ASTM A829 Properties (Chem., Mech. & Rankings) 2022

In this post I'll talk about and give details about ASTM A829. First let's describe it and then have a look at its material's properties.

What is ASTM A829?

ASTM A829 is a Specification for Alloy Structural Steel Plates


Structural Steel Plates


This specification covers structural quality alloy steel plates. The plates are usually specified to chemical composition requirements, but tensile properties may also be specified.

Ok let's start with ASTM A829 chemical composition.

Chemical Composition

Grade 4140


0.36 - 0.44


0.75 - 1.00

P max.


S max.



0.15 - 0.35


0.80 - 1.10


0.15 - 0.25

Learn more aboutĀ chemical composition.

Now it's the mechanical properties turn:

Tensile Strength

When tensile requirements are specified, the requirements must be compatible with the chemical composition, condition, and the plate thickness.

Learn more aboutĀ what is tensile strength.

Allowable Stress

Depends on the project (And its factor of safety).

Learn more about theĀ what is allowable stress.

My Material's Rank

While engineers will often look for the cheapest material they can use, I took a different approach to material's selection to help newbie students.

I ranked materials according to their yield strengths and ASTM A829 currently ranks 169Ā in my yield strength index. This means there are other 168 materials that are more resistant.

Note: I've analysed 134 materials in order to create an yield strength index. Check my astm material's comparison post for more details.

Details and PDF


  1. Go to this page.
  2. Type the name of the standard you are looking for in the search box. Tip: Don't forget to include "ASTM" as a keyword.
  3. Read the details about the standard or download the PDF.

ASTM Classroom

Are you having trouble understanding the basics of ASTM?

What is the difference between Code, Standard & Specification?

This video will walk you through:



When you need to include a fact or piece of information in an assignment or essay you should also include where and how you found that piece of information.

That gives credibility to your paper and it is sometimes required in higher education.

To make your life (and citation) easier just copy & paste the information below into your assignment or essay:

Luz, Gelson. ASTM A829 Properties (Chem., Mech. & Rankings). Materials Blog. dd mmmm. yyyy. <URL>

Now replace dd, mmmm and yyyy with the day, month, and year you browsed this page. Also replace URL for the actual url of this page (The < and > stay, ok?). This citation format is based on MLA.

Other References

A 6/A6M Specification for General Requirements forā£
Rolled Structural Steel Bars, Plates, Shapes, and Sheetā£


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Materials: ASTM A829 Properties (Chem., Mech. & Rankings) 2022
ASTM A829 Properties (Chem., Mech. & Rankings) 2022
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