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Weld Defects GTAW: Basic

Additionally, if the welding torch is too far from the workpiece the shielding gas becomes ineffective, causing porosity within the weld. Maintaining a short arc length, while preventing contact between the electrode and the workpiece, is also important. Proper joint dimensions are those which allow enough access of the electrode into the joint so that good welding techniques can be used to achieve complete fusion with the base plates and steel backing bar. Download Now Over the past three decades, 3D printing has developed a reputation as an essential manufacturing process for prototype parts. Spray a colored liquid die with good penetrating power. Hydrogen remains trapped when metals solidify.

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