January 13th, 2006 
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Forge welding is a welding method of heating scheme two or more parts of iron alloy and then hitting them together. The method is one of the simplest methods of connecting metals and has been utilised since very vintage times. Forge welding is versatile, being proficient to connect a proprietor of alike and dissimilar metals.
With the creation of electric and gas welding methods all through the Industrial Revolution, forge welding has been mostly replaced. Forge welding between alike components is begun by solid-state diffusion. This outcomes in a weld that comprises of only the welded components without any fillers or spanning materials. Forge welding between dissimilar components is begun by the formation of a lesser dissolving heat eutectic between the materials. Due to this the weld is often more powerful than the one-by-one metals. The heat needed to forge weld is normally 50 to 90 per hundred of the dissolving temperature. Steel welds at a lesser heat than iron. The iron alloy may take on a glossy or damp gaze at the welding temperature. Care should be taken to bypass overheating the iron alloy to the issue that it presents off sparks from fast oxidation (burning).
One of the most well renowned submissions of forge welding is in the output of pattern-welded blades. During the method a billet of iron alloy is frequently drawn out, bent back and welded upon itself. Another lesser renowned proposal was the construct of shotgun barrels. Metal cable was spooled up on a mandrel, and then forged into a barrel that was slim, consistent, and strong. Often such things are obnoxious etched to disclose the underlying pattern of iron alloy which is exclusive to each part and adds to their aesthetic appeal. During method, fuel is put in or on the hearth and ignited. A source of going air, for example a follower or bellows, inserts added air into the blaze through the tuyere. With added air, the blaze consumes more fuel and burns hotter. A common Scottish smithy at Auchentiber, North Ayrshire, Scotland.A blacksmith balances the fuel and air in the blaze to match exact kinds of work.
Often this engages modifying and maintaining the form of the fire. In a common, but by no means universal, coal forge, a firepot will be centralised in a flat hearth. The tuyere will advance in the firepot at the bottom. In method, the moderately hot centre of the blaze will be a ball of burning coke in and overhead the firepot. The heart of the blaze will be enclosed by a grade of moderately hot but not burning coke.
Around the unburnt coke will be a transitional grade of coal being changed into coke by the heat of the fire. Surrounding all is a ring or horseshoe-shaped grade of raw coal, generally kept moist and firmly crammed to maintain the form of the fire’s heart and to hold the coal from burning accurately in order that it “cooks” into coke first. If a bigger blaze is essential, the smith increases the air raging torrent into the blaze as well as feeding and deepening the electromagnetic flow meters and inside micrometers coke heart.
The smith can furthermore adapt the extent and breadth of the blaze in such a forge to accommodate distinct forms of work. The foremost kind from the forge and blaze just explained is a ‘back draft’ where there is no blaze vessel, and the tuyere advances into the hearth grade from the back wall. Coke and charcoal may be burned in the identical forges that use coal, but since there is no need to alter the raw fuel at the heart of the blaze (as with coal), the blaze is coordinated differently. Individual smiths and focused submissions have fostered development of a kind of forges of this kind, from the coal forge explained overhead, to easier buildings amounting to a aperture in the ground with a pipe premier into it.
Watch the video related to mig welding
hand made headers. mig welded. no leaks. no cat. single oe resonator. straight thru style muffler. make these headers for under 20 bucks. had lots of pipe laying around. hear for yourself. sounds fucking good. soon to get a video of the actual header and pipe.
Help answer the question about mig welding
mig welding a chain to the frame of a trailer?I am trying to mig weld a chain to the frame of the trailer and i can penetrate the chain but not the trailer what am i doing wrong? it can stick but i can knock it down with a hammer i have grinded the paint were i am welding so i have good ground i have put a bead on top of the trailer no problem but when i try to weld on the side it wont penetrate (vertical)
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But you have to promise to watch my new beef jerky in the oven video …lol
ok ok
A frequently offered trade secret as using copperas, saltpeter, common salt, black oxide of manganese, prussiate of potash, and "nice welding sand".
the flux compacitor
ok thanks. I have a REALLY tight budget so i would rather use cheap wire..but i still want the weld to look and perform decent. Im gonna lift my lawnmower about 4 inches so i need it strong and i want it to look as good as possible so i was just asking. Thanks a lot!
thanks
you’ve got some pretty good videos and now I’m thinking about buying that little arc welder…. How thin of metal can it do and can you make a video trying the welder at all amp.
I used it to make a “suit of Armor” like dude that was made of tacked pieces of paper thin tin like steel and it worked if I hit it real fast. I mainly use it for 16gua-3/16ths/ Sure I’ll make another video with it turned up. I’ll go do that right now as a matter of fact.
There is an article in Scientific American magazine about two years ago that shows the rediscovery of true Damascus steel, which turns out (I think) to be from India. It depends on some uncommon alloying elements that help control the form of iron crystals formed, and the degree to which the carbon remains in solution with the iron.
A previous answer is correct that folding the metal and drilling holes in it (before subsequent folding) creates the rose patterns in the metal. These patterns are the carbide crystals precipitating along the layerings and crystal dislocation patterns in the metal.
Also, for normal knife making, old files are recommended, as they are an easy to obtain source of very high carbon steel. Forming a knife will require many passes of heating, quenching, and annealing, so that the iron may be worked, internal stresses which reduce the ultimate break point can be relieved, and the right crystal forms be created and frozen in place.
USENET news groups are a great source of information.
Do you actually want several layers of different types of metals? Bi-metal saw blades have high carbon outside layers with soft steel inside, but these have to be more flexible that one usually needs in a knife. I am not a sword smith, or sword wielder, but I would think they should be fairly stiff, to make them more controllable.
Good luck with the hobby!
I would recommend Lincoln Electric wire it’s nice and you can make pretty welds with any wire it just takes some practice and if you shine ‘em up, you can get you welds to look like TIG welds!!!
That weld looked pretty good. better than I everd did with that machine.
i have seen worse welding from 30 year olds realy nice job
Not only can iron be welded by hand in a forge, so can steel. Welding iron and steel in a forge has been done for more than a thousand years. A piece of metal is bent around and heated to the point that by hammering the two ends they are actually welded together to form a ring or link. Links are then joined together to form a chain. Also a single piece of metal can be folded back onto itself and by heating and hammering, the steel is welded back onto itself. Samurai swords have been made by this method, repeatedly folding and welding by heat and hammer, for centuries. Damascus steel, which is made by welding iron and different grades of steel together by hand in the forge, may be an even older technique than that used to make the samurai sword.
The trick is getting thru the oxide coating. If you clean it well and reduce the area 50%, it may bond, depends on the Al alloy (a lot). There are many different Al alloys, you have a chance with some, no way with others. Also depends on what kind of properties you need when done.
good luck
Do you recommend a certain brand of flux wire? And is it hard to make the welds look decent?
Both pieces of metal, which should be similar steel to prevent burning of one of them, are brought to a white heat in the area to welded. This is normally done in a blacksmith shop with a small hot coal/coke fire but in industry it would be done with induction heating. The two pieces are cleaned quickly, sprinkled with flux to defeat oxidation, brought together and hammered to bond them. In a blacksmith shop it usually takes at least three hands – one for hammer, one for each piece of metal.
If you line the metal it may hold up. But the shop-vac may be a problem as it will produce too much air. You would need a way to regulate the airflow. The one that I have is 1/4" thick not lined, with a hand crank bellows. Good luck! They are fun to play with.