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API 571-Temper Embrittlement Description of Damage
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What is Temper Embrittlement?
Temper embrittlement is the reduction in toughness due to a metallurgical change that can occur in some low alloy steels.
What causes Temper embrittlement?
Long term exposure in the temperature range of about 650°F to 1070°F (343°C to 577°C).
What change does Temper Embrittlement cause?
An upward shift in the ductile-to-brittle transition temperature as measured by Charpy impact testing.
When is temper embrittled equipment susceptible to brittle fracture?
At start-up and shut-down?
When is loss of toughness not evident?
@ operating temperature.
Author
egf4201
ID
349523
Card Set
API 571-Temper Embrittlement Description of Damage
Description
Description of Damage
Updated
2019-11-13T13:46:53Z
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