AISI 439 Properties (Chem., Mech. & Rankings)


 

In this post I'll talk about AISI 439. First let's describe it and then have a look at its material's properties.

What is AISI 439?

AISI 439 is a titanium-stabilized ferritic steel with improved corrosion resistance, formability, and weldability.

Application

Automotive exhaust systems. Sugar industry equipment. Household appliances.

UNS Number

S43035

Ok let's start with AISI 439 Chemical Composition.

Chemical Composition

C, Carbon max.

0.030

Mn, Manganese max.

1.00

P, Phosphorus max.

0.040

S, Sulfur max.

0.030

Si, Silicon max.

1.00

Cr, Chromium

17.0–19.0

Ni, Nickel max.

0.50

Learn more about Chemical Composition.

Now it's the mechanical properties turn:

Yield Strength

205 MPa

Learn more about Yield Strength.

Tensile Strength

415 MPa

Learn more about Tensile Strength.

Elongation (min.)

22 %.

Learn more about Elongation.

Hardness

183 HBW

Learn more about Hardness.

Density

7.7 g/cm3, 7700 kg/m3.

Learn more about Density.

Elastic Modulus

200 GPa.

Learn more about Elastic Modulus.

Poisson's ratio

0.28.

Learn more about Poisson's ratio.

Allowable Stress or Factor of Safety

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

Learn more about Allowable Stress or Factor of Safety.

AISI Ranking Research (Stainless Steel)

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 AISI 439 currently ranks 70 in my yield strength index. This means there are other 69 materials that are more resistant.

Note: I've analysed 77 materials in order to create an yield strength index. Check my material's comparison post for more details.

AISI Classroom

Are you having trouble understanding the basics of AISI?

What is AISI: Classification and specification?

This video will walk you through:

References

ASTM A240 and other 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 and paste the information below into your assignment or essay:

Luz, Gelson. AISI 439 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. This citation format is based on MLA.

Equivalent Specifications

ASTM A240, EN 10028-7, 1.4510, EN 10088-4.

COMMENTS

Author

Hi, I'm Gelson Luz.

I'm a Mechanical Engineer, expert in Welding and passionate about:

Materials, technology and dogs.

I'm building this blog to be the ultimate engineering learning blog!

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Name

10XX,52,11XX,17,12XX,7,13XX,4,15XX,16,3XXX,2,40XX,10,41XX,12,43XX,5,44XX,4,46XX,5,47XX,3,48XX,3,5XXX,23,6XXX,3,71XX,1,8XXX,22,92XX,5,93XX,1,94XX,4,98XX,2,AISI,66,ASTM,171,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Austenitic,56,Boiling-Point,94,CBS,6,Chemical-Elements,100,Chemical-Symbol,217,CMDS,13,Coefficient-of-Thermal-Expansion,85,Covalent-Radius,87,Crystal-Structure,109,CS,17,CVS,3,Density,309,Duplex,6,Elastic-Modulus,30,Electrical-Conductivity,79,Electro-Affinity,87,Electron-Configuration,109,Electronegativity,102,Electrons-per-Shell,111,Enthalpy-of-Fusion,93,Enthalpy-of-Vaporization,95,Ferritic,12,Group-Number,218,HCS,14,Heat-of-Fusion,87,Heat-of-Vaporization,85,HMCS,16,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,LCS,21,List,281,Martensitic,6,MCS,17,MDS,14,Melting-Point,96,MS,4,NCMDBS,6,NCMDS,31,NCS,2,NMDS,8,Oxidation-States,104,p1,3,Period-Number,107,Properties,40,RCLS,1,RCS,16,RRCLS,3,RRCS,4,SAE,201,Site,2,SMS,5,Specific-Gravity,83,Specific-Heat,92,Specific-Weight,1,SS,80,Tests,2,Thermal-Conductivity,105,Valence-Electrons,98,wt1,16,
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