Welcome! So we bring you this Monel 400 Welding guide from KX-Alloy. Monel 400 is a nickel-copper combination of copper. The notable thing regarding Monel 400 is that it has a high immunity to corrosion which means in any rough situations like saltwater or harsh chemical environments, it does not rust easily. Furthermore, it is ductile (it can flex and stretch) so as not to break. This is why it has been the go to choice for many people in the welding industry that are working on things like airplanes, boats and chemical factories.
Use the Correct Filler Metal: When it comes to welding Monel 400, filler metal is extremely important. You can use a cheap filler metal, but the filler should closely match the base material you are welding. Employing Monel 400 as the filler metal with improve upon a strong, lengthy-lasting bond. The two will also work better together as the metals will be similar.
Sand the Surface: Ensure thorough sanding of metal before starting to weld. The surface needs to be clean and free of dirt, oil or any other material that can obstruct the works. When you begin welding, the weld can be extremely strong due to this bond that was formed.
TIG Welding: One of the most common methods is TIG welding Tungsten: This is a rare metal and can be an important tool for focusing heat on the plate. You supplement your weld with a filler metal in TIG welding to provide additional strength. It is especially well-suited to welding Monel 400, since it applies very little heat and thus avoids melting the metal down too thoroughly.
TIG Welding: This technique is also known as GTAW welding or Gas Tungsten Arc Welding. This is also a technique that uses tungsten electrode to generate heat. What is neat about GTAW welding is it uses a non-consumable electrode; this type of electrode does not get melted away. After all, you are not supposed to be dodging burnt materials or avoiding sparks at every corner but in fact, fill a filler wire simply for the reason that proper welding can take place. This method can make your Monel 400 welding a lot cleaner and help better prepare the surfaces for meticulous welds that tend to look a whole faster aesthetically.
Back Purge: One method you can use to keep your welds clean, free from outside air is back purging. This prevents oxidation and contamination of the weld, which can give a weaker final product. A back purge prevents sooty weld joints that you can show off to be proud of.
Speed of Motion: It is also important to control the speed at which you move your welding torch over the metal. If you move too quickly then a poor weld can result, moving to slowly and there will be excessive heat causing an equally bad job. Download Now Experiment with controlling your speed when working with different thicknesses of metal to produce a nice even finish.
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