How To Easily Join Together Aluminum Plates & Repair Aluminum Parts
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- Опубликовано: 4 сен 2013
- Learn how to easily join together aluminum plates & repair aluminum parts using the brazing rods shown in this video. The resulting joint/repair is extremely strong if done correctly(Must be super clean and well brushed). The brand used in this video is Alumite, but Alumaloy also works great. Repair your own radiators, windows, or engine parts that have cracked. For cracks, simply drill out the ends of the cracks to stop them from spreading, grind the crack below the surface, then proceed as shown in this video.
Alumite & Alumaloy brazing rods BOTH work great. Please refer to the link posted below if you're interested in purchasing these rods:
amzn.to/2o4JaVx
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Хобби
I worked as a Jeweler / Goldsmith for over 30 years. I am just passing along a simple tip about soldering. The solder always follows the heat. To pull some of that aluminum solder down under the joint and a small amount to the other side. You need to heat that joint on the other side. You should see a small bead form on that other side when the solder starts to flow.
I have also used these aluminum rods and I think they are fantastic.
One last tip. Don't overheat your work. You used just enough heat till the solder flowed and that's good. Too much heat and you can actually cause the solder (call it brazing if you like) to boil causing a porous and weak joint.
Thanks for posting!
+JoeKind1958
Thanks for watching!
Great vid! Would this technique be ok on thin sheet say 0.9mm aluminium or would I get some warpage
Hey JoeKinnd1958, do you think I could make an aluminium/gasoline /petrol tank for a motorbike and use only brazing instead of welding?
Great additional tip. Thanks for this video and the comments that go with it.
Ive been for 20 year and RUclips came up i feel like my 20 years was nothing
Finally, someone who knows what they're doing. Thanks for showing the right way, with emphasis on oxidation. Notes were useful. Adding this to my skill-set soon.
Acetone..?
Man how many times have I needed this product over my 25 years as a mechanic. I will be getting some very soon. Fantastic demonstration thanks
Glad you enjoyed the video Mark! Be sure to check out my extensive video playlists below for many other
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In welding class we hit the aluminum t joints with a hammer to see if it will crack. It’s really crazy how tough 16 gauge is to tear or compromise. You hit the nail on the head with the preparation. Aluminum has got to be very clean if you want the strongest joint. A good weld/braze is like a good paint job 90% prep work 10% actually spent welding/brazing.
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Hi, just picked up the neat holding method with the wrench.
Those rods are usually an alloy of aluminum and zinc, they will stick to about everything metal there is. ( Copper, brass, steel, stainless...)
One tip from a machinist/welder, not that it really matters in this demo, but prior to brushing, just clean with acetone so the grease don't get rubbed into the sheet, and, if the rods contain flux, no need to brush after you started, just keep the flame on the part, this will keep it from oxidation, the melting point of those products is around 850 F or less. (pure aluminum is 1200 F)
Like you said it make a very decent bond.
Appreciated the demo, Pierre
That was the cleanest brazing joint ive seen so far when doing this kind of work...really nice !!
This video absolutely pointed me in the right direction. Along with the fact that others have mentioned.. Solder follows Heat. The best joints I've completed so far is with your steel brush method.. Thanks for the tip man!
Great to hear Dean! Be sure to look over my extensive video playlists below for many other helpful videos of interest to you, and most importantly share my channel with others. Thanks
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Great video. You've shown the whole process and demonstrated what "clean" really means. Thanks.
Glad you enjoyed the video.
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Awesome brazing job. Never joined aluminum by brazing but you made it look easy. Thanks for sharing.
Thank you!
Another awesome video! I didn't know about these rods. I have a 150cc two-stroke gas motor for a large RC airplane that has a cracked exhaust header, this will work perfectly for repairing it. I can see this useful for many other things as well. Thanks!
People don't understand the benefits of taking the time on prep work such as wire brushing considering the few minutes of prep are less effort than re-brazing/ soldering/ welding and well anything in life Haha. Good video. I'm probably going to pick some of these up soon.
Thanks! Practice on a few pieces, you will learn fairly quickly.
Which people?
This is a very interesting video. This is something to consider for non-critical joints where I don't need to use my everlast welder.
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we picked up some of this rod a while back, but haven't used it yet. thanks for a very good tutorial on how to use it. you are quite a handy man indeed!!! thanks again.
+snaprollinpitts
Thank You
Thank you for the rapid response!
