Hi all, i have recently purchased filler rods for welding of aluminium 2219.Previously rods were of the company Lincoln Electric and ER 2319 was written on the rods but this time rods are of the company " super glaze, Canada", now the filler rods have different thing written on them which is 1A 2319.
My question is whether it is same as ER 2319 and also what does 1A means?
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