Heat treatment and welding knowledges in Fe-C

Too many questiions and answers are related to this illustration.

  1. PWHT for weldment
  2. Hydrogen cracking
  3. Non-magnetic in austenite stainless steel.
  4. Mastensite material
  5. Heat treatment of material.

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How can we calculate minimum soaking time for a 30mm carbon steel plate according to ASME SEC8 UCS 56?

ASME Secion VIII Division 1 specified thickness range and base metal subjection to PWHT, we are no need to determine soaking time.