API Exam API-577 Topic 9 Question 14 Discussion

Actual exam question for API's API-577 exam

Question #: 14
Topic #: 9

When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than 0.42%, which of the following electrodes should be used?

AE7048-H4

BE7048

CE7018-A1

DE7018

Show Suggested Answer

Suggested Answer: D

by Alease at Jul 07, 2025, 11:22 AM

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Anglea

21 hours ago

I'm not sure, but I think E7018-A1 might also work

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Diane

8 days ago

I agree with Coral, E7018 is the best choice for this scenario

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Filiberto

8 days ago

Hmm, I'd say E7018-A1 for that CE above 0.42%. Sounds like the perfect match to me.

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Vincent

9 days ago

E7048-H4 is the way to go! Gotta handle that high-carbon steel with care.

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Coral

15 days ago

I think the correct electrode to use is E7018

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