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Engineering StandardSAES-L-13323 January 2012Corrosion Protection Requirementsfor Pipelines, Piping and Process EquipmentDocument Responsibility: Materials and Corrosion Control Standards CommitteeSaudi Aramco DeskTop StandardsTable of Contents1Scope. 22Conflicts and Deviations. 23References. 24Definitions. 85Minimum Mandatory Requirements. 106Determining Corrosive andCrack-Inducing Environments. 117Corrosion and Cracking Control Measures. 158Corrosion Management ProgramRequirements for New Projectsand Major Facilities Upgrades. 289Corrosion Monitoring Facilities. 37Appendices – Technical Modulesfor Refinery Services. 42Previous Issue: 27 September 2011 Next Planned Update: 18 July 2014Revised paragraphs are indicated in the right marginPrimary contact: Ghamdi, Sami Mohammed on 966-3-8809573Copyright Saudi Aramco 2011. All rights reserved.Page 1 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process Equipment1ScopeThis standard specifies minimum mandatory measures to control internal and externalcorrosion, and environmental cracking for onshore and offshore pipelines, structures,plant and platform piping, wellhead piping, well casings, and other pressure-retainingprocess and ancillary equipment.The corrosion control measures specified herein are to be applied during design,construction, operation, maintenance, and repair of such facilities.23Conflicts and Deviations2.1Any conflicts between this standard and other applicable Saudi AramcoEngineering Standards (SAESs), Materials System Specifications (SAMSSs),Standard Drawings (SASDs) or industry standards, codes and forms shall beresolved in writing by the Company or Buyer Representative through theManager, Consulting Services Department, Saudi Aramco, Dhahran.2.2Direct all requests to deviate from this standard in writing to the Company orBuyer Representative, who shall follow internal company procedure SAEP-302and forward such requests to the Manager, Consulting Services Department,Saudi Aramco, Dhahran.ReferencesThe selection of material and equipment, and the design, construction, maintenance, andrepair of equipment and facilities covered by this standard shall comply with all SaudiAramco Mandatory Engineering Requirements, with particular emphasis on thedocuments listed below. Unless otherwise stated, the most recent edition of eachdocument shall be used.3.1Saudi Aramco ReferencesSaudi Aramco Engineering ProceduresSAEP-20Equipment Inspection ScheduleSAEP-122Project RecordsSAEP-302Instructions for Obtaining a Waiver of aMandatory Saudi Aramco EngineeringRequirementSAEP-316Performance Qualification of Coating PersonnelSAEP-332Cathodic Protection CommissioningPage 2 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process EquipmentSAEP-333Cathodic Protection MonitoringSAEP-343Risk Based Inspection (RBI) for In-Plant StaticEquipment and PipingSAEP-345Composite Non-metallic Repair Systems forPipelines and PipeworkSAEP-1026Boiler Lay-Up ProcedureSAEP-1135On-Stream Inspection AdministrationSaudi Aramco Engineering StandardsSAES-A-007Hydrostatic Testing Fluids and Lay-UpProceduresSAES-A-205Oilfield ChemicalsSAES-A-206Positive Materials IdentificationSAES-A-208Water Treatment ChemicalsSAES-B-006Fireproofing for PlantsSAES-D-001Design Criteria for Pressure VesselsSAES-H-001Coating Selection and Application Requirementsfor Industrial Plants and EquipmentSAES-H-002Internal and External Coatings for Steel Pipelinesand PipingSAES-H-004Protective Coating Selection and ApplicationRequirements for Offshore Structures andFacilitiesSAES-J-801Control BuildingsSAES-L-100Applicable Codes and Standards for PressurePiping SystemSAES-L-105Piping Material SpecificationsSAES-L-109Selection of Flanges, Stud Bolts and GasketsSAES-L-132Material Selection for Piping SystemsSAES-L-136Restrictions on the Use of Line PipeSAES-L-310Design of Plant PipingSAES-L-410Design of PipelinesSAES-L-420Scraper Trap Station and AppurtenancesSAES-L-610Nonmetallic Piping in Oily Water ServicesPage 3 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process EquipmentSAES-M-005Design and Construction of Fixed OffshorePlatformsSAES-W-010Welding Requirements for Pressure VesselsSAES-W-011Welding Requirements for On-Plot PipingSAES-W-012Welding Requirements for PipelinesSAES-X-300Cathodic Protection