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API 653 > Temperatures > Flashcards

Temperatures Flashcards

1
Q

Reconstruction - Base metal temp when hand-warm pre-heat is required

A

0 - 32 degrees F

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2
Q

Linings - Minimum temp when performing abrasive blasting

A

5 degrees F above dew point

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3
Q

Linings - Minimum temp when installing tank bottom linings

A

5 degrees F above dew point

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4
Q

Corrosion – The corrosion rate of steel tank bottoms may double with this rise in temperature

A

18 degrees F

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5
Q

UT Calibration - Calibration Block must be within what temperature of the part to be examined

A

25 degrees F

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6
Q

Vacuum Box - Standard temperature range for VB exam

A

40 - 125 degrees F

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7
Q

PT - Standard temperature range for a PT exam

A

40 - 125 degrees F

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8
Q

Impact Test - Design metal temperature that requires weld procedure used for vertical welds to be impacted tested

A
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9
Q

Brittle - Tank metal temperature where brittle fracture is NOT a concern

A

> 60 degrees F

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10
Q

Bottom Lap Patches - Metal temp where lap-patches are NOT allowed in critical zone on SS tank

A

> 100 degrees F

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11
Q

Intervals - If tank product solidify below this temperature, the code maximum interval rules do not apply

A
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12
Q

Preheat - Approximate temp of a required hand-warm pre-heat

A

140 degrees F

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13
Q

Corrosion - Temperature when high strength caustic causes serious corrosion in CS and 300 SS

A

> 150 degrees F

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14
Q

Preheat - Required pre-heat temperature for shell welds over 1.5” thick during Reconstruction

A

200 degrees F

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15
Q

Bottom Lap Patches - Metal temperature where lap-patches are NOT allowed in the critical zone on CS tanks

A

> 200 degrees F

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16
Q

Temperature Range for API 650 App M

A

200 - 500 degrees F

17
Q

Corrosion - Most aggressive temperature range for CUI. Range for API 575 and API 571

A

120 – 200 degrees F

212 - 250 degrees F

18
Q

Preheat - Minimum pre-heat temperature, when pre-heat is substituted for PWHT

A

300 degrees F

19
Q

Maximum temperature for UT readings

A

1000 degrees F

20
Q

PWHT Temperature

A

1100 - 1200 degrees F

21
Q

Reconstruction - Base metal temp where welding is not allowed

A

API 653 (14 decks)

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