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SUBSECTION C

API ICP Self Study Materials

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UCS-56(d2)-Heating rates<br />

Temperature<br />

[400 o F/hr]/ thickness.<br />

UCS-56(b) For P-No. 1<br />

materials only, the<br />

heating and cooling rate<br />

restrictions of (d)(2) and<br />

(d)(5) below do not<br />

apply when the heat<br />

treatment following<br />

welding is in the<br />

austenitizing range.<br />

800 o F Maximum<br />

insertion temperature<br />

Time<br />

Fion Zhang/ Charlie Chong<br />

UCS-56

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