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API 1104 - 6.2 Single Qualification

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Ruscitto

Ruscitto

Petroleum
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Feb 28, 2015
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It is an essential variable electrode polarity for the welder?
 
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Within other restrictions of API 1104 Section 6.2.2, a change in polarity is not an essential variable for welder qualification. It is, however, an essential variable for welding procedures (API 1104 5.4.2.7).
 
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