Which of the following statements is not correct in the selection of a material for the design of shafts:
Hot-rolled steel is used for larger sizes.
Hot-rolled steel should be machined to remove carburized outer layer.
It is a good practice to start with an inexpensive low or medium carbon steel for the first calculations.
Hot-rolled steel is used for diameters under 3 inches.
Cold-drawn (rolled) steel is used for diameters under 3 inches.