Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932...
Transcript of Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932...
![Page 1: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/1.jpg)
NISTM ~ Ohio Storage Tank
Conference
Storage Tank Welding
![Page 2: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/2.jpg)
Modern Welding Company
• Welding Fabricator since 1932
– Storage Tanks
– Pressure Vessels
– Structural Steel
• Presented by:
• Phil Grimm
![Page 3: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/3.jpg)
Welding Processes
• SMAW ~ Shielded Metal Arc Welding
• GMAW ~ Gas Metal Arc Welding
• FCAW-G ~ Flux Cored Arc Welding – Gas Shield
• SAW ~ Submerged Arc Welding – Machine
• Filler Metal Tensile Strength Matches Base Metal Tensile Strength
![Page 4: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/4.jpg)
SMAW Shielded Metal Arc
Welding
• Welder Friendly
• All Positions
• Portable
• Least cost efficient
• Frequent stops
![Page 5: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/5.jpg)
GMAW-S Gas Metal Arc Welding ~
Short-Circuiting
• High Deposition
Rate
• All Positions
• Continuous
Welding
• Low Penetration
![Page 6: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/6.jpg)
FCAW-G Flux Corded Arc Welding
~ Gas Shielding
• Slag Supports Weld
Bead
• All Positions
• Continuous Welding
• Good Penetration
![Page 7: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/7.jpg)
SAW Submerged Arc Welding
• Machine Welding
• Cost Efficient
• High Quality
• Flat Position Only
![Page 8: Storage Tank Welding · PDF fileModern Welding Company •Welding Fabricator since 1932 –Storage Tanks –Pressure Vessels –Structural Steel •Presented by: •Phil Grimm](https://reader031.fdocuments.net/reader031/viewer/2022020302/5a721fd97f8b9a98538d605f/html5/thumbnails/8.jpg)
Machine Welding
• Joggle Joint
• Welding With
Backing
• CP One Side
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Properties of a Welded Joint
• Full Penetration
• Complete Fusion
• Filler Metal Compatibility
• Position of Electrode
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Welding Process Productivity
Manual and Semi-Automatic
0
2
4
6
8
10
12
14
16
18
20
1/4" 5/16" 3/8" 7/16"
SMAW
GMAW
FCAW
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The WPS should list all
Technical Requirements
• Nozzle Placement
• Position
• Filler Metal
• Base Metal
• Volts & Amps
• Temperature
• Gas ~ if required
• Flux ~ if required
• Electrical Characteristics
• Electrode Direction
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Welding Procedure Qualification
ANSI/AWS B2.1-98 “Specification for
Welding Procedure and Performance
Qualification”
• Standard Welding Procedures
• Pre-Qualified Welding Procedures
• Qualified WPS to B2.1
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AWS D1.1
“Structural Welding Code”
• AWS Pre-qualified
Welding Procedure
Specification in D1.1.
•
American Welding
Society
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NISTM ~ Ohio Storage Tank
Conference
Storage Tank Welding