of Marine StructuresSAES-X-400Cathodic Protection of Buried PipelinesSAES-X-500Cathodic Protection of Vessel and Tank InternalsSAES-X-600Cathodic Protection of Plant FacilitiesSAES-X-700Cathodic Protection of Onshore Well CasingsSaudi Aramco Materials System Specifications01-SAMSS-016Qualification of Storage Tanks and PressuredEquipment for Resistance to Hydrogen-InducedCracking01-SAMSS-023Intrusive Online Corrosion Monitoring01-SAMSS-025Specification for Heavy DutyPolytetrafluorethylene (PTFE) andPerfluoroalkoxy (PFA) Lined Carbon SteelPipe and Fittings01-SAMSS-029RTR (Fiberglass) Sewer Pipe and Fittings forGravity Flow01-SAMSS-034RTR (Fiberglass) Pressure Pipe and Fittings01-SAMSS-035API Line Pipe01-SAMSS-038Small Quantity Purchase of Pipe from Stockist01-SAMSS-042Reinforced Thermoset Resin (RTR) Pipe andFittings in Water and Hydrocarbon Services01-SAMSS-043Carbon Steel Pipes for On-Plot Piping01-SAMSS-045Qualification Requirements for CompositeMaterials used in Lined Carbon SteelDownhole Tubing and Casing01-SAMSS-046Stainless Steel Pipe01-SAMSS-333High Frequency Welded Line Pipe02-SAMSS-005Butt Welding Pipe FittingsPage 4 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process Equipment02-SAMSS-011Forged Steel and Alloy Flanges23-SAMSS-0733D Asset Virtualization Tool32-SAMSS-004Manufacture of Pressure Vessels32-SAMSS-007Manufacture of Shell and Tube Heat Exchangers32-SAMSS-011Manufacture of Air-Cooled Heat ExchangersSaudi Aramco Best PracticesSABP-A-001Polythionic Acid SCC Mitigation - MaterialsSelection and Effective Protection of AusteniticStainless Steels and Other Austenitic AlloysSABP-A-013Corrosion Control in Amine UnitsSABP-A-014Atmospheric Oil Degassing, Spheroids andStabilizers Corrosion ControlSABP-A-015Chemical Injection SystemsSABP-A-016Crude Unit Corrosion ControlSABP-A-018GOSP Corrosion ControlSABP-A-019Pipelines Corrosion ControlSABP-A-020Corrosion Control in Sulfur RecoverySABP-A-021Corrosion Control in Desalination PlantsSABP-A-025Corrosion Control in Vacuum Distillation UnitsSABP-A-026Cooling Systems Corrosion ControlSABP-A-029Corrosion Control in BoilersSABP-A-033Corrosion Management Program (CMP) Manual- Basic Requirements and DeploymentActivities (to be published in 2012)Saudi Aramco DrawingsStandard Drawing AA-036242Library Drawing DA-950035, 2005Saudi Aramco Inspection Procedures00-SAIP-74Inspection of Corrosion under Insulation andFireproofing01-SAIP-04Injection Point Inspection ProgramPage 5 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process Equipment3.2Industry Codes and StandardsAmerican Petroleum InstituteAPI RP 571Damage Mechanisms Affecting Fixed Equipmentin the Refining IndustryAPI RP 578Material Verification Program for New andExisting Alloy Piping SystemsAPI RP 579-1/ASME FFS-1 Fitness-for-ServiceAPI RP 580Risk Based InspectionAPI RP 581Risk-Based Inspection TechnologyAPI RP 584Integrity Operating WindowAPI PUBL 932-AA Study of Corrosion in Hydroprocess ReactorEffluent Air Cooler SystemsAPI RP 932-BDesign, Materials, Fabrication, Operation, andInspection Guidelines for Corrosion Control inHydroprocessing Reactor Effluent Air Cooler(REAC) SystemsAPI RP 934-AMaterials and Fabrication of 2¼Cr-1Mo, 2¼Cr1Mo-¼V, 3Cr-1Mo, and 3Cr-1Mo-¼V SteelHeavy Wall Pressure Vessels for Hightemperature, High-pressure Hydrogen ServiceAPI RP 934-CMaterials and Fabrication of 1 1/4Cr-1/2Mo SteelHeavy Wall Pressure Vessels for High-pressureHydrogen Service Operating at or Below825 F (441 C)API RP 939-CGuidelines for Avoiding Sulfidation (Sulfidic)Corrosion Failures in Oil RefineriesAPI RP 941Steels for Hydrogen Service at ElevatedTemperatures and Pressures in PetroleumRefineries and Petrochemical PlantsAPI RP 945Avoiding Environmental Cracking in Amine UnitsAmerican Society for Testing and MaterialsASTM C795Standard Specification for Thermal Insulation forUse in Contact with Austenitic Stainless SteelEnergy InstituteGuidance for Corrosion Management in Oil and Gas Production andPage 6 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process EquipmentProcessing, May 2008European Federation of CorrosionEFC 55Corrosion under Insulation GuidelinesThe International Society of Automation (ISA)ISA 71.04Environmental Conditions for ProcessMeasurements and Control Systems: AirborneContaminantsInternational Organization for StandardizationISO 