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API 12F : 2008

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

SPECIFICATION FOR SHOP WELDED TANKS FOR STORAGE OF PRODUCTION LIQUIDS
Available format(s)

Hardcopy , PDF

Superseded date

01-16-2019

Language(s)

English

Published date

10-01-2008

1 Scope
  1.1 General
  1.2 Compliance
2 References
3 Definitions
4 Material
  4.1 General
  4.2 Plates
  4.3 Sheets
  4.4 Welding Electrodes
  4.5 Structural Shapes
  4.6 Piping
  4.7 Flanges
  4.8 Couplings
  4.9 Bolting
5 Design
  5.1 General
  5.2 Joint Design Definitions
  5.3 Size of Weld
  5.4 Joint Restrictions
  5.5 Size
  5.6 Bottom Type Design
  5.7 Thickness
  5.8 Joints in Bottom Plates
  5.9 Shell Attachments
  5.10 Shell Thickness Design
  5.11 Shell Joints
  5.12 Deck Type Design
  5.13 Thickness
  5.14 Deck Joints
  5.15 Shell Attachment
  5.16 Cleanout Design
  5.17 Connections Design
  5.18 Anti-channel Drain Baffle Design
  5.19 Downcomer Pipe
6 Venting Requirements
  6.1 Normal Venting
  6.2 Emergency Venting
7 Fabrication, Testing, and Painting
  7.1 Fabrication
  7.2 Welding
  7.3 Testing
  7.4 External Painting
  7.5 Internal Coating
8 Marking
9 Inspection and Rejection
  9.1 Inspection Notice
  9.2 Inspection by Purchaser
  9.3 Rejection
  9.4 Compliance
Annex A (normative) - Specification for Tank Bolting
Annex B (informative) - Recommended Practice for Normal Venting
Annex C (informative) - Recommended Relieving Capacities
Annex D (normative) - Walkways, Stairways, and Ladders
Annex E (informative) - Suggestions for Ordering Shop Welded Tanks
Annex F (informative) - Use of the API Monogram by Licensees

Describes material, design, fabrication, and testing requirements for shop-fabricated vertical, cylindrical, aboveground, closed top, welded steel storage tanks in various standard sizes and capacities for internal pressures approximately atmospheric.

DevelopmentNote
Also available in Chinese edition, see API 12F CHINESE. (01/2014)
DocumentType
Standard
Pages
38
PublisherName
American Petroleum Institute
Status
Superseded
SupersededBy
Supersedes

API 575 : 2014 INSPECTION PRACTICES FOR ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
API 51 : 2001 ONSHORE OIL AND GAS PRODUCTION PRACTICES FOR PROTECTION OF THE ENVIRONMENT
I.S. EN ISO 14224:2016 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT (ISO 14224:2016)
NFPA 1 : 2021 FIRE CODE
NBR 17505-2 : 2013 AMD 1 2015 STORAGE OF FLAMMABLE AND COMBUSTIBLE LIQUIDS - PART 2: TANK AND RECIPIENT STORAGE
ASME B31.4 : 2016 PIPELINE TRANSPORTATION SYSTEMS FOR LIQUIDS AND SLURRIES
API 51 : 2001 : R2013 ONSHORE OIL AND GAS PRODUCTION PRACTICES FOR PROTECTION OF THE ENVIRONMENT
API 2610:2005 DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES
API 2610 : 2005 : R2010 DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES
API 651 : 2014 CATHODIC PROTECTION OF ABOVEGROUND PETROLEUM STORAGE TANKS
ISO 14224:2016 Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment
ICC IPC CODE & COMMENTARY : 2015 IPC® Code and Commentary
API 51R : 2009 ENVIRONMENTAL PROTECTION FOR ONSHORE OIL AND GAS PRODUCTION OPERATIONS AND LEASES
API 51R : 2009 : R2015 ENVIRONMENTAL PROTECTION FOR ONSHORE OIL AND GAS PRODUCTION OPERATIONS AND LEASES
NFPA 30 FRENCH : 1996 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
API 651 CHINESE : 2014 CATHODIC PROTECTION OF ABOVEGROUND PETROLEUM STORAGE TANKS
API 575 CHINESE : 2014 INSPECTION PRACTICES FOR ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
NFPA 1 : 2018 FIRE CODE
BS EN ISO 14224:2016 Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment
PIP VEETA001 : 2016 TANK SELECTION GUIDE

ASME B18.2.1 : 2012 SQUARE, HEX, HEAVY HEX, AND ASKEW HEAD BOLTS AND HEX, HEAVY HEX, HEX FLANGE, LOBED HEAD, AND LAG SCREWS (INCH SERIES)
ASME B31.1 : 2016 POWER PIPING
ASME PV CODE 9 : 2017 BOILER AND PRESSURE VESSEL CODE - WELDING, BRAZING, AND FUSING QUALIFICATIONS - QUALIFICATION STANDARD FOR WELDING, BRAZING, AND FUSING PROCEDURES; WELDERS; BRAZERS; AND WELDING, BRAZING, AND FUSING OPERATORS
API 2000 : 2014 VENTING ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
ASME B16.11 : 2016 FORGED FITTINGS, SOCKET-WELDING AND THREADED
AWS A5.1 : 91(R1999) SPECIFICATION FOR CARBON STEEL ELECTRODES FOR SHIELDED METAL ARC WELDING
API 5L : 2012 LINE PIPE
ASME B16.5 : 2017 PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
ASME B18.2.2 : 2015 NUTS FOR GENERAL APPLICATIONS: MACHINE SCREW NUTS, HEX, SQUARE, HEX FLANGE, AND COUPLING NUTS (INCH SERIES)
ASTM A 285/A285M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength

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