7.1 Tension Test— The tensile properties of the material at
room temperature shall conform to those shown in Table 3.
7.1.1 One tension test shall be made on each lot of pipe.
7.2 Flattening Test— One flattening test shall be made on a
specimen from one end of one pipe from each lot.
7.3 Hydrostatic or Nondestructive Electric Test—Each pipe
shall be subjected to either the hydrostatic or the nondestructive
electric test at the manufacturer’s option.