Thursday, April 15, 2010

[MW:4843] Ar purge for Low Alloy steel

One of our client specn asks for argon purging of root pass (pressure
retaining welds) for GTAW for Low alloy Cr-Mo steel? why it is
required any idea?

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[MW:34866] Presentation for WPS ,PQR AND WPQ as per ASME Sec IX in power point

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