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Reduced MAWP as per UCS-160

Reduced MAWP as per UCS-160

Reduced MAWP as per UCS-160

(OP)
Hi there!

My vessel need operate at -49°F with MAWP and need operate also at -94°F with a reduced MAWP as per UCS-160. According Fig. UCS-66 is -30°F (SA-516 70N and thickness = 1 in), but the material had impact tested at -54°F, the question is:
What is the MDMT for UCS-66.2 “Step 2” -30°F or -54°F?

Regards.

RE: Reduced MAWP as per UCS-160

Hi PdSL!

The correct temperature is -30 °F.

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