Another great video. I've had some of these rods kicking around for years and completely forgot about them. Time to dig them out!
Rick Rose Thanks Rick. Be sure to share.
Good job on the video. These rods are great. I've built up metal on a carburetor for my bike. Drilled and taped these welds too. Saves me a bunch of time and money.
These rods are excellent. I repaired an aluminum cooling fin on a flywheel 2 years ago, it is still firmly attached and the engine spins 5,000-6,000 RPM's.
Thanks, very informative.
Glad you enjoyed the video! I have a lot of excellent videos on my channel that cover many different subjects, so be sure to check out my extensive video playlists for other videos of interest to you, rate thumbs up, and share my channel with others. Thank You
I had no idea you can do this, thx. Great instructional video.
I really enjoyed watching this, and it has given me a few ideas to try this on. Many thanks for making this video, I have shared this onto my Twitter and FB in gratitude. :-) x
Awesome, gotta try this sometime! Thanks!
excellent video. thank you.
Thanks! Great option for those (including myself) who can't afford a good Tig welder... I just subscribed so I can learn more good stuff.
+jammin jimmy
Glad you enjoyed the video. I have many excellent videos on my channel. Be sure to check out my video playlists, rate thumbs up, and share
I like brazing. The end result is very clean and smooth.
thank u! not only dope video but u put it to the test
I used these on an alum boat and worked great. Make sure the brush is SS, looked like yours was, thanks.
I think the rod melts around 750 degrees F. The usual welding practices normally apply. If you viewed the image of my muffler repair, I used a die grinder to grind out the crack to allow space for the filler material, and to add strength to the repair. Beveling is definitely good to do.
Really nice demonstration! Thanks for sharing!! 🙂👍
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thanks for this one...
Die cast is molten metal forced into a cavity, especially zinc based. I have used these rods for many years.
I purchased some rod like this from a guy over 20 years ago. He told me they had used it on aircraft in WW2. His technique was to clean with a stainless steel brush where the parts would be joined. Then heat until the joining material was liquid along the joint. Then he took a fine stainless steel rod / wire and ran it through the liquid joint material scraping the aluminum under the liquid. He said this got rid of any remaining oxidation on the aluminum and assured a good joint. I used it on a few projects and it does result in a very strong joint. Much stronger than solder on steel. More like nickel silver brazing. Yes, TIG would be better, but this requires about $20 worth of equipment vs 220Vs and a big TIG welder. In the past it was often hard to afford really good equipment. It is great that more of us have access to good tools these days.
Thanks for watching!
Ted Cosgrove thanks for sharing.
Thank you so much for your great details video
You're welcome! Be sure to watch my other videos and share my channel. Thank you
hey thanks for the video, looks very easy and im definitely going to try this on my small project im working on.
Your welcome John. Just make sure all surface are SUPER clean, and do not apply too much heat. Use a stainless brush also.
Awesome, very helpful. Thank you for the video.
+Naoki Kashima
You're very welcome. Please share, rate thumbs up, and check out my other videos as well.
Great video. It worked very nicely!
McKinlea Wells Good to hear! Be sure to check out my other videos as well, share with others, and rate Thumbs Up.
Thank You!
Great video - thanks for sharing!
+mcquality55
You're welcome!
Excellent, thanks
Nice! Learned something new today!
+Robert Fernandez
Glad you enjoyed the video!
Please share and rate Thumbs Up.
I have helped design and build aluminum vessels for the Navy for years....and seen friction stir, stick, mig, tig etc.......never this. I am def trying this at home. So intrigued.
Pat Rigdon These rods work extremely well when the surface is properly clean/brushed, and the correct amount of heat is applied. Be sure to check out my other aluminum repair video as well.
Thanks For Watching! Please share and rate Thumbs Up.
Huh, I'm already subbed to this channel! Seems past me needed your help and present me does once again. Thanks (again)!
I had NO IDEA this was possible, thank you and i will certainly use this method for some of my projects. I always thought you need a whole welding machine etc etc but i can do this in my condo balcony haha
Your english is very good.
....why in your condo when you have a palace on the Black Sea ?
Best video on this iv seen yet
Glad you enjoyed it! I have many videos on my channel that cover a wide range of subjects unlike 98% of RUclips channels, so be sure to check out my extensive video playlists for other videos of interest to you and most importantly share my channel with others. Thank you
Awesome. Great video. Intriguing. I have a perfect project to try this on.
trees dirt Thanks! Be sure to check out my other videos, and share. I do have another video showing these rods filling up a hole in a pot.
