SC Structural Framing Practice Questions - South Carolina Structural Framing Contractor Examination Exam

AWS D1.1 preheat for ASTM A992 (typically Category B) when the thicker part being welded is 1 inch is most nearly:

32°F (essentially above freezing) for T up to 3/4 inch, and 50°F when T is over 3/4 inch through 1-1/2 inches No preheat is ever required for A992 300°F for every A992 thickness 150°F only when the air temperature is above 70°F

Correct Answer:

32°F (essentially above freezing) for T up to 3/4 inch, and 50°F when T is over 3/4 inch through 1-1/2 inches

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