• ASME B31.12 : 2014

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    HYDROGEN PIPING AND PIPELINES

    Available format(s):  Hardcopy, PDF

    Superseded date:  12-24-2019

    Language(s):  English

    Published date:  07-16-2018

    Publisher:  American Society of Mechanical Engineers

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    Abstract - (Show below) - (Hide below)

    Pertains to piping in gaseous and liquid hydrogen service and to pipelines in gaseous hydrogen service.

    Scope - (Show below) - (Hide below)

    This Code is applicable to piping in gaseous and liquidhydrogen service and to pipelines in gaseous hydrogenservice. This Code is applicable up to and including thejoint connecting the piping to associated pressure vesselsand equipment but not to the vessels and equipmentthemselves. It is applicable to the location and type ofsupport elements but not to the structure to which thesupport elements are attached. The design for pressureand temperature shall be in accordance with the requirementsof Part IP for industrial piping and Part PL forpipelines. This Code is presented in the following partsand appendices:(a) Part GR—General Requirements. Part GR containsrequirements applicable to and referenced by otherparts. It contains definitions and requirements for materials,welding, brazing, heat treating, forming, testing,inspection, examination, operation, and maintenance.It also contains quality system topics common to theother parts.(b) Part IP — Industrial Piping. Part IP includesrequirements for components, design, fabrication,assembly, erection, inspection, examination, and testingof piping.(c) Part PL — Pipelines. Part PL sets forth requirementsfor components, design, installation, and testingof hydrogen pipelines.(d) Mandatory Appendices I through IX(e) Nonmandatory Appendices A through FEach part defines requirements for piping or pipelines,as applicable, within its scope. The requirements aredifferent for different aspects of components, design,fabrication, installation, assembly, erection, inspection,examination, and testing. It is required that each partbe used in conjunction with the General Requirementssection but independent of the other parts. The jointconnecting piping governed by two different parts shallbe subject exclusively to the requirements of one of thetwo parts. It is not intended that this edition of this Codebe applied retroactively to existing hydrogen systems.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher American Society of Mechanical Engineers
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    API 941 : 2016 STEELS FOR HYDROGEN SERVICE AT ELEVATED TEMPERATURES AND PRESSURES IN PETROLEUM REFINERIES AND PETROCHEMICAL PLANTS
    NFPA 67 : 2016 GUIDE ON EXPLOSION PROTECTION FOR GASEOUS MIXTURES IN PIPE SYSTEMS
    CSA HGV 3.1 : 2013 FUEL SYSTEM COMPONENTS FOR COMPRESSED HYDROGEN GAS POWERED VEHICLES
    17/30293100 DC : 0 BS ISO 19882 - GASEOUS HYDROGEN - THERMALLY ACTIVATED PRESSURE RELIEF DEVICES FOR COMPRESSED HYDROGEN VEHICLE FUEL CONTAINERS
