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charan singh
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Join Date: Mar 2011
Location: Saudi Arabia
Posts: 10

Surface Preparation

02/07/2012 12:59 PM

what is the technical reason of spools belongs to PWHT , After blasting substrate getting blackish mark soonly, required blasting surface cleanliness is SA 2.5

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SolarEagle
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Join Date: Mar 2007
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Posts: 33392
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#1

Re: Surface Preparation

02/07/2012 2:51 PM

http://www.gowelding.com/met/pwht.htm

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