Both 1042 steel and 4340 steel are used commercially to make quenched round bars of about the same diameter, such as 1 in. Often, these are fully quenched. Referring to your discussion in 5, give an example of a product for which a steel like 1042 would be preferred, and one for which 4340 or a similar material would be chosen. Explain the reason for the selection of the material in each case