That process I have not seen before. Great stuff
Thank You!. Be sure to share with others, and rate a "Thumbs Up".
Thank you. You've earned a sub.
I like the fact that it hardly warped, I'll have to get some of that for sure.
These rods are the next best thing after welding.
Thanks For Watching! Be sure to share.
Great video. Thanks!!
+GCK50
You're welcome!
Thank you for sharing.
Your welcome Steve! Be sure to share with others, and rate "Thumbs Up"
I've got 20 plus year arc welding with certifications. This blows my mind, nice brazing!
David Spennachio Thanks Dave. I have another video showing how well these rods work. Check it out in my video playlist.
Very useful. Thanks for sharing.
Sanjaya Attanayake Thanks For Watching! Be sure to check out my other aluminum repair video, share, and rate Thumbs Up.
Cool video. Thanks for the info. I have been wanting to experiment with this for an art project and you taught me the basics of how to make a good braze.
+Michael Webb
Glad I was able to help. Be sure to check out my other videos, rate thumbs up, share, and subscribe. Thank You!
Will do!
I bought Harbor Freight rods and they worked fine for repairing AC tubing on the car.
Tube had broken where it enters a large bolt on flange bracket.
So, drilled out old tube in bracket.
Cleaned up tubing and brazed together. Saved me over $100 they wanted for that part.
Glad to hear it worked well for you. Large tube or small tube? If it was the small tube, I hope you did a really good job cleaning the surfaces under heat before applying the brazing rod. The high pressure side can reach 250-400psi.
Thanks for watching!
electronicsNmore Small tube where it enters the condenser, so yes high pressure. It is perfect leak free. You can just tell when you get a good braze. I have done a lot of welding so have some experience. Scratching the aluminum braze material while hot even using a brush or even a screwdriver on the metal is good to break the oxides. I sanded it clean and bright first.
OK, good, just wanted to make sure. :-)
Scott Downey ty 32o k .
Good tip regarding sanding the rod. I have been brazing for many years. I am surprised that I haven't been doing that.
I now use 000 steel wool on the rod. Thanks for watching! Please share.
Thanks.Very good Video.
+cristian pommersheim
Thanks for watching Cristian! Be sure to check out my video playlists and share my channel with others.
great vid, thank you.
Your welcome Tiffany! Be sure to check out my other videos as well, share with others, and rate Thumbs Up.
Thank You!
Thanks for the great video
You're welcome. Be sure to check out my other videos, rate thumbs up, and share. :-)
Thanks!
If you use a proper flux (and do your brazing off the huge heat sink of a concrete floor) you will get a better joint that will fillet on both sides, even if you only apply on one side. You will also be able to skip the majority of the wire brushing. Still; this does illustrate how strong a brazed joint can be, even when done less than optimally.
Concrete, like a fire brick, is a very poor conductor of heat. No flux is needed with these rods, but I am sure the result would be even better if you did use flux. Brushing surface oxidation under heat is mandatory when using these brazing rods(according to the manufacturer, as well as my testing)
Thanks For Watching!
I haven't got to try brazing yet! I can emagine from my research you are 100% correct! I also seen somone online showing a strength test which had interesting results! One person with a scale and the other with a hammer! So that was nice when you hear that brazing is only for decorative! I know steel is better to be welded within some cases, I just can't wait to see what aluminum provides!
Super boulot !!!
Thank for watching! Please share.
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The first time idid it, I pounded it apart to test the bond. The metal broke before the brazing let go. Good stuff.
Yes, when done correctly, it's strong stuff. :-) Be sure to rate thumbs up, share my channel with others, and check out my video playlists. Thanks!
Cool stuff man... nice work...Will subscribe and remember this site for the next aluminum boat I rebuild!! Thanks again!
J.
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When welding or brazing aluminum, cleanliness is next to Godliness.
It definitely needs to be super clean. Thanks for watching!
Sweet I'm gunna give it a try,I was waiting for the concrete to pop you got lucky
Brad g That only happens if there's a lot of moisture in the concrete, and you keep the flame in one spot.
Good one.
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Nice video. Thank you. Did you use propane or map gas?
MAPP
cool vid thanks. tip..that concrete leeches alot of your heat making the process take longer. Also concrete can blow up in your face if heated to much depending on how much moisture is in it.
That looks very good!
