manufacturing of large and heavy clad plates by explosion ... · pdf fileslug catcher - pipe...
TRANSCRIPT
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MANUFACTURING OF LARGE AND
HEAVY CLAD PLATES BY
EXPLOSION CLADDING
STEPHANE PAULY
Dillinger Pressure Vessel Colloquium – 13 & 14.09.2012
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Agenda
1. Introduction to Dynamic Materials Corporation
2. Explosion cladding / welding process (DETACLAD®)
3. Manufacturing of large and heavy clad plates
4. DMC experience on heavy clad components
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Corporate overview
• Founded in 1965, Manufacturers of DETACLAD® plates for
over 40 years
• Public Company, NASDAQ symbol ‘BOOM’
• Headquartered in Boulder, Colorado USA
• ~226 M USD$ - 400 Employees in 10 Countries
• 3 different divisions
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DMC - clad metal locations
S
Sales Agents
a
Corporate Sales Office
~16,000 tons/y
~7,000 tons/y
~7,000 tons/y
CLADDING CAPACITY = 75,000 m² (~30,000 tons/yr with 50mm base)
Factory
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DETACLAD® plates
DMC Manufactures Detaclad® Explosion Clad
A unique, robust technology for welding plates together using the
energy of an explosive detonation.
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Agenda
1. Introduction to Dynamic Materials Corporation
2. Explosion cladding / welding process (DETACLAD®)
3. Manufacturing of large and heavy clad plates
4. DMC experience on heavy clad components
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DETACLAD® welding process
(3)
(1)(2)
Explosion cladding eventPre cladding Assembly
• Cladding and Base Metal Plates are
positioned parallel with a preset
separation distance (1).
• Explosive is placed on top
• Detonation sweeps across the plate at
~2000m/sec (2 & 3)
• Solid state welding process
• Essential variables are:
(1)
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Explosion clad plate manufacturing
Pre-clad
Operations
Cladding
Post-clad
Operations
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DMC capacity - Clad Plate sizes
13 000 mm max
5 000 mm max
Thicknesses:
Cladder : 1 to 30 mm
Base: 1 to 500 mm
50 T
40 m²
Titanium clad plates for Ni autoclaves
9m x 2m x 140 mm
Forged Ti clad tubesheets for Urea Strippers
(diam 2,3 m x 400 mm)
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Cladding Metals
Ferrous Metals:
� Carbon Steels
� Stainless Steels
Base Metals*
� All Metals
� Alloy Steel
� Carbon Steel
� Stainless Steel*Plate or forgings
Metals typically clad
Non Ferrous Metals:
� Ni & Ni alloys
� Aluminum & Al Alloys
� Copper & Cu Alloys
Reactive Metals:
� Tantalum
� Titanium
� Zirconium
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Stainless Steel
Mild Steel
EDX scan of the Stainless Steel-Mild Steel bond interface which is approx 20 nm.
316L - Explosion clad interface
=> ATOMIC SHARING BOND
316L A 516 G70
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FeTi
=> ATOMIC SHARING BOND
interface-100nm
Ti Grade 1 – Explosion Clad Interface
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Alloy 825 cladded on A 516 G70 HIC (4,5 mm)
=> CLADDING THICKNESS IS GARANTY
Explosion clad Interface
Cladding thickness
of 4,5 mm
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Explosion cladding attributes
� Solid state welding process that does not modify:
• Corrosion and thermal resistance of clad metal (no dilution, No HAZ)
• Base metal properties meets Code requirements.
