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Exam API-571 All Questions

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Exam API-571 topic 1 question 2 discussion

Actual exam question from API's API-571
Question #: 2
Topic #: 1
[All API-571 Questions]

What structure is 304 stainless steel?

  • A. Martensitic
  • B. Austenitic
  • C. Duplex
  • D. Ferritic
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Suggested Answer: B 🗳️

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ahmadmm
1 year, 4 months ago
The 300 series SS, which commonly include Types 304, 304L, 304H, 309, 310, 316, 316L, 316H, 317, 317L, 321, 321H, 347, and 347H. The “L” and “H” suffixes refer to controlled ranges of low and high carbon content, respectively. These alloys are characterized by an austenitic structure.
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