What can be the consequences of welding 304 with ER308L?
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A few days ago, I manufactured a container made of 304 material, with a design pressure of 0.4 Mpa; it is not subject to any regulatory requirements. During welding, ER308L was mistakenly used instead of ER308. I’m not sure what consequences this might have – is it necessary to weld it again? Thank you for the advice.
ER308L is a low-carbon welding material, right? I think it’s better than ER308. Looking at the model, the chemical composition should be the same; the only difference is the carbon content. The welding of stainless steel primarily takes corrosion resistance into account. I don’t think there’s a big problem.
The strength of ER308L is lower than that of ER308, but it is similar to that of the base material 304; in my opinion, this isn’t a major issue, and there’s no need for remelting
The consequence of this is that the boss will think the costs are too high and decide to deduct your year-end bonus. There’s nothing else. If you’re worried, you can take a weld sample. Normally, ER308L is used for submerged arc welding of 304 steel, while ER308 is used for manual TIG welding