Strong too. :-)
How about we test it using your head? Maybe it will knock some sense into you, and you'll learn to post polite comments. NOTHING is fake on this channel. I guess the exhaust repair I did in the video description area on my GY6 scooter was also a fake/weak repair. No time for stupidity on this channel.
Great video I am glad that someone posted this. I knew this could be done but was not sure what to use or how to do it. Now for small repairs I don't have to have someone do it for me that has a welder. I can do it myself.
+Steve H
Glad you enjoyed my video! Please be sure to share my channel with others and rate thumbs up. Thanks.
Your Welcome.
nice job, thanks
Glad you enjoyed the video!
AWESOME AS EVERYTIME
Achraf Amesguine Thanks!
Well hot damn, this is great! Will this also work for very thick pieces, in the neighborhood of 6mm? (1/4 in) because i really need to know. I will be getting myself some of these rods, and thanks for the awesome step-by-step.
Great Video Sr this is a great idea for some welding part were is going to be low stress and at a low cost Normally you need welder and argon gas and the Mather load so great video
+1miltond
Thanks for watching! Please share.
Good how to vid, well done and not a time killer. Thanks a bunch for this.
Glad you enjoyed the video. I try to only upload very good/useful videos.
Thanks For Wacthing, please share and rate Thumbs up.
Did do I believe, will check back on it.
Awesome
Tanks a lot sir
Realy good job
+Mohamed Benallal
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Thank You!
Thank you! ...............................
You're welcome! Please share
Wonderfull thank you
Nice share, just ordered up some of these, need to make a custom model engine muffler.
Great to hear!
Very sweet ! I can now try to repair what I was going to throw away !!
+PRACERZ
Hello there. I have been able to save many things using these aluminum brazing rods. Please share my channel with others, and rate thumbs up.
I think this is fantastic. I always thought that this could be done just as it is done sweating copper pipe to a valve. One question, can you used flux to make the welding easier. ?
+Chimel 07
The manufacturer does not say any flux is required, but I guess it would not hurt to use it.
Why people dislike this awesome video?
It's RUclips. Many Trolls, haters, and experts. :-)
Few things here, great video and brazing aluminum is far easier than welding it and with aluminum welding isn't always that much better. Aluminum is fairly weak anyway, so brazing it normally all you need. A couple things that were not right it that while cleaning the area to be brazed, soldered or welded is always right, you are not removing oxidation. Well, you are but aluminum will oxidize as soon as you brush it. It is nearly instant. If flux is used it removes the oxidation when you heat it and the rod covers it so it never touches air. If you don't use flux you have to scrub though the molten filler to remove the oxidation and have the molten metal cover the base so it does not contact air. All that scrubbing was just taking a way a layer of oxide and allowing on other layer to form.
+Phillip Morrison
Hello Phil. I have had this discussion before, and spoke with the manufacturer as well. What I show in this video is the correct method to keep surface oxidation at a minimum. Keep brushing, even under heat until the brazing material flows into the surface.
Thanks For Watching.
Don't know why all these videos are stating to use a STEEL BRUSH.
I wouldn't recommend using any type of steel brush on Aluminium; especially, at this fragile molecular state.
Preferable, use a new (dedicated) brass brush rather than any steel.
Pushing Chromium (SS) into the Al will cause intergranular corrosion later down the road.
Even sandpaper type must be chosen wisely before cleaning Al.
I too would recommend using the proper flux with a nylon "toothbrush" for "longevity".
But thanks for the other info, gave you thumbs up!
+Aquamon do you work aerospace? I don't hear people talk about impurities from the brush very often, and they are normally aerospace welders.
+Phillip Morrison Right you are, the steel brush leaves behind residue . If you take a steel brush to stainless steel then the part you brushed will rust, actually it's the residue from the steel brush that rusts and not the stainless steel itself. Is that correct? When you brush the Al it leaves the same residue on the Al. I have told others to be careful what they use to clean the parts with that are about to be soldered/brazed and most people just don't care and use some kind of oily, greasy wire brush to clean with and then sit around scratching their heads wondering why their solder/braze joint failed miserably. I just sit back and laugh.
+brandy sigmon I meant that previous comment to be a reply to Aquamon, sorry.
Good video dude
Shaun Dalton Thanks Shaun! Be sure to check out my video playlists, rate thumbs up, and share.
at 9:21 Yeah... can your hand me your adjustable wrench? LoL
Very, very good...!!! Aplicattion imediattly!!! Hugs...!!!