    10/30238615 DC : DRAFT NOV 2010 BS EN 62282-3-100 - FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    16/30354071 DC : 0 BS EN 62282-3-100 - FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    NFPA 56 : 2017 FIRE AND EXPLOSION PREVENTION DURING CLEANING AND PURGING OF FLAMMABLE GAS PIPING SYSTEMS
    CEI EN 62282-3-100 : 2012 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    BS EN 62282-3-100 : 2012 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    ASME FFS 1 : 2007 FITNESS-FOR-SERVICE
    ANSI/CSA FC 1:2014 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    MSS SP 105 : 2016 INSTRUMENT VALVES FOR CODE APPLICATIONS
    ANSI HGV 2 : 2014 COMPRESSED HYDROGEN GAS VEHICLE FUEL CONTAINERS
    CSA C22.2 No. 62282-3-100 : 2015 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    ANSI FC 1 : 2012 STATIONARY FUEL CELL POWER SYSTEMS
    CSA HPIT 2-2017 Dispensing systems and components for fueling hydrogen powered industrial trucks
    CSA HGV 4.7:2013:(R2018) AUTOMATIC VALVES FOR USE IN GASEOUS HYDROGEN VEHICLE FUELING STATIONS
    CSA HGV 4.9 : 2016 HYDROGEN FUELING STATIONS
    API 579-1 : 2016 FITNESS-FOR-SERVICE
    ANSI HPRD 1 : 2013(R 2018) THERMALLY ACTIVATED PRESSURE RELIEF DEVICES FOR COMPRESSED HYDROGEN VEHICLE FUEL CONTAINERS
    I.S. EN 62282-3-100:2012 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY (IEC 62282-3-100:2012 (EQV))
    ANSI HGV 3.1 : 2015 FUEL SYSTEM COMPONENTS FOR COMPRESSED HYDROGEN GAS POWERED VEHICLES
    NFPA 55 : 2016 COMPRESSED GASES AND CRYOGENIC FLUIDS CODE
    NFPA 2 : 2016 HYDROGEN TECHNOLOGIES CODE
    13/30276640 DC : 0 BS EN 62282-4-101 ED 1.0 - FUEL CELL TECHNOLOGIES - PART 4-101: FUEL CELL POWER SYSTEMS FOR PROPULSION FOR OTHER THAN ROAD VEHICLES AND AUXILIARY POWER UNITS - FUEL CELL POWER SYSTEMS FOR ELECTRICALLY POWERED INDUSTRIAL TRUCKS - SAFETY
    CSA HPIT 1 : 2015 COMPRESSED HYDROGEN POWERED INDUSTRIAL TRUCK ON-BOARD FUEL STORAGE AND HANDLING COMPONENTS
    EN 62282-3-100 : 2012 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY (IEC 62282-3-100:2012)
    CSA HPIT 1:15 (R2020) Compressed hydrogen powered industrial truck on-board fuel storage and handling components
    BS EN 62282-4-101 : 2014 FUEL CELL TECHNOLOGIES - PART 4-101: FUEL CELL POWER SYSTEMS FOR PROPULSION OTHER THAN ROAD VEHICLES AND AUXILIARY POWER UNITS (APU) - SAFETY OF ELECTRICALLY POWERED INDUSTRIAL TRUCKS
    IEC 62282-4-101:2014 Fuel cell technologies - Part 4-101: Fuel cell power systems for propulsion other than road vehicles and auxiliary power units (APU) - Safety of electrically powered industrial trucks
    IEC 62282-3-100:2012 Fuel cell technologies - Part 3-100: Stationary fuel cell power systems - Safety
    ICC IFGC CODE AND COMMENTARY : 2015 IFGC® Code and Commentary
    EN 62282-4-101 : 2014 FUEL CELL TECHNOLOGIES - PART 4-101: FUEL CELL POWER SYSTEMS FOR PROPULSION OTHER THAN ROAD VEHICLES AND AUXILIARY POWER UNITS (APU) - SAFETY OF ELECTRICALLY POWERED INDUSTRIAL TRUCKS (IEC 62282-4-101:2014)