15156/NACE MR0175 Petroleum and Natural Gas IndustriesMaterials for Use in H2S-ContainingEnvironments in Oil and Gas ProductionISO 14224Petroleum, Petrochemical, and Natural GasIndustries—Collection and Exchange ofReliability and Maintenance Data forEquipmentManufacturers Standardization SocietyMSS SP54Quality Standard for Steel Castings for Valves,Flanges, and Fittings and Other PipingComponents - Radiographic ExaminationMethodNational Association of Corrosion EngineersCommentary Note:NACE is in the process of changing the designations RP to SP. Use theequivalent SP document when it is issued.NACE MR0103Materials Resistant to Sulfide Stress Cracking inCorrosive Refinery EnvironmentsNACE SP0198Control of Corrosion under Thermal Insulationand Fireproofing MaterialsNACE SP0102In-Line Inspection of PipelinesNACE RP0170Protection of Austenitic Stainless Steels and otherAustenitic Alloys from Polythionic Acid StressCorrosion Cracking during Shutdown ofRefinery EquipmentPage 7 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process Equipment4NACE SP0403Avoiding Caustic Stress Corrosion Cracking ofCarbon Steel Refinery Equipment and PipingNACE SP0407Format, Content, and Guidelines for Developing aMaterial Selection DiagramNACE Report 34101Refinery Injection and Process Mixing PointsNACE Report 34103Overview of Sulfidic Corrosion in PetroleumRefiningDefinitionsBaseline ILI survey: performed on scrapable pipelines prior to commissioning for thepurpose of establishing the original condition of the line and to provide a “filter”enabling subsequent surveys to discriminate damage that has occurred in service.Caustic Cracking: a form of stress corrosion cracking characterized by surfaceinitiated cracks that occur in piping and equipment exposed to caustic, primarilyadjacent to non-post weld heat treated welds.Corrosion: deterioration of a material, usually a metal, that results from a reaction withits environment. For the purposes of this document, corrosion includes general andlocalized corrosion mechanisms, as well as environmental cracking mechanismsincluding, but not limited to, stress corrosion cracking (SCC), sulfide stress cracking(SSC), hydrogen induced cracking (HIC) and stress-oriented hydrogen induced cracking(SOHIC).Corrosion-critical: piping systems whose failure could present a hazard to humans orto the environment, or where such failure cannot be repaired without disruptingoperation. Piping systems in hydrocarbon, hydrocarbon processing, flare, and firewaterservice are considered corrosion-critical. Piping systems in other services may bedefined as corrosion-critical by the operating organization with the concurrence ofCSD/ME&CCD.Corrosion Loop: A term to define equipment and piping grouped together that aresimilar in their process environment, made of like material and are susceptible to thesame damage mechanisms.Environmental Cracking: brittle fracture of a normally ductile material in which thecorrosive effect of the environment is a causative factor.EPC: Engineering, Procurement and Construction contractor.Erosion-corrosion: conjoint action of erosion and corrosion in a flowing single ormultiphase corrosive fluid leading to the accelerated loss of material. This phenomenonPage 8 of 46
Document Responsibility: Materials and Corrosion Control Standards CommitteeSAES-L-133Issue Date: 23 January 2012Corrosion Protection RequirementsNext Planned Update: 18 July 2014for Pipelines, Piping and Process Equipmentencompasses a wide range of processes including solid particle or liquid dropletimpingement, cavitation, and single-phase erosion of protective films.Hydrogen Induced Cracking (HIC): the mechanism, related to hydrogen blistering,that produces subsurface cracks parallel to the surface and, sometimes, stepwise cracksin the through-thickness direction.In-Line Inspection (ILI): internal inspection of a pipeline using an in-line inspectiontool. Also called Inte
API RP 571 Damage Mechanisms Affecting Fixed Equipment in the Refining Industry API RP 578 Material Verification Program for New and Existing Alloy Piping Systems API RP 579-1/ASME FFS-1 Fitness-for-Service API RP 580 Risk Based Inspection API RP 581 Risk-Based Inspection Technology API RP 584 Integrity Operating Window API PUBL 932-A A Study of Corrosion in Hydroprocess File Size: 803KBPage Count: 46
