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Exam API-571 All Questions

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Exam API-571 topic 1 question 7 discussion

Actual exam question from API's API-571
Question #: 7
Topic #: 1
[All API-571 Questions]

What structure is 409 stainless steel?

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

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ahmadmm
1 year, 4 months ago
A family of ferritic stainless steels including Types 405, 409, 410S, 430, 442, and 446.
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