![]() Projects that mix metal types simply will not result in as strong of a weld as those that use a consistent metal throughout the project. This compromised strength is generally due to the differences in melting points and welding temperatures in addition to the operational tolerance of each metal. In addition, when mixing metals, the weld is often not as strong even when using filler based welding methods. This contributes to a weaker final product. Therefore, when mixing these two metals, you are putting your stainless steel at high risk for rust which can majorly impact the soundness of your project. Unfortunately, when stainless steel gets mixed with particles from carbon steel, it destroys the protective oxide layer that prevents rust. For steel that is being exposed to conditions that can cause corrosion, such as being immersed in salt water, can compromise the integrity of the steel. ![]() Unlike carbon steel, stainless steel has strong corrosion resistance. This can add significantly more time and cost if your joints won’t hold. Since each metal will expand differently, there can be increased fatigue to the welded joint which in the long run can reduce the wire form’s structural integrity. It is also important to keep in mind that the thermal expansion from the heat will impact each of your metals in different ways. This can cause overheating which generally results in the metal cracking. Since this metal is more electrically resistant than carbon steel, the stainless steel will heat up much faster if resistance welding is used. With this type of project, it is more likely that you will experience hot cracking of the stainless steel being used. This process can often result in increased labor, error rates, and cost on the project. Sponsored Links Since this is a more difficult process, those who are not as skilled or experienced in welding may have difficulties melding two different metals together. Potential Difficulties Welding Stainless Steel to Carbon Steel carbon steel pipesĪlthough many welders choose not to weld dissimilar metals together due to the challenge this can present, it can be done! In this article, we will walk you through how to properly weld stainless steel to carbon steel, what to avoid in this process, and present you with the challenges you may face throughout your project. However, MIG welding is recommended due to the different melting temperatures of the different steels because it uses a filler material to connect the different steels. ![]() Stainless steels including a grade 304 or grade 316 can be welded to a plain carbon steel using metal arc welding (MIG) or tungsten arc welding (TIG) welding. So, how do you weld stainless steel to carbon steel? Welding dissimilar metals can be tricky in many situations, however, some can be welded successfully. When welding with different kinds of steel, it can be tricky to get the metals to work well together and also avoid rusting in your final product. We may receive a commission for purchases made through links. This site contains affiliate links to products.
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