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What standard is used for high-temperature pressure vessels in Europe?

GlassPowder

Mechanical
Mar 31, 2025
1
Hello,

I am designing an unfired pressure vessel with a design temperature of 850 ºC and a design pressure of 3 bar absolute. I was designing according to ASME BPVC, but since I work in Europe, I am unsure whether it is appropriate to use. I tried referencing EN 13445 ("Unfired Pressure Vessels"), but it doesn’t seem to specify materials for such high temperatures.

The code states:
"A material shall only be used for pressure parts within the range of temperatures for which the material properties are defined in the technical specification for the material."

Annex E directs me to various standards for elevated temperature grades based on product form, but for plates, for example (EN 10028-2), the highest temperature specified is 670 ºC. I am aware that Annex E only refers to steels and that nickel-based alloys would be more suitable at this temperature, but I was hoping to find some high-alloy steel, such as Grade 310.

I am a freshly graduated engineer and the only mechanical engineer at the startup where I work, so I admit I am feeling a bit lost here. Could anyone with experience in this field point me in the right direction?

Thanks in advance.
 

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