SAE 12L14 Properties ⚙️ (Chem., Mech. & Rankings) rev. 2022


In this post I'll talk about SAE 12L14. First let's describe it and then have a look at its material's properties.

What is SAE 12L14?

SAE 12L14 carbon steel is known as the fastest machining bar product.


They are used in seamless mechanical tubing.

UNS Number


Ok let's start with SAE 12L14 Chemical Composition.

Chemical Composition

C, Carbon

0.15 max

Mn, Manganese


P, Phosphorus max.


S, Sulfur max.


Pb, Lead


Learn more about Chemical Composition.

Now it's the mechanical properties turn:

Yield Strength

260 - 460 MPa

Learn more about Yield Strength.

Tensile Strength

440 - 620 MPa

Learn more about Tensile Strength.

Elongation (min.)

11 - 25%.

Learn more about Elongation.

Reduction of Area (min. %)

39 - 51%.

Learn more about Reduction of Area.



140 - 170

Learn more about Hardness.


7.9 g/cm3.

Learn more about Density.

Elastic Modulus

190 GPa.

Learn more about Elastic Modulus.

Poisson's ratio


Learn more about Poisson's ratio.

My Material's Ranking Research

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 SAE 12L14 currently ranks 148 in my yield strength index. This means there are other 147 materials that are more resistant.

Note: I've analysed 162 materials in order to create an yield strength index. Check my material's comparison post for more details.

SAE Classroom

Are you having trouble understanding the basics of SAE?

What is SAE: Classification and specification?

This video will walk you through:


ASTM A519 and other references.


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. SAE 12L14 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. This citation format is based on MLA.

Equivalent Specifications

ASTM A576 (12L14)⁣
SAE J1397 (12L14)⁣
SAE J403 (12L14)⁣
SAE J412 (12L14)⁣
ASTM A108⁣
SAE J414⁣


Didn’t find what you were looking for?


Materials: SAE 12L14 Properties ⚙️ (Chem., Mech. & Rankings) rev. 2022
SAE 12L14 Properties ⚙️ (Chem., Mech. & Rankings) rev. 2022
Loaded All Posts Not found any posts VIEW ALL Readmore Reply Cancel reply Delete By Home PAGES POSTS View All RECOMMENDED FOR YOU LABEL ARCHIVE SEARCH ALL POSTS Not found any post match with your request Back Home Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sun Mon Tue Wed Thu Fri Sat January February March April May June July August September October November December Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec just now 1 minute ago $$1$$ minutes ago 1 hour ago $$1$$ hours ago Yesterday $$1$$ days ago $$1$$ weeks ago more than 5 weeks ago Followers Follow THIS PREMIUM CONTENT IS LOCKED STEP 1: Share to a social network STEP 2: Click the link on your social network Copy All Code Select All Code All codes were copied to your clipboard Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy Table of Content