AISI 316 Properties (Chem., Mech. & Rankings)


 

In this post I'll talk about AISI 316. First let's describe it and then have a look at its material's properties.

What is AISI 316?

AISI 316 is the standard molybdenum-bearing grade. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304.

Application

Food preparation equipment particularly in chloride environments. Laboratory benches and equipment. Coastal architectural panelling, railings and trim. Boat fittings. Chemical containers, including for transport. Heat Exchangers. Woven or welded screens for mining, quarrying and water filtration. Threaded fasteners. Springs.

UNS Number

S31600

Ok let's start with AISI 316 Chemical Composition.

Chemical Composition

C, Carbon max.

0.08

Mn, Manganese max.

2.00

P, Phosphorus max.

0.045

S, Sulfur max.

0.030

Si, Silicon max.

0.75

Cr, Chromium

16.0–18.0

Ni, Nickel

10.0–14.0

Mo, Molybdenum

2.00–3.00

Learn more about Chemical Composition.

Now it's the mechanical properties turn:

Yield Strength

205 MPa

Learn more about Yield Strength.

Tensile Strength

515 MPa

Learn more about Tensile Strength.

Elongation (min.)

40 %.

Learn more about Elongation.

Hardness

217 HBW

Learn more about Hardness.

Density

7.9 g/cm3, 7900 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 316 currently ranks 49 in my yield strength index. This means there are other 48 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 316 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 A193 Grade B8M Class 1 ASTM A193 Grade BSM Class 2 ASTM A193 Grade B8M2 Class 2B

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: AISI 316 Properties (Chem., Mech. & Rankings)
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