11.1.1 Marking Dumbbell Specimens—Dumbbell specimens
shall be marked with the bench marker described in 10.2,
with no tension on the specimens at the time of marking. Marks
shall be placed on the reduced section, equidistant from its
center and perpendicular to the longitudinal axis. The between
bench mark distance shall be as follows: for Die C or Die D of
Fig. 2, 25.00 6 0.25 mm (1.00 6 0.01 in.); for any other Die
of Fig. 2, 50.006 0.5 mm (2.00 6 0.02 in.).
11.1.2 Measuring Thickness of Dumbbell Specimens—
Three measurements shall be made for the thickness, one at the
center and one at each end of the reduced section. The median
of the three measurements shall be used as the thickness in
calculating the cross sectional area. Specimens with a difference
between the maximum and the minimum thickness