    Standards Referencing This Book - (Show below) - (Hide below)

    ASME B16.48 : 2015 LINE BLANKS
    ASME PV CODE 5 : 2017 BOILER AND PRESSURE VESSEL CODE - NONDESTRUCTIVE EXAMINATION
    API STD 1104:2013 WELDING OF PIPELINES AND RELATED FACILITIES
    ASME B18.2.2 : 2015 NUTS FOR GENERAL APPLICATIONS: MACHINE SCREW NUTS, HEX, SQUARE, HEX FLANGE, AND COUPLING NUTS (INCH SERIES)
    ASQ Q9000 3:1997 Quality Management And Quality Assurance Standards - Part 3: Guidelines For The Application Of Ansi/Iso/Asqc Q9001-1994 To The Development, Supply, Installation And Maintenance Of Computer Software
    ASTM A 691 : 1998 Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures
    ASTM B 361 : 2016 : REDLINE Standard Specification for Factory-Made Wrought Aluminum and Aluminum-Alloy Welding Fittings
    ASNT SNT TC 1A : 2016 TOPICAL OUTLINES FOR QUALIFICATION OF NONDESTRUCTIVE TESTING PERSONNEL
    ASME PV CODE 2C : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - SPECIFICATIONS FOR WELDING RODS, ELECTRODES, AND FILLER METALS
    AISC 317 : 1992 VOLUME 2 CONNECTIONS MANUAL OF STEEL CONSTRUCTION ASD
    ASME B16.1 : 2015 Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250
    MSS SP 6 : 2017 STANDARD FINISHES FOR CONTACT FACES OF PIPE FLANGES AND CONNECTING-END FLANGES OF VALVES AND FITTINGS
    ASME B31.1 : 2016 POWER PIPING
    ASME B16.36 : 2015 ORIFICE FLANGES
    SAE J 518 : 2013 HYDRAULIC FLANGED TUBE, PIPE, AND HOSE CONNECTIONS, FOUR-BOLT SPLIT FLANGE TYPE
    ASTM A 139 : 2000 Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)
    ASTM A 537/A537M : 2013 Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel
    CSA HGV 4.10 : 2012 STANDARD FOR FITTINGS FOR COMPRESSED HYDROGEN GAS AND HYDROGEN RICH GAS MIXTURES
    ASTM A 204/A204M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Alloy Steel, Molybdenum
    ASTM B 467 : 2014 : REDLINE Standard Specification for Welded Copper-Nickel Pipe
    NFPA 1963 : 2014 FIRE HOSE CONNECTIONS
    ASME B31.8S : 2016 MANAGING SYSTEM INTEGRITY OF GAS PIPELINES
    MSS SP 83 : 2014 CLASS 3000 AND 6000 PIPE UNIONS, SOCKET WELDING AND THREADED (CARBON STEEL, ALLOY STEEL, STAINLESS STEELS, AND NICKEL ALLOYS)
    ASME B16.15 : 2013 CAST COPPER ALLOY THREADED FITTINGS: CLASSES 125 AND 250
    ASME B16.34 : 2017 VALVES - FLANGED, THREADED, AND WELDING END
    API 609 : 2016 BUTTERFLY VALVES: DOUBLE-FLANGED, LUG- AND WAFER-TYPE
    ASME B46.1 : 2009 SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY)
    ASTM B 466/B 466M : 2014-05 SPECIFICATION FOR SEAMLESS COPPER-NICKEL PIPE AND TUBE
    ASTM A 516/A516M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
    ASME PV CODE 2A : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - FERROUS MATERIAL SPECIFICATIONS (BEGINNING TO SA-450) AND (SA-451 TO END)
    ASME PV CODE 2B : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - NONFERROUS MATERIAL SPECIFICATIONS
    MSS SP 80 : 2013 BRONZE GATE, GLOBE, ANGLE, AND CHECK VALVES
    ASTM A 350 : 2004 SPECIFICATION FOR FORGINGS, CARBON AND LOW ALLOY STEEL, REQUIRING NOTCH TOUGHNESS TESTING FOR PIPING COMPONENTS
    ASME B16.21 : 2016 NONMETALLIC FLAT GASKETS FOR PIPE FLANGES
    ASME B16.10 : 2017 FACE-TO-FACE AND END-TO-END DIMENSIONS OF VALVES
    API std 602 : 2015 GATE, GLOBE, AND CHECK VALVES FOR SIZES DN 100 (NPS 4) AND SMALLER FOR THE PETROLEUM AND NATURAL GAS INDUSTRIES
    MSS SP 72 : 2010 BALL VALVES WITH FLANGED OR BUTT-WELDING ENDS FOR GENERAL SERVICE
    ASTM B 221 : 2014 : REDLINE Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
    API STD 600 : 2015 STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS
