Supersedes

EEMUA 147 : 2016 RECOMMENDATIONS FOR REFRIGERATED LIQUEFIED GAS STORAGE TANKS

BS 7777-2:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single, double and full containment metal tanks for the storage of liquefied gas at temperatures down to -165°C
BS EN 10028-1:2017 Flat products made of steels for pressure purposes General requirements
BS EN 10028-4:2017 Flat products made of steels for pressure purposes Nickel alloy steels with specified low temperature properties
BS 7777-4:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon
BS 7777-3:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Recommendations for the design and construction of prestressed and reinforced concrete tanks and tank foundations, and for the design and installation of tank insulation, tank liners and tank coatings
BS 7777-1:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Guide to the general provisions applying for design, construction, installation and operation

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