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A Number?

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duongwe

duongwe

Mechanical
Joined
Jan 25, 2011
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43
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how can i understand A Number of material? how can i find it? what does it mean? what code/standard can i use finding A number?
Someone can help me.
 
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A number for the chemical for the welding material, you can find it in the ASME Section IX.
 
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The A- no is a designation used by ASME B&PV (Boiler and Pressure Vessel) Code, Section IX that relates to a common chemical composition for weld filler metal. Get a copy of Section IX and review it. Section IX is one of 12 book sections that deals with welding procedure and welder qualification along with brazing.
 
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Better get familiar with "F" and "P" numbers at the same time.
 
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