I always thought pressure vessel codes were mostly the same, but a spec sheet from a German supplier proved me wrong

I was looking at some replacement boiler tubes for a job in Cincinnati, and the supplier sent over the European EN 12952 specs alongside the ASME ones. The wall thickness tolerance for the same pressure rating was almost 10% different, which is a huge deal when you're doing the math for a repair. I found it in the fine print on the material certs they emailed over. It made me realize we might be over-engineering some things just because we're only used to one set of rules. Has anyone else had to cross-reference international codes for a stateside job?

2 comments

2 Comments

michaela1611h ago

Guess my old boss was right about me never reading the fine print.

nina_sullivan615h ago

Tell you what, fine print is getting ridiculous these days. They hide the worst stuff in tiny gray text on purpose. It's not about not reading it, it's about them making it impossible to actually understand without a law degree. My last phone contract was like fifty pages of nonsense. They count on normal people just giving up and clicking agree.