A304-20

Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements

A255-20a

Standard Test Methods for Determining Hardenability of Steel (Includes all amendments and changes 11/16/2020).

A29/A29M-23

Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought

A322-24

Standard Specification for Steel Bars, Alloy, Standard Grades

A576-25

Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality

E112-25e1

Standard Test Methods for Determining Average Grain Size (Includes all amendments and changes 9/9/2026).