Material of the nameplate base for carbon steel pressure vessels
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Can a stainless steel base be used for the nameplate of carbon steel pressure vessels?
The plaque itself is usually made of 304 stainless steel, while the plaque holder is generally made of the same material as the casing of the equipment to which it is welded.
+1 This is the correct answer. It cannot be welded directly.
Your answer is completely irrelevant; it goes against what the original poster said
Sure, it doesn’t violate any regulations.
Sure. However, it is best for the nameplate holder to be made of the same material as the equipment. Especially for special equipment materials such as low-temperature steel and CR-MO steel, when stress-corrosion-sensitive materials are involved, it is necessary to choose materials of the same type. Avoid welding dissimilar steels.
It’s actually possible, but it’s best to avoid welding different types of steel together
This post was last edited by wanlirn on 2021-11-26 at 16:04. Are you worried that iron infiltration from the carbon steel casing could contaminate the nameplate holder? This is a typical case of knowing the what but not the why