Welding DIRTY THIN Cast Aluminum

[@jeffschroeder4805]

That appeared to be an almost impossible repair - kudos for accepting a challenge like that. Because that casting was designed to be exposed to salt water, I imagine they actually used better casting material than would have been necessary otherwise.

[@gradyjones5537]

Can you repair cast aluminum with alumna weld ?

[@scottysymonds8075]

I think the worst I did was an oil pan on a skid steer. While on the skid steer. Used a spool gun. Ugly when done but it held oil. I like your videos. I teach now and share them with my class.

[@osbornebay944]

l have a spool gun set up for alum, will try on bulky works. Tig seems doing a finer patches/build ups.

[@twistedkidmotorsports9093]

Only need H pure tungsten for a transformer machine I believe correct me if I’m wrong

[@osbornebay944]

Thank you for simple, clear instruction. l am welding a damaged quad engine lower casing with a hole and broken away edge. l am using a cheap lift inverter tig 165, not sure will do a good job. Any advices appreciated.

[@MeltinMetalAnthony]

pre heat with a torch. get to at least 400 deg then weld at full amps you might get a puddle. if you haven't welded aluminum before. don't make this your first project

[@osbornebay944]

@@MeltinMetalAnthony Thanks, l m refining my tig set up for ac, thicker tungsten to do the cooking/filling after preheating the job. Will practice on junk cast alum parts(a bad cut off saw) till good results acquired. l arc alum sticks, its good bulk jobs.

[@osbornebay944]

@@MeltinMetalAnthony Thanks, l did the repairs by Duraweld rod, as my repair spots on quad lower casing are all none critical structural areas.

[@sandiproom2372]

Which price this mashin.

[@willishiland6069]

Great video and thanks for sharing! Stay Safe!

[@gregboon9273]

Use Phosphoric Acid to chemically clean Aluminum, (Alumi-Prep). That is what is used in Aircraft Aluminum Alloys. Lime-Away may work.

[@MeltinMetalAnthony]

never thought of that

[@steveallam]

Mention your settings more.

[@dougbird8186]

Great videos. Wear some robber gloves when you use acetone. It absorbs thru your skin and goes straight to your liver, or kidneys, don't remember which. Stay safe.

[@ecr125x]

5356 is generally used on unknown aluminum alloys and more so on dirty cast. 4043 works though but keep this in mind… unless using a spoolgun, spoolgun welds with 5356 filler are terrible in my opinion and spoolgun on a job like this should only be done as a last resort if you have no access to AC TIG.

[@MeltinMetalAnthony]

the 5356 wouldn't take

[@osbornebay944]

totally agree

[@salvtec]

That looked absolutely horrible to do, well done....

[@devanmoore5240]

Came here after welding a pencil sharpener back together