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Exam API-571 topic 1 question 20 discussion

Actual exam question from API's API-571
Question #: 20
Topic #: 1
[All API-571 Questions]

Liquid metal embrittlement can occur if 300 Series SS comes in contact with molten _______.

  • A. Copper
  • B. Mercury
  • C. Zinc
  • D. Lead
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Suggested Answer: C 🗳️
by ahmadmm at Sept. 4, 2023, 4:40 a.m.

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ahmadmm
1 year, 7 months ago
The embrittler can be external to the metal, such as zinc on the surface of stainless steel, or the embrittler can be internal to the metal, such as the lead in a leaded free-machining steel
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