12/30/2023 0 Comments Welding stainless steel sheet metal![]() The inert gas of the MIG welder further prevents contamination of the weld, and the equipment enables a fast, continuous weld on thicker pieces of stainless steel. The MIG equipment feeds metal welding wire through to the welding run, fusing the two pieces of metal together with electricity. The arc welding machines at Midwest Metal Products include MIG welding equipment. Through their experience and skill, our welders know how to apply TIG welding to achieve precise welds. ![]() Our certified welders also secure stainless parts with fixtures to further avoid warping of the material. Discoloration and warping are minimized with TIG welding, which uses inert gases like argon to prevent oxidation and cool the steel. Tungsten Inert Gas, or TIG welding uses low heat and a compatible filler rod to weld thin metal together. Based on your needs, we will use one of these to achieve the quality level required for the application. Two common methods for welding stainless steel include TIG welding and MIG welding. Grind the tungsten tip to a sharp point to weld steel, and use either ER70S-2 filler metal or a silicon bronze rod. Large-diameter tungsten electrodes require higher amperage to start the arc, leading to warping or burning of the material. Check with the AWS requirements or the job specifications for proper flow rates. To weld thin stock successfully, use a small diameter tungsten electrode like 0.020, 0.040, and 1/16 in. The flow rate on a back purge varies around 40 CFH (Cubic Feet Per Hour) and the torch flow rate varies to around 10 CFH. It is for use with base metals with a minimum thickness of 1/16 in (1.5. Stainless steel can be austenitic, martensitic, ferritic, duplex or precipitation hardened. There are advantages and disadvantages of all the methods, but before you decide, you’ll first have to determine what type of stainless steel you’re working with. In order to weld stainless steel, there are specific methods and techniques required due to its unique properties. You want to keep the pressure inside the pipe greater than the outside. AWS D1.6/D1.6M-2017: Structural Welding Code Stainless Steel contains welding recommendations for the fabrication, assembly, and erection of welded structures and weldments subject to design stress in which at least one of the materials being joined is stainless steel. There are many methods of welding stainless steel, including MIG, GTAW, TIG, and stick welding. ![]() Thermit welding uses a chemical reaction to produce intense heat instead of using gas fuel or electric current. Our certified welders know how to use a variety of methods for welding stainless steel and meet the requirements of our customers. Gas or oxy-fuel welding uses a flame from burning a gas (usually acetylene) to melt metal at a joint to be welded, and is a common method for welding iron, steel, cast iron, and copper. Whether stainless steel parts become part of sterile food processing equipment or structural construction projects, Midwest Metal Products can provide a quality weld. 2 Common Methods for Welding Stainless Steel Specialist in Welding, Stainless Steel Sheet Metal, Pipework, Box Section Frames and Handrails.
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