I Iamtuaeng New Member Messages 3 Location thailand Aug 7, 2024 #1 it’s just the appearance has something to do with oxidization maybe but we can not find out how it happen our customer using same welding rods and we use same material come from the same supplier and we using same all processing for producing W
it’s just the appearance has something to do with oxidization maybe but we can not find out how it happen our customer using same welding rods and we use same material come from the same supplier and we using same all processing for producing W
mike 109444 Member Messages 4,775 Aug 7, 2024 #2 Precleaning / degreasing BEFORE welding not the same ??
V voipio Member Messages 3,788 Location Not Cambridge Aug 7, 2024 #3 Are those parts welded or brazed?
I Iamtuaeng New Member Messages 3 Location thailand Aug 8, 2024 #4 mike 109444 said: Precleaning / degreasing BEFORE welding not the same ?? Click to expand... we try everything but still same
mike 109444 said: Precleaning / degreasing BEFORE welding not the same ?? Click to expand... we try everything but still same
I Iamtuaeng New Member Messages 3 Location thailand Aug 8, 2024 #5 voipio said: welded or brazed Click to expand... welded....our product made from AL Alloy 6005A T6
arther dailey Member Messages 6,829 Location England Aug 8, 2024 #7 looks like the first one has been sanded after welding , going by scratch marks , second one hasnt .
snoozer Member Messages 443 Location Northants UK Aug 11, 2024 #8 Have you got a Picture of the Material BEFORE its Welded ?
Memmeddu Member Messages 5,338 Location Italia Sardegna Aug 13, 2024 #9 We Tig weld a lot of those AC pipes. Never happened to us. Discoloration make me think about lack of shielding gas
We Tig weld a lot of those AC pipes. Never happened to us. Discoloration make me think about lack of shielding gas