ASTM A269 Properties (Chem., Mech. & Rankings)

In this post I'll talk about and give details about ASTM A269. First let's describe it and then have a look at its material's properties.

What is ASTM A269?

ASTM A269 is a Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

Category

Steel Tubing

Scope

This specification covers grades of nominal-wall thickness, stainless steel tubing for general corrosion-resisting and low or high-temperature service.

Ok let's start with ASTM A269 chemical composition.

Chemical Composition

TP316

C max.

0.035

Mn max.

2.00

P max.

0.045

S max.

0.030

Si max.

1.00

Ni

10.0 - 15.0

Cr

16.0 - 18.0

Mo

2.00 - 3.00

Learn more about chemical composition.

Now it's the mechanical properties turn:

Hardness Requirements

S31254

220 HB or 230 HV max or 96 HRB max.

Learn more about what is hardness.

Density

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

Learn more about density.

Elastic Modulus

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

Learn more about the Elastic Modulus.

Poisson's Ratio

Usually around 0.26 – 0.31.

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 A269 currently ranks 145 in my yield strength index. This means there are other 144 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 A269 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 262 Practices for Detecting Susceptibility to Intergranular⁣
Attack in Austenitic Stainless Steels⁣
A 370 Test Methods and Definitions for Mechanical Testing⁣
of Steel Products⁣
A 480/A 480M Specification for General Requirements for⁣
Flat-Rolled Stainless and Heat-Resisting Steel Plate,⁣
Sheet, and Strip⁣
A 632 Specification for Seamless and Welded Austenitic⁣
Stainless Steel Tubing (Small-Diameter) for General Service⁣
A 1016/A 1016M Specification for General Requirements⁣
for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless⁣
Steel Tubes⁣

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

ASTM,171,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Boiling-Point,94,Chemical-Elements,100,Chemical-Symbol,217,Coefficient-of-Thermal-Expansion,85,Covalent-Radius,87,Crystal-Structure,109,Density,309,Elastic-Modulus,30,Electrical-Conductivity,79,Electro-Affinity,87,Electron-Configuration,109,Electronegativity,102,Electrons-per-Shell,112,Enthalpy-of-Fusion,93,Enthalpy-of-Vaporization,95,Group-Number,218,Heat-of-Fusion,87,Heat-of-Vaporization,85,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,Melting-Point,96,Oxidation-States,104,Period-Number,107,Properties,38,Specific-Gravity,83,Specific-Heat,92,Specific-Weight,1,Tests,2,Thermal-Conductivity,105,Valence-Electrons,98,
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Materials: ASTM A269 Properties (Chem., Mech. & Rankings)
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