Theoretically you can use a good coat hanger as filler rod but actual gas rod is preferred. 07-31-2006, 07:48 PM. Tweet. At first, you need to clean the surface. While braze welding is a strong welding type depending on the joints used, it does not require the high levels of heat and energy necessary to fusion weld the two base pieces together. At first, you need to place the new muffler into the exhaust system in its ideal location. Brazing is a process; it doesn't require brass or bronze as a filler. You would need to ensure your BTUs and use an insulating furnace. Welding rods welding using a torch - Yesterday's Tractors I was told the coat hanger did not get hard like the regular weld wire so it was easier to drill. Yes, there is welding rod to use with an oxy/acetylene torch setup. There are affiliate links, so if you do decide to use any of them, Ill earn a small commission. The connection between the two pipes will be more secured since it reduces leaking issues. So, lets see which metals you can braze with a small propane torch. Any place that sells welding supplies should carry them. Acetylene. In brazing or soldering, a dissimilar metal is used that can act as a mediator between the disparate melting points of the two metal pieces being joined. Blowtorches can emit high levels of carbon monoxide in a small space, and it only takes a small amount of carbon monoxide to poison a welder. I haven't bought rod in a long time as I have plenty, it was once a preferred method of welding thinner metals before mig welders became affordable. Most pieces of metal come protected with an anti-corrosion coating that must be scrubbed off before welding. Even though lower-temperature blowtorches are better suited for brazing and soldering than actual welding, blowtorches that run on hotter fuel-air mixtures such as oxyacetylene can hold their own against more complicated welding techniques. Related reading: Can You Arc Weld Outside? Still, even though it might be possible to pull off, it is an inefficient choice for more exotic metals such as aluminum. You can use TiG rods from the welding shop. Plus coat handers are made of really dirty metal. Welding with a blowtorch requires a large amount of heat and thermal energy, which requires a potent source of combustible fuel such as oxyacetylene. Weld/ Coat hanger - Miller Welding Discussion Forums Brazing rods are typically flux-coated, although you can buy the flux separately. For heavier stuff, brazing is easier because it doesn't require so much heat. Take the torch on the welding materials. 1926.350 - Gas welding and cutting. | Occupational Safety and Health Its one of the first procedures that was taught in welding school. A good drill will cut either of the 2. You might think that a propane torch will not generate enough heat to brazing a metal. Gas welding takes practice, but it will make you a better welder. Steel filler is used without a flux; actually the neutral torch flame is the flux. I never understood why folks would use coat hanger wire when proper filler is cheap and readily available. It's kind of a lost art. To prevent vibrating or shaking, move the metal holder slightly towards the rubber eyelet. "publisher": { Once your workspace is prepared, walk through the following procedure to conduct a blowtorch weld: Unlike propane blowtorches, blowtorches that run on acetylene burn hot enough that they can be used for fusion welding applications. But you can choose a MIG welder if your muffler is made from stainless or steel materials. . Generally, soldering needs a medium heat to operate. This is particularly crucial for critical items under weight or pressure. Move the flame around the seam to create a metal bond between the objects. The ads you are seeing are for those magic rods for welding aluminum with a propane torch. Welding With A Propane Torch And Coat Hanger. Group 1: Nortel's Minor Bench Burner , Glass Torch Technology's Bobcat ($195) and Lynx (Triple Mix $435), and Carlisle's Mini CC burners all work with soft or hard glass. Refer to any literature included with your tank for more specific instruction. I haven't bought rod in a long time as I have plenty, it was once a preferred method of welding thinner metals before mig welders became affordable. A propane torch makes welding safe, simple and efficient. I do not know how many types are available, but I do know and have used rods for steel, brass rods for brazing, and rods for welding cast iron. "height": 57 You have to use the propane torch to heat the sample and filler wire. Proper welding filler rods are made from certified, traceable steel containing alloying elements, anti-oxidizers, and a known carbon content. The mixture of oxygen and acetylene produces a high heat and temperature flame that is widely used for: Welding. Most likely the advertised rods are actually brazing rods. However, in most cases, propane torch can solder well. Braze welding is considered a variant to MIG/MAG welding and is performed by melting a filler metal and then flowing it into the joint of the metal assembly. Like was said before it will work but regular filler rod is recomended. At least they won't puddle. It is better to keep it in this condition overnight. But the brazing might not be effective. Blowtorches were designed for cutting metal, rather than binding it together. The AWS says brazing occurs when the filler melts above 840F/450C but is not hot enough to melt the material being joined. Placing them close together will allow the brazed metal to penetrate well. Save my name, email, and website in this browser for the next time I comment. To join two different metals, put them together then move the flame around. Because propane is slower that MAPP, it is sometimes a better option for novice welders when working on copper pipe because overheating your metal is