Questions before I melt soda cans for the first time?
2021年3月15日 · Pulled out the marble and half of it had already melted away. And it acted like flux. Although I still use borax. I wouldn’t worry about the sand. Just get those cans dry. Start a campfire. You’re melting the cans anyway so don’t worry about burnt aluminum since only recyclers will give you less money for those.
How To Melt Aluminum Cans : r/MetalCasting - Reddit
2020年7月23日 · Compact your scrap aluminum pieces as small as possible. Crush foil into a ball and crush cans. This helps the metal melt more easily. Put one piece of aluminum scrap inside the steel cup. The cup acts as a crucible for melting the aluminum with the blowtorch. Heat the piece of scrap with the blowtorch until it melts.
Aluminum cans mass melting : r/Metalfoundry - Reddit
2020年12月7日 · I built a furnace explicitly designed around a #8 crucible. I melt cans in it and get somewhere near 70% yield typically. I've found the keys to good yield to be: Pre-melt enough ingot metal in the crucible to be able to submerge crushed cans underneath the molten aluminum when melting. I use a piece of rebar to plunge the crushed cans.
First/ second attempt melting aluminum cans in this furnace
Aluminum cans have paint and anti-corrosive coatings that contribute a lot of impurities to the melt. That, plus the fact that the low ratio of mass to surface area on the aluminum means that a lot of the aluminum will be oxidized in the melt. So you end up with a lot of slag from cans.
Are aluminum ingots smelted from cans worth more money to
2021年3月24日 · Waste of resources. If you do decide to melt ur cans, sell them on eBay / Etsy/ etc. people buy the ingots to use for art, to collect if your bar is unique looking, etc. if I remember correctly, cans are bad for melting. If you really wanna get rid of cans at scrap yard, just throw in dirty steel to make at least a little money
What foundry should I buy for melting aluminum cans?
2021年9月11日 · Aluminum melts so low you don’t need to buy anything. I melted 1000’s of cans with a wood fired home made stone forge using an old steel pot as a crucible.
What's the general composition of melted down aluminum cans?
What percentage of the cans weight is body vs top, I'm not sure, but essentially the result of melting soda cans is a mixture of 3004 and 5182 aluminum. The inside of a soda can is lined with a protective coating made out of an epoxy resin plastic.
nitrogen purge for melting aluminum cans? : r/Metalfoundry
2023年11月12日 · When I melt down clean aluminum I have a small layer of slag to scoop off. Whenever I see people online melt cans, they are scooping like half of their melt. So I belive it has more to do with the impurities rather than oxidation of aluminum.
Melting down Aluminum cans : r/Metalfoundry - Reddit
2019年7月5日 · ANY electronic scrapping, save all heat sinks you find, it's a better quality aluminum and then mix with copper for alum bronze. Melting cans is a chore in itself as you'll have a metric fuckton of waste material.
At Home Aluminum Melting : r/metalworking - Reddit
2015年9月17日 · With cans, you'll have mostly dross. Aluminum cans simply aren't a good source of material. Previously cast aluminum is always better, things like engine and transmission parts. Extruded aluminum is generally bad to melt for casting. Extruded aluminum includes foil, cans, and anything like aluminum channel stock, rain gutters, etc.