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Weld symbol question - PMB

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KimBellingrath

Mechanical
Joined
May 14, 2003
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103
Location
US
I am looking at a drawing that calls for a RSEW (resistance seam weld) and above the symbol in the 'size/strength' area it has 'PMB'. What does that mean?
 
i don't have that particular set of letters. The letter used on welding symbols are called out in AWS 2.4-79.71.

If we used an unusual call we usually spelled it out in the notes.

Good luck
 
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