    ASCE 7 05 : 2006 MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES
    SAE J 513 : 1999 REFRIGERATION TUBE FITTINGS - GENERAL SPECIFICATIONS
    ASTM B 169/B169M : 2015 : REDLINE Standard Specification for Aluminum Bronze Sheet, Strip, and Rolled Bar
    ASME B16.28 : 1994 WROUGHT STEEL BUTT-WELDING SHORT RADIUS ELBOWS AND RETURNS
    MSS SP 97 : 2012 INTEGRALLY REINFORCED FORGED BRANCH OUTLET FITTINGS - SOCKET WELDING, THREADED, AND BUTTWELDING ENDS
    API 5L : 2012 LINE PIPE
    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
    ASME B16.4 : 2016 GRAY IRON THREADED FITTINGS: CLASSES 125 AND 250
    MSS SP 81 : 2017 STAINLESS-STEEL OR STAINLESS-STEEL-LINED, BONNETLESS, KNIFE GATE VALVES WITH FLANGED ENDS
    MSS SP 42 : 2013 CORROSION-RESISTANT GATE, GLOBE, ANGLE, AND CHECK VALVES WITH FLANGED AND BUTT WELD ENDS (CLASSES 150, 300, & 600)
    ASME B16.25 : 2012 BUTTWELDING ENDS
    NFPA 10 : 2018 PORTABLE FIRE EXTINGUISHERS
    NACE RP 04 72 : 2005 METHODS AND CONTROLS TO PREVENT IN-SERVICE ENVIRONMENTAL CRACKING OF CARBON STEEL WELDMENTS IN CORROSIVE PETROLEUM REFINING ENVIRONMENTS
    ASTM A 563 : 2015 : REDLINE Standard Specification for Carbon and Alloy Steel Nuts
    MSS SP 25 : 2013 STANDARD MARKING SYSTEM FOR VALVES, FITTINGS, FLANGES, AND UNIONS
    MSS SP 51 : 2012 CLASS 150LW CORROSION RESISTANT FLANGES AND CAST FLANGED FITTINGS
    ASME B31E : 2008 STANDARD FOR THE SEISMIC DESIGN AND RETROFIT OF ABOVE-GROUND PIPING SYSTEMS
    API 608 : 2012 METAL BALL VALVES - FLANGED, THREADED, AND WELDING ENDS
    NFPA 55 : 2016 COMPRESSED GASES AND CRYOGENIC FLUIDS CODE
    MSS SP 65 : 2012 HIGH PRESSURE CHEMICAL INDUSTRY FLANGES AND THREADED STUBS FOR USE WITH LENS GASKETS
    AWWA C302 : 2016 REINFORCED CONCRETE PRESSURE PIPE, NONCYLINDER TYPE
    ASTM B 88 : 2016 : REDLINE Standard Specification for Seamless Copper Water Tube
    API 599 : 2013 METAL PLUG VALVES - FLANGED, THREADED, AND WELDING ENDS
    ASTM B 61 : 2015 : REDLINE Standard Specification for Steam or Valve Bronze Castings
    ASME B16.20 : 2012 METALLIC GASKETS FOR PIPE FLANGES
    ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
    ASME B16.9 : 2012 FACTORY-MADE WROUGHT BUTTWELDING FITTINGS
    API 941 : 2016 STEELS FOR HYDROGEN SERVICE AT ELEVATED TEMPERATURES AND PRESSURES IN PETROLEUM REFINERIES AND PETROCHEMICAL PLANTS
    MSS SP 53 : 2012 QUALITY STANDARD FOR STEEL CASTINGS AND FORGINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - MAGNETIC PARTICLE EXAMINATION METHOD
    ASME B16.18 : 2012 Cast Copper Alloy Solder Joint Pressure Fittings (B16.18 - 2012)
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    SAE J 514 : 2012 HYDRAULIC TUBE FITTINGS
    ASME PV CODE 2D CUSTOMARY : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - PROPERTIES (CUSTOMARY)
    ASME B31.4 : 2016 PIPELINE TRANSPORTATION SYSTEMS FOR LIQUIDS AND SLURRIES
    CSA Z245.1 : 2014 STEEL PIPE
    ASME B16.42 : 2016 DUCTILE IRON PIPE FLANGES AND FLANGED FITTINGS - CLASSES 150 AND 300
    MSS SP 119 : 2010 FACTORY-MADE WROUGHT BELLED END PIPE FITTINGS FOR SOCKET-WELDING
    ASME B16.47 : 2017 LARGE DIAMETER STEEL FLANGES: NPS 26 THROUGH NPS 60 METRIC/INCH STANDARD
    ASTM B 209 : 2014 : REDLINE Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
    ASME PV CODE 8 DIV 2 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES
    ASME B31.3:2016 PROCESS PIPING
    ASME B31.8 : 2016 Gas Transmission and Distribution Piping Systems
    MSS SP 95 : 2014 SWAGE(D) NIPPLES AND BULL PLUGS
    ASME PV CODE 2D METRIC : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - PROPERTIES (METRIC)
