Design procedures using either the ASD or the LRFD specifications require the use of many numerical values which represent the section properties of the individual shapes or plates under consideration. Several publications in the form of handbooks have been developed by the industry to provide the designer with this and other useful information. In addition, many steel producers publish handbooks which provide section property values for the products they market. Table 7.9 lists several handbooks widely used by design professionals, as well as other design guides which address specific design features.