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ahmad subahman

TIG Weld Defects and Causes. - 0 views

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welds defects TIG GTAW

shared by ahmad subahman on 07 Oct 09 - Cached
  • ahmad subahman on 07 Oct 09
     
    Porosity cause by : Gas flow too low or too high. Leaking gas lines. Draughty conditions. Electrode stick out from nozzle too long. Contaminated/dirty weld prep. Contaminated/dirty wire. Incorrect gas shield. Arc length too long
ahmad subahman

The Definition of Manual Metal Arc Welding - 0 views

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welding techiniques manual metal arc SMAW

shared by ahmad subahman on 04 Oct 09 - Cached
  • ahmad subahman on 04 Oct 09
     
    Manual metal arc (MMA) welding, also known as shielded metal arc welding (SMAW), stick, and electric arc welding is a constant current drooping arc process.
ahmad subahman

Effect Of Variation In Procedure (SMAW) - 0 views

ndt-welding-inspector.blogspot.com/...riation-in-procedure-smaw.html

welding techiniques SMAW MMAC stick weld procedure

shared by ahmad subahman on 05 Oct 09 - Cached
  • ahmad subahman on 05 Oct 09
     
    Too short an arc length will cause irregular piling of the weld metal. The ripples will be irregular in height and width.
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