� Virtually any metal combination can be welded
• Similar alloys, such as Stainless Steel to Steel
• Dissimilar alloys, such as Ti or Al to Steel
� Plates & forgings can be cladded
� Flexible is sizes and quantities
� DETACLAD® process is reliable: 0,005% rejectable area of
production area
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DETACLAD’S® plates vs other processes (1/2)
� Stainless & Ni alloys:• Shear strengh ≈ 400 Mpa
• Tear strength ≈ 500 Mpa
� Ti & Zr clads• Shear strengh ≈ 200 Mpa
� Attachments can be weld directly to Detaclad
Shear test – SSteel/Csteel
GREATER BOND STRENGTH
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DETACLAD’S® plates vs other processes (2/2)
� Corrosion resistance is constant over full thickness
� HIC properties of the steel are conserved
� DETACLAD is resistant to Hydrogen induced disbonding (HID)
• Tests in accordance with ASTM G146
• SA387-Grade 22 Cl 11 with 316L (40+6
mm)
• PH2=15 bars at T° 450°C for 48 H
• Cooling rate= 150°C/h
UNCHANGED MATERIAL CHEMISTRY (no dilution)
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Agenda
1. Introduction to Dynamic Materials Corporation
2. Explosion cladding / welding process (DETACLAD®)
3. Manufacturing of large and heavy clad plates
4. DMC experience on heavy clad components
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Manufacturing of Large and heavy clad plates
CLADDING CAPACITIES
Open Air
Detonations to 1 ton
Underground Chambers
Detonations to 8 tons
Operations capable of 13m long and heavy clad plates (50 tons)
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Manufacturing of Large and heavy clad plates
PREWELDING
� Plasma and TIG Keyhole bench up to 7,6 m
� Necessary for long and Large cladding plates
� Allow the use of coils for shorter deliveries
� Welding process qualified by ASME section IX and/or european codes
� Over 20 years of experience inside DMC group
� Welding engineers
Typical cross welds on cladding alloyTypical cladding alloy prewelded
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Manufacturing of Large and heavy clad plates
� Large & specialized flatening equipements
� Typical flatness of 5 mm/m achieved
� Rolling or pressing
FLATENING
2 presses – 1500 & 1800 Tons in USA
Up to 200 mm
Roller leveller 4m wide
Up to 75 mm
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Manufacturing of Large and heavy clad plates
HANDLING
� Internal cranes up to 50 T
� Forklift of 20 T each
� Skilled and qualified
operators
� Special procedures to
avoid contamination or
Deterioration during
handling
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Manufacturing of Large and heavy clad plates
SUPPLY CHAIN
� Large yards for the
storage
�Dedicated personnel
for transportation
�Qualified personnel
(COFREND, ASNT) for
inspections
�Capacity reservations
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Agenda
1. Introduction to Dynamic Materials Corporation
2. Explosion cladding / welding process (DETACLAD®)
3. Manufacturing of large and heavy clad plates
4. DMC experience on heavy clad components
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DETACLAD® applications
Clad plates for pressure vessels(reactors, hydrotreaters, heat exchangers)
Transition joints(ships, Aluminium pots, train)
Pressure
Corrosion
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Explosion Clad Market sectors
• Energy• Upstream Oil and Gas
• Refineries
• Power Generation
• Coal Gasification
• LNG
• Alternative (ITER, solar)
• Chemical &
Petrochemical Industry
• Refrigeration
• Steel mills
•Armouring
•Shipbuilding
•Railway industry
•Electrochemical processing
•Chlorine cells
•Hydrometallurgy•Aluminum
•Nickel
•Magnesium
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DMC experience in Heavy clad component
Desulfurization units, hydrotreaters:
Stainless steel clad refinery column
� Cr-Mo steel + Stainless 321 (102 mm + 3 mm )
� 5 m diam x 35 meters long
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Oil & Gas Separation units:
slug catchers, separators, acid gas removal
� Steel SA516 G70 HIC + 316 L or 825 or 625
� Sizes range: 8 m x 2 m x (150 + 3 mm)
� Slug catchers (Wasit Gas)
Slug catchers - vessel type
DMC experience in Heavy clad component
Wasit Gas Plant - block diagram
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Oil & Gas Separation units:
Clad Pipes - Finger type slug catchers
� Steel SA516 G70 HIC + 316 L or 825 or 625
� Sizes range : 12 m x 3,8 m (40 + 4 mm)
� Slug catchers (Gorgon, Australia)
Slug catcher - Pipe type
DMC experience in Heavy clad component
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DMC experience in Heavy clad componentHydrometallugy (Pressure Acid Leaching):
Nickel leaching autoclaves
� Steel SA516-70 + Ti GR 17 (120+8.50 mm /60+9 mm)
� 4-5 m diameter x 30 m long
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DMC experience in Heavy clad component
PTA plants (Purified Terephthalic Acid):
Ti clad reactor column
� Steel SA516-70 + Ti Gr 1 Thickness (38 to 75+3 ; 117+12)
� 73 m high and 6 m diameter
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DMC experience in Heavy clad component
Urea processing:
strippers, heat exchangers
� Steel SA508 + SA 533 + Titanium SB 265 Gr 1 (or zirconium)
� Sizes range: 7,6 m x 2,2 m x (80+3 ; 400 + 12 mm)
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Conclusions
• Detaclad technology is proven robust and reliable
• Detaclad products have extensive performance experience in the heavy clad applications
• Fast delivery is possible when needed
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THANK YOU FOR YOUR
ATTENTION
Visit us on: www.dynamicmaterials.com
Conclusions