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Bravo!
Well you certainly took your time with that little braze,
You can't rush the job when brazing aluminum, otherwise you'll end up with a poor joint.
this is useful
Sure is. Normally you would have to use a special welder to do this. With these rods you can repair just about anything(Aluminum, zinc diecast, or pot metals). I've used them countless times over the years.
switched on bloke--its good to see
gostaria de ter esta solda no brasil como que faço pra ter. ou receber aqui
I'm repairing a broken aluminum railroad signal and this is perfect
Just don't apply too much heat, or you'll cause the aluminum to melt. Keep testing the surface with the rod for the right temp, once it starts melting, pull back the flame.
Thanks! you never said this was permanent and now my two favorite pieces of metal are stuck together.
Just heat it up again
Hi great tutorial, thanks for answering some questions I had in regards to thin aluminium, I was worried that the thin pieces would start to buckle under the heating up process, but as you've shown it didnt.
I just have one question, how long did it take to cool down approx. before you could touch and pick the piece up? was in minutes or hours? thank you
You must evenly heat thin aluminum plates. Heat way beyond the brazing area. The metal cools down in 10 or 15 minutes. Be sure to watch my other brazing videos, and most importantly share my channel with many others. Thanks!
Are you from NY.. I like your vids :) Thanks
Great Video what is diecast and pot metals? How did you come with this?
Thanks for the great education on your site.
Thanks for nice idea and presentation!
What torch you used? I have only propane torch is this enough?
Where I can buy this rods on Internet or ebay?
Thanks for answers!
What's the temp rating on that joint before it remelts the brazing? Also did you bevel the joint like you would for welding, or is the application not require it?
Thanks for this! The vid demonstrates the use of these alum/alloy rods for repairs etc. In the past I've tried bonding aluminum, with little or no success, without a mig welder. Aluminum forms a thin layer of oxide almost immediately on contact with air/oxygen so cleaning is huge. BTW - mig welding jets a flow of inert gas over the surface of an aluminum weld that displaces the oxygen from the surface so you can weld two pieces of Alum together. Thank you Joe*** for that tip. I already suspected heating technique played into the strength etc. of the joint. So the brazing/soldering material is drawn INTO the heat. As in soldering a copper "joint" by applying heat behind the actual joint to "suck" it into the connection. Peace. Great stuff on YT.
Excellent video! I did my first repair yesterday after having had these sticks on the shelf for over 20 years and it was great. I wish I had seen your video first, though, as I managed to partially melt the part I was soldering to on the first run ;-)
I found it difficult to judge how hot to heat the aluminum, as the brazing rod didn't seem to wet the metal so well (I cleaned it as best I could, but the brazing was on the internal side of a cylindrical piece so the end result wasn't nearly as clean as yours) so my first attempt resulted in the aluminum part starting to change state, suddenly becoming bubbly. I didn't expect that!
I have two questions: is there some kind of flux that can be used to clean off the aluminum in hard to reach places and to wet the surface, and can this brazing material also be used on copper instead of super expensive silver (service temperature expected, 300F)?
Thanks in advance for your response!
OK. For copper I use Harris Stay-Silve brazing rods. No flux required, just a super clean/shiny copper surface. As for the aluminum, no flux. It is imperative that the aluminum be SUPER clean. I would suggest using a dremel with a grinding stone to clean the aluminum before briushing it with a stainless brush. You overheated the aluminum. Heating MUST BE gradual. Once the rods starts to melt, pull the flame away and brush the brazing material into the surface , then re-apply the flame. Once the material starts melting again, then gradually back off on the heat or gradually pull the flame away from the aluminum. Once you get the knack, it is easy.
Thanks for watching! Be sure to rate a thumbs up and share with others.
electronicsNmore Thanks! I learned my lesson about overheating the aluminum ;-) I was nevertheless able to get the part cleaned out really nice with some sanding then buffing wheel polish, turned out really nice.
It was the part of the brewhead of an espresso machine that holds the portafilter in place, the lip that holds the portafilter was worn out. I built it up with the solder then dremelled it smooth afterwards. Pretty hard stuff to work with! I was quite surprised. I since learned it's mostly zinc...
Anyway, it now works as intended, isn't leaking any more and the coffee is GREAT :-)
ok i am impressed and here i thought anything aluminium brokeded is brokeded for good. i think i haz reason for buying a torch and some rods :) should make for some nice antenna repairs