less likely. Put on your safety goggles and thick gloves. But you must follow a proper process since brazing is related to high temperature and flamework. It welded good anyways. Flashback happens when a flame retreats into the torch due to pressure inconsistencies or clogs. Nothing special about the rods. "dateModified": "2020-04-10", Gas tanks must be stored safely and always be kept away from flame and heat. }, unc. baling wire is what I was taught to weld with back in the 70's when i was in school cheep and works well and a small roll lasts a long time. For example, we braze metals to make a mechanically strong joint whereas we solder metals to get an electrically strong joint. Moreover, the flux will be melted and increase the wetting action. How hot does a blowtorch get? What do Welding Shade Numbers Mean? If it is needed, use filler rods to fill the gap. The technique is similar to TiG welding but you're using a torch flame to heat the metal and create the puddle instead of an electric arc. Then, store your propane tank in a safe place. No mater if it is a coat hanger or other type. Yes, propane is pretty good for soldering. Shop Now. You can tell that youve successfully lighted the torch if the flame becomes color blue and if it starts to produce a slight hissing noise. Different types of torches are available for welding exhausted pipes. It is easier to weld with a propane torch than it is with a butane torch, though a propane torch is still only suitable for certain types of braze weldings, such as silver solder or brass brazing. Never had a problem unless my wife sees me stealing them out of the closet. You can O/A or tig weld with a coat hanger as filler. I did experiment with the torch. The final part follows a straight line toward the welding seam and keeps the torch moving. Propane torches are usually do not reach high enough temperatures to be capable of performing effective aluminum welds. related reading: Whats the Difference Between Soldering Brazing and Welding? Is there a rod that I can use with a torch, as I dont have 220 outside the house. Exhaust Pipes: To Weld or Not To Weld? | Opel GT Forum Using a propane torch is advisable because it is accessible, inexpensive, and environmentally friendly. Steel filler is used without a flux; actually the neutral torch flame is the flux. (800) 853-2651. Flux will clean the overall surface and remove all the impurities from the sample. Now, you want to appropriately mix the oxygen and fuel inside the torch tank. Most of what was done was thin stuff 1/8 or under and we never used a rod. Finally, give the weld seam sufficiently enough and let it become stronger. You have to know the requirements of brazing and soldering methods. Mike MD Welding & Fabricating L.L.C. > It's more closely related to brazing, but it's not brazing because there's no brass involved. For providing heat to melt the filler material, you have to use the flame torch. When it comes to welding a muffler, you can use the MIG, TIG, and Stick welding approaches. Here are guidelines to follow. Make sure you are not using metals with very high melting points, such as steel. . Torch welding with gas is a much simpler affair than using a TIG rig. Its always a good idea to work on a project with a more. Coat hangers are cheap, readily available and crappy. Solder melts anyplace from 450 to 950, so getting the base metal red hot guaranteed the solder would bounce. You can braze most metals with a propane torch. What is MAPP Gas, and Why Cant I Find It Anymore? Welcome! It stands on the tail in the back and on two feet in the front. Coat hangers don't use flux. Braze joint is relatively stronger than the solder joint. Never had one fail. Sadly, the simple answer is NO, you need Oxygen and Acetylene to Fusion Weld. In school one of the procedures was welding schedule pipe in place. A handheld torch is smaller than a machine welding torch and versatile enough for a variety of settings and scenarios. Adding a good quality chemical flux can help you reduce the probability of unwanted fault in the welding joint. Either 1/8 or 1/16 dia. "width": 200, Moreover, do not throw your used propane torch anywhere. Welding is most commonly associated with metals and thermoplastics. #5. one is a machinery repair shop and sells both new and ysed horse drawn machinery, other is his cousin and is a horse machinery jocky and runs a construction crew so he gets to a lot of places, that is how he found that heavy cable. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. First, you need to determine how much corrosion the silencer has. At least they won't puddle. Here, we will walk you through the perfect way to weld a muffler using a torch. 1. Regardless of which welding technique is used, however, the main factor that determines the success of the resulting weld is understanding the chemical properties of the materials at hand. Locate to the elastic eyelet and keep the muffler under this eyelet forthrightly. Question: How To Braze Metal With A Propane Torch - BikeHike The coper-brass collord rods are for brazing, not welding. They will fail to reach a high enough temperature for welding a muffler. Regardless of which metal fabrication type you choose, here are a few tips that can help you end up with a better weld: Welding with a blow can be a good entry into the world of welding since the materials are easily accessible, and the process isnt as complicated as a technique like TIG welding. They can melt easily and will be harmful to the person holding them. Welding a muffler with a torch requires following a step-by-step method to joint both metal parts effectively. The next job is sliding the muffler clamp on top of the pipe where one is placed over another. Coat Hangers For Exhaust Work - Weld Talk Message Boards
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