    MSS SP 44 : 2016 STEEL PIPELINE FLANGES
    API 526 : 2017 FLANGED STEEL PRESSURE-RELIEF VALVES
    API 6D :2015 SPECIFICATION FOR PIPELINE AND PIPING VALVES
    ASME B16.26 : 2013 CAST COPPER ALLOY FITTINGS FOR FLARED COPPER TUBES
    MSS SP 134 : 2012 VALVES FOR CRYOGENIC SERVICE, INCLUDING REQUIREMENTS FOR BODY/BONNET EXTENSIONS
    ASME B16.5 : 2017 PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
    ASTM B 43 : 2015 : REDLINE Standard Specification for Seamless Red Brass Pipe, Standard Sizes
    ASME B16.14 : 2013 FERROUS PIPE PLUGS, BUSHINGS, AND LOCKNUTS WITH PIPE THREADS
    NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
    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)
    MSS SP 55 : 2011 QUALITY STANDARD FOR STEEL CASTINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - VISUAL METHOD FOR EVALUATION OF SURFACE IRREGULARITIES
    MSS SP 75 : 2014 HIGH-STRENGTH, WROUGHT, BUTT-WELDING FITTINGS
    API 603 : 2013 CORROSION-RESISTANT, BOLTED BONNET GATE VALVES - FLANGED AND BUTT-WELDING ENDS
    ASME B16.24 : 2016 CAST COPPER ALLOY PIPE FLANGES, FLANGED FITTINGS, AND VALVES: CLASSES 150, 300, 600, 900, 1500, AND 2500
    ASME B16.11 : 2016 FORGED FITTINGS, SOCKET-WELDING AND THREADED
    MSS SP 9 : 2013 SPOT FACING FOR BRONZE, IRON AND STEEL FLANGES
    MSS SP 88 : 2015 DIAPHRAGM VALVES
    NACE RP 01 69 : 2002 CONTROL OF EXTERNAL CORROSION ON UNDERGROUND OR SUBMERGED METALLIC PIPING SYSTEMS
    CGA G 5.5 : 2014 HYDROGEN VENT SYSTEMS
    ASME B16.3 : 2016 MALLEABLE IRON THREADED FITTINGS: CLASSES 150 AND 300
    ASME PV CODE 8 DIV 3 : 2017 BPVC Section VIII-BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS - ALTERNATIVE RULES FOR CONSTRUCTION OF HIGH PRESSURE VESSELS
    API 579-1 : 2016 FITNESS-FOR-SERVICE
    ASME B31.2 : 1968 PIPING - FUEL GAS PIPING
    API 594 : 2017 CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING
    ASTM B 62 : 2017 : REDLINE Standard Specification for Composition Bronze or Ounce Metal Castings
    ASME B16.22 : 2013 WROUGHT COPPER AND COPPER ALLOY SOLDER-JOINT PRESSURE FITTINGS
    ASME B16.39 : 2014 MALLEABLE IRON THREADED PIPE UNIONS: CLASSES 150, 250, AND 300
    ASTM A 524 : 1996 Standard Specification for Seamless Carbon Steel Pipe for Atmospheric and Lower Temperatures
    ASME B1.20.1 : 2013(R2018) PIPE THREADS, GENERAL PURPOSE (INCH)
    ASTM B 247 : 2015 : REDLINE Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings
    CGA G 4.1 : 2009 CLEANING EQUIPMENT FOR OXYGEN SERVICE
    MSS SP 79 : 2011 SOCKET WELDING REDUCER INSERTS
    ASME B36.10M : 2015 WELDED AND SEAMLESS WROUGHT STEEL PIPE
    ASTM A 671 : 2009 Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures
    ASME B16.50 : 2013 WROUGHT COPPER AND COPPER ALLOY BRAZE-JOINT PRESSURE FITTINGS
    MSS SP 43 : 2013 WROUGHT AND FABRICATED BUTT-WELDING FITTINGS FOR LOW PRESSURE, CORROSION RESISTANT APPLICATIONS
    AWS A3.0M/A3.0 : 2010 STANDARD WELDING TERMS AND DEFINITIONS INCLUDING TERMS FOR ADHESIVE BONDING, BRAZING, SOLDERING, THERMAL CUTTING, AND THERMAL SPRAYING
    MSS SP 58 : 2009 PIPE HANGERS AND SUPPORTS - MATERIALS, DESIGN, MANUFACTURE, SELECTION, APPLICATION, AND INSTALLATION
    ASTM A 285/A285M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength
    MSS SP 105 : 2016 INSTRUMENT VALVES FOR CODE APPLICATIONS
    ASTM A 302/A302M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Alloy Steel, Manganese-Molybdenum and Manganese-Molybdenum-Nickel
    ASME FFS 1 : 2007 FITNESS-FOR-SERVICE
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