API Exam API-577 Topic 2 Question 5 Discussion

Actual exam question for API's API-577 exam

Question #: 5
Topic #: 2

To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?

AHRC 20

BHRC 22

CHRC 25

DHRC 32

Show Suggested Answer

Suggested Answer: B

by Jaclyn at Jan 14, 2025, 04:35 PM

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Margurite

12 days ago

I bet the correct answer is HRC 32. If it's tough enough for Wolverine's adamantium claws, it'll work for this too.

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Selene

17 days ago

HRC 20? Really? I'd like to see that weld hold up against a sneeze, let alone wet H2S service.

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Antione

20 days ago

Definitely HRC 22. This isn't a sword fight, we don't need overkill here.

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Elke

10 days ago

I agree, HRC 22 should be sufficient for wet H2S service.

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1 months ago

I'd go with HRC 32. Gotta keep that weld extra tough to withstand the wet H2S service!

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Elza

16 days ago

HRC 32 seems like the best option to ensure the weldments are strong enough.

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Dortha

23 days ago

I would choose HRC 32 as well, better safe than sorry.

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Cassi

1 months ago

I think HRC 32 is the way to go for sure.

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