Exam API-571 All QuestionsBrowse all questions from this exam
Question 66

If weld repairs are required, the effects of temper embrittlement can be temporarily reversed (de-embrittled) by heating at ______ for 2 hours per inch of thickness and rapidly cooling to room temperature.

    Correct Answer: B

    The correct process for temporarily reversing the effects of temper embrittlement, known as de-embrittling, involves heating the material to 1150º F for 2 hours per inch of thickness and then rapidly cooling it to room temperature.

Discussion
ahmadmmOption: B

If weld repairs are required, the effects of temper embrittlement can be temporarily reversed (the metal can be de-embrittled) by heating at 1150 °F (620 °C) for 2 hr per 1 in. (25 mm) of thickness and rapidly cooling to room temperature