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MIG on steel

QuestionAnswer
Root face is the area of metal removed from the root edge to form a square face at the root of the joint.
Stringer a single pass with little to no motion other than the direction it is being travelled in. Size depends on electrode used, arc length, travel speed, and electrode inclination.
Things to consider when semi-automatic welding shielding gas mode of metal transfer polarity amperage/wire speed voltage
Advantages of using a back plate you can use higher heat input processes like FCAW and SAW that are difficult to control faster welding speeds reduced distortion less preparation needed easier fit and alignment.
Benefit of FCAW & MCAW Productivity
WPS Welding procedure specification
WPDS Welding Procedure Data Sheet
Dimensional Discontinuities Lack of fusion incomplete fusion porosity, slag inclusion undercut arc strikes excessive reinforcement visual failure and more
Fillet is a triangular-shaped cross-section that joins two parts generally at 90⁰ to each other.
Tack Weld a short length of weld used to hold parts together and in alignment until welding can be completed.
Backing material Designed to support and shape molten weld metal at the root of the joint. Permanent backing material remains in place as part of a finished weld.
Created by: Akinsman
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