ASTM A336 Properties (Chem., Mech. & Rankings) rev. 2022

In this post I'll talk about and give details about ASTM A336. First let's describe it and then have a look at its material's properties.

What is ASTM A336?

ASTM A336 is a Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts.


Corrosion-Resisting and Heat-Resisting Steels


This specification covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associated equipment.

Ok let's start with ASTM A336 chemical composition.

Chemical Composition

Grade F22


0.05 - 0.15


0.30 - 0.60

P max.


S max.


Si max.



2.00 - 2.50


0.90 - 1.10

Learn more about chemical composition.

Now it's the mechanical properties turn:

Yield Strength

Grade F22 Class 3

45 ksi ( 310 MPa) min.

Learn more about what is yield strength.

Tensile Strength

Grade F22 Class 3

75 - 100 ksi (515 - 690 MPa)

Learn more about what is tensile strength.

Elongation (min.) 50 mm


Learn more about what is elongation.

Reduction of Area (min. %)


Learn more about reduction of area.

Impact Requirements

Grade F22V

54J avg and 48J minimum at -18°C

Learn more about impact testing (charpy v notch).

Other properties:


7800 - 8000 kg/m3 (around 7.9 g/cm3 or 0.285 lb/in3).

Learn more about density.

Elastic Modulus

190 GPa (27557 ksi) - 210GPa (30458 ksi).

Learn more about the Elastic Modulus.

Poisson's Ratio

0.27 – 0.30.

Learn more about the poisson ratio.

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 A336 currently ranks 58 in my yield strength index. This means there are other 57 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:



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 A336 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 275/A 275M Practice for Magnetic Particle Examination⁣
of Steel Forgings⁣
A 335/A 335M Specification for Seamless Ferritic Alloy-⁣
Steel Pipe for High-Temperature Service⁣
A 370 Test Methods and Definitions for Mechanical Testing⁣
of Steel Products⁣
A 788/A 788M Specification for Steel Forgings, General⁣
A 965/A 965M Specification for Steel Forgings, Austenitic,⁣
for Pressure and High Temperature Parts⁣
E 165 Test Method for Liquid Penetrant Examination⁣



Materials: ASTM A336 Properties (Chem., Mech. & Rankings) rev. 2022
ASTM A336 Properties (Chem., Mech. & Rankings) rev. 2022
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