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To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?
Suggested Answer: B
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32 comments · newest first
CA
Carlton
10 months ago
I agree, HRC 22 is the sweet spot!
EL
Elsa
10 months ago
Wait, HRC 32? That seems way too high!
KA
Kallie
11 months ago
Definitely HRC 20 for sure!
DO
Dottie
11 months ago
I thought it was HRC 25.
BA
Barbra
11 months ago
HRC 22 is the max hardness for wet H2S, right?
KE
Kelvin
11 months ago
I thought it was HRC 32, but that seems too high for cracking concerns in H2S service.
ST
Stevie
12 months ago
I’m leaning towards HRC 20, but I recall there being some debate about the exact number in class.
HU
Huey
12 months ago
I remember practicing a similar question, and I feel like HRC 25 was mentioned as a limit, but it could be higher.
HA
Haydee
12 months ago
I think the maximum hardness for wet H2S service is around HRC 22, but I'm not completely sure.
BO
Bong
12 months ago
I'm confident I know the answer to this. Harder materials are generally more resistant to cracking in corrosive environments.
AS
Ashlee
12 months ago
Okay, I've got a strategy. I'll think through the factors that contribute to cracking resistance and see which hardness level best fits the criteria.
AN
Annabelle
12 months ago
Hmm, I'm not too sure about this. I'll have to review my notes on material properties and corrosion resistance.
RU
Rueben
1 year ago
This is a tricky one. I'll need to think carefully about the relationship between hardness and cracking in wet H2S environments.
MA
Margurite
2 years 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.
AS
Ashton
2 years ago
I'm going with HRC 20.
DO
Dorcas
2 years ago
I believe it's HRC 22.
RO
Ronnie
2 years ago
I'm not so sure, I think it might be HRC 25.
LI
Lisbeth
2 years ago
I think the correct answer is HRC 32.
SE
Selene
2 years ago
HRC 20? Really? I'd like to see that weld hold up against a sneeze, let alone wet H2S service.
AN
Antione
2 years ago
Definitely HRC 22. This isn't a sword fight, we don't need overkill here.
LO
Lore
2 years ago
Yeah, no need to go overboard with HRC 32. HRC 22 is the way to go.
EL
Elke
2 years ago
I agree, HRC 22 should be sufficient for wet H2S service.
KA
Karan
2 years ago
HRC 25 seems like the sweet spot to me. Anything higher might make the weld too brittle.
AL
Alberta
2 years ago
I think HRC 25 strikes the right balance between hardness and avoiding brittleness.
LE
Leota
2 years ago
I agree, HRC 25 is the best choice for weldments in wet H2S service.
MI
Micheline
2 years ago
I'm not sure, but I think D) HRC 32 might be too high for this application.
SC
Scarlet
2 years ago
I agree with Jestine, HRC 25 makes sense for wet H2S service.
JE
Jestine
2 years ago
I think the answer is C) HRC 25.
CH
Cherry
2 years ago
I'd go with HRC 32. Gotta keep that weld extra tough to withstand the wet H2S service!
EL
Elza
2 years ago
HRC 32 seems like the best option to ensure the weldments are strong enough.
DO
Dortha
2 years ago
I would choose HRC 32 as well, better safe than sorry.
CA
Cassi
2 years ago
I think HRC 32 is the way to go for sure.