ASTM A182 Properties (Chem., Mech. & Rankings) 2022

In this post I'll talk about and give details about ASTM A182. First let's describe it and then have a look at its material's properties.

What is ASTM A182?

ASTM A182 is a Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service.


Corrosion-Resisting and Heat-Resisting Steels


This specification covers forged low alloy and stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts.

Ok let's start with ASTM A182 chemical composition.

Chemical Composition

Grade F22 Class 1


0.05 - 0.15


0.30 - 0.60

P max.


S max.


Si max



2.00 - 2.50


0.87 - 1.13

Learn more aboutĀ chemical composition.

Now it's the mechanical properties turn:

Yield Strength

Grade F22 Class 1

30 ksi (205 MPa) min

Learn more aboutĀ what is yield strength.

Tensile Strength

Grade F22 Class 1

60 ksi (415 MPa) min

Learn more aboutĀ what is tensile strength.

Elongation (min.) 50 mm


Learn more aboutĀ what is elongation.

Reduction of Area (min. %)

Not Required.

Learn more aboutĀ reduction of area.

Hardness Requirements

Grade F22 Class 1

170 HBW mƔx.

Learn more aboutĀ what is hardness.

Impact Requirements

Grade F 3V

54J avg 48J min

Learn more aboutĀ impact testing (charpy v notch).

Other properties:


7480 - 8000 kg/m3 (around 7.9 g/cm3 or 0.285 lb/in3).

Learn more aboutĀ density.

Elastic Modulus

180 GPa (26107 ksi) - 210GPa (30458 ksi).

Learn more about theĀ Elastic Modulus.

Poisson's Ratio

Usually around 0.26 ā€“ 0.31.

Learn more about theĀ poisson ratio.

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 A182 currently ranks 105Ā in my yield strength index. This means there are other 104 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 A182 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

A262 Practices for Detecting Susceptibility to Intergranularā£
Attack in Austenitic Stainless Steelsā£
A275/A275M Practice for Magnetic Particle Examination ofā£
Steel Forgingsā£
A336/A336M Specification for Alloy Steel Forgings forā£
Pressure and High-Temperature Partsā£
A388/A388M Practice for Ultrasonic Examination of Steelā£
A479/A479M Specification for Stainless Steel Bars andā£
Shapes for Use in Boilers and Other Pressure Vesselsā£
A484/A484M Specification for General Requirements forā£
Stainless Steel Bars, Billets, and Forgingsā£
A739 Specification for Steel Bars, Alloy, Hot-Wrought, forā£
Elevated Temperature or Pressure-Containing Parts, orā£
A763 Practices for Detecting Susceptibility to Intergranularā£
Attack in Ferritic Stainless Steelsā£
A961/A961M Specification for Common Requirements forā£
Steel Flanges, Forged Fittings, Valves, and Parts forā£
Piping Applicationsā£
A965/A965M Specification for Steel Forgings, Austenitic,ā£
for Pressure and High Temperature Partsā£
A1049/A1049M Specification for Stainless Steel Forgings,ā£
Ferritic/Austenitic (Duplex), for Pressure Vessels andā£
Related Componentsā£
A1084 Test Method for Detecting Detrimental Phases inā£
Lean Duplex Austenitic/Ferritic Stainless Steelsā£
E92 Test Method for Vickers Hardness of Metallic Materialsā£
(Withdrawn 2010)ā£
E112 Test Methods for Determining Average Grain Sizeā£
E165 Practice for Liquid Penetrant Examination for Generalā£
E340 Test Method for Macroetching Metals and Alloysā£


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Materials: ASTM A182 Properties (Chem., Mech. & Rankings) 2022
ASTM A182 Properties (Chem., Mech. & Rankings) 2022
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