PSI - Issue 72

Lazar Jeremić et al. / Procedia Structural Integrity 72 (2025) 91–96

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Table 1. Tank operation and design conditions Stored liquid Refined methanol Design pressure 0.02 bar Design temperature -20°C to +70°C Operating temperature +23°C (ambient) Operation pressure Design code 0.01 bar API 650, 9th ed.

Figure 3. Calibration block for FW shell-bottom with relative defect

Figure 4. Reference block indications on calibration block after PAUT inspection