ASTM A126 Properties (Chem., Mech. & Rankings) rev. 2021

In this post I'll talk about and give details about ASTM A126. First let's describe it and then have a look at its material's properties.

What is ASTM A126?

ASTM A126 is a Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

Category

Gray iron for castings

Scope

This specification covers three classes of gray iron for castings intended for use as valve pressure retaining parts, pipe fittings, and flanges.

Ok let's start with ASTM A126 chemical composition.

Chemical Composition

P max.

0.75

S max.

0.15

Learn more about chemical composition.

Now it's the mechanical properties turn:

Tensile Strength

Class B

31 ksi (214 MPa) min

Learn more about what is tensile strength.

Allowable Stress

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

Learn more about the 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 A126 currently ranks 136 in my yield strength index. This means there are other 135 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.

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:

References

Citation

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 A126 Properties (Chem., Mech. & Rankings). Materials Blog. Gelsonluz.com. 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 48 Specification for Gray Iron Castings⁣
A 644 Terminology Relating to Iron Castings⁣
E 8 Test Methods for Tension Testing of Metallic Materials⁣

COMMENTS

Who is Gelson Luz anyway?


Gelson Luz is a Mechanical Engineer, expert in welding and passionate about materials. Search for "Gelson Luz" in your favorite browser to learn more.
Name

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Materials: ASTM A126 Properties (Chem., Mech. & Rankings) rev. 2021
ASTM A126 Properties (Chem., Mech. & Rankings) rev. 2021
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