Steel Bar Family Standard

The following are the specifications and requirements for the manufacturing&processing, inspection&testing, and industry application of steel bar products under ASTM standards.

A331-95(2000) Standard Specification for Steel Bars, Alloy, Cold-Finished (Withdrawn 2004)
A255-20a Standard Test Methods for Determining Hardenability of Steel
E618-07(2018) Standard Test Method for Evaluating Machining Performance of Ferrous Metals Using an Automatic Screw/Bar Machine (Withdrawn 2023)
A675/A675M-14(2019) Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality, Mechanical Properties
A321-90(2001) Standard Specification for Steel Bars, Carbon, Quenched and Tempered (Withdrawn 2007)
A499-15(2020) Standard Specification for Steel Bars and Shapes, Carbon Rolled from “T” Rails
A304-20 Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
A575-20 Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades
A311/A311M-04(2020) Standard Specification for Cold-Drawn, Stress-Relieved Carbon Steel Bars Subject to Mechanical Property Requirements
A739-90a(2022) Standard Specification for Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both
A921/A921M-93(2022) Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, for Subsequent Hot Forging
A702-22 Standard Specification for Steel Fence Posts, Hot Wrought
A355-89(2022) Standard Specification for Steel Bars, Alloys, for Nitriding
A696-17(2022) Standard Specification for Steel Bars, Carbon, Hot-Wrought or Cold-Finished, Special Quality, for Pressure Piping Components
A1040-17(2022) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels
A1075-12(2022) Standard Specification for Flanged Steel U-Channel Posts
A29/A29M-23 Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
A663/A663M-23 Standard Specification for Steel Bars, Carbon, Merchant Quality, Mechanical Properties
A400-23 Standard Practice for Steel Bars, Selection Guide, Composition, and Mechanical Properties
A108-24 Standard Specification for Steel Bar, Carbon and Alloy, Cold-Finished
A914/A914M-19(2024) Standard Specification for Steel Bars Subject to Restricted End-Quench Hardenability Requirements
A125-24 Standard Specification for Steel Springs, Helical, Heat-Treated
A322-24 Standard Specification for Steel Bars, Alloy, Standard Grades
A434/A434M-24 Standard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered
A920/A920M-24e1 Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, Mechanical Properties
A576-25 Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality
A689-25 Standard Specification for Carbon and Alloy Steel Bars for Springs