Specify the curve used to check the material. As defined by B31.3 (Section 323.2.2), some carbon steels are limited to a “minimum metal” temperature (as shown in Figure 323.2.2 of the B31.3 section). If this code section is applicable, select A, B, C, or D. If this code section is not applicable, leave this box blank.
CAESAR II does not currently use this information.