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AWS A5.1

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duongwe

duongwe

Mechanical
Joined
Jan 25, 2011
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dear all, i see AWS A5.1 there are E7016-1 and E7018-1 and E7018M. i don't understand "-1" and "M" here what doest is it?
Please explant for me.
 
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-1 for improved toughness
-M for military purposes

 
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