570-Temperatures

CUI affects Carbon Steel (Temperature Rang)

• 10 - 350°F

• 30- 350°F

• 10 - 400°F

• 30- 400°F

Standard temperature range for a PT exam

• 40 - 130°F

• 40 - 125°F

• 20- 125°F

• 20- 130°F

Minimum flash point of hydrocarbons used for leak testing

• 120°F

• 110°F

• 130°F

• 150°F

Temp. when UT reading should be compensated for temperature

• ≥180°F

• ≥170°F

• ≥160°F

• ≥150°F

CUI affects Stainless Steel (Temperature Range)

• 120 – 500°F

• 120 – 400°F

• 110– 400°F

• 110– 500°F

Typical dew point of hydrochloric acid

• 130°F

• 140°F

• 120°F

• 110°F

Most aggressive CUI temperature range

• 212 – 250°F

• 212 – 260°F

• 210 – 260°F

• 210 – 250°F

Typical dew point of sulfuric acid

• 280°F

• 270°F

• 260°F

• 250°F

Minimum preheat temp. when performing preheat in lieu of a PWHT

• 300°F

• 350°F

• 250°F

• 280°F

Minimum preheat temp. when performing a local PWHT in lieu of full

encirclement PWHT

• 300°F

• 350°F

• 380°F

• 400°F