Another specification is SAE J2340 Categorization and Properties of Dent Resistant, High Strength, and Ultra
High Strength Automotive Sheet Steel, with HSLA grades being commonly used.
Here's some typical specs for the frames of HEAVY trucks:
Yield: 110 kpsi min.
UTS: 125 kpsi min.
Elongation: 12% min. in 2"
Hardness: Brinell 254 - 321