Large Steel Seamless Large Steel Seamless Pressure VesselsPressure Vessels

CPI

Kevin CollinsKevin CollinsNational Center of Manufacturing SciencesNational Center of Manufacturing Sciences

March 9, 2005March 9, 2005Dearborn, MIDearborn, MI

OverviewOverview

CP Industries manufactures large CP Industries manufactures large seamless seamless pressure vessels for the storage of gases pressure vessels for the storage of gases under high pressure.under high pressure.

Pioneered the development of high pressure Pioneered the development of high pressure cylinders.cylinders.

ASMEASME DOTDOT MilitaryMilitary ISOISO

ApplicationsApplications

Transportation of Industrial GasesTransportation of Industrial Gases Ground Storage of Industrial GasesGround Storage of Industrial Gases Compressed Natural Gas Fueling StationsCompressed Natural Gas Fueling Stations Mother - Daughter ProjectsMother - Daughter Projects

Tube TrailerTube Trailer

ApplicationsApplications

Transportation of Industrial GasesTransportation of Industrial Gases Ground Storage of Industrial GasesGround Storage of Industrial Gases Compressed Natural Gas Fueling StationsCompressed Natural Gas Fueling Stations Mother - Daughter ProjectsMother - Daughter Projects

Ground StorageGround Storage

ApplicationsApplications

Transportation of Industrial GasesTransportation of Industrial Gases Ground Storage of Industrial GasesGround Storage of Industrial Gases Compressed Natural Gas Fueling StationsCompressed Natural Gas Fueling Stations Mother - Daughter ProjectsMother - Daughter Projects

ISO ContainerISO Container

Manufacturing ProcessManufacturing Process

Raw Material is Seamless PipeRaw Material is Seamless Pipe End Domes are Hot Forged Spun or HammeredEnd Domes are Hot Forged Spun or Hammered Heat Treated - Liquid Quench & TemperHeat Treated - Liquid Quench & Temper Grit Blast and Condition O.D.Grit Blast and Condition O.D. Machine Necks with I.D. and O.D. ThreadsMachine Necks with I.D. and O.D. Threads Grit Blast and Condition I.D.Grit Blast and Condition I.D. Vacuum, Steam Clean & Dry I.D.Vacuum, Steam Clean & Dry I.D. Install End PlugsInstall End Plugs Solvent Wash and PaintSolvent Wash and Paint Purge with Dry NitrogenPurge with Dry Nitrogen Assemble Assemble

Quality and Inspection ProcessQuality and Inspection Process All Pipe is Ultrasonic TestedAll Pipe is Ultrasonic Tested Properties are Tested from Test RingProperties are Tested from Test Ring

YieldYield TensileTensileElongationElongation

Charpy V NotchCharpy V Notch Brinell Hardness TestsBrinell Hardness Tests O.D. is Magnetic Particle InspectedO.D. is Magnetic Particle Inspected Machined Threads are Dye Penetrant TestedMachined Threads are Dye Penetrant Tested Hydrostatic TestHydrostatic Test Final Ultrasonic InspectionFinal Ultrasonic Inspection Assemblies are Air TestedAssemblies are Air Tested Inspections and Testing Witnessed by Independent Inspections and Testing Witnessed by Independent

Agencies Agencies

SpecificationsSpecifications Design specification is contingent on what gas is used and Design specification is contingent on what gas is used and

how it is used.how it is used. Hydrogen - GroundHydrogen - Ground

ASME UPV Code Section VIII Div 1 Newest VersionASME UPV Code Section VIII Div 1 Newest Version Current Current Addenda and Appendix 22Addenda and Appendix 22

Material - ASME SA 372 Grade J Class 70Material - ASME SA 372 Grade J Class 70

Hydrogen - TransportedHydrogen - Transported DOT - DOT - 3AAX - 6000 (Pressure)3AAX - 6000 (Pressure)

Material - AISI 4130XMaterial - AISI 4130X

ConcernsConcerns

Hydrogen is Difficult to Store EfficientlyHydrogen is Difficult to Store Efficiently Requires Higher Pressures than Other Requires Higher Pressures than Other

GasesGases Higher Pressure Results in Smaller O.D.’s Higher Pressure Results in Smaller O.D.’s

and Thicker Wallsand Thicker Walls More Difficult to Attain Required PropertiesMore Difficult to Attain Required Properties

SolutionsSolutions

CPI working with ASME and Compressed CPI working with ASME and Compressed Gas AssociationGas Association

Working Committees have Been Formed Working Committees have Been Formed to Address Hydrogen Storageto Address Hydrogen Storage

Research Laboratories such as Sandia Research Laboratories such as Sandia National Laboratories are Testing National Laboratories are Testing Materials Materials

Hydrogen StorageHydrogen Storage