In this post I'll talk about SAE 1021. First let's describe it and then have a look at its material's properties.
What is SAE 1021?SAE 1021 carbon steel is a low carbon steel with 0.21% carbon content, approximately.
ApplicationSAE 1021 carbon steel is mostly used in extruding and cold heading processes.
Ok let's start with SAE 1021 Chemical Composition.
P, Phosphorus max.0.040
S, Sulfur max.0.050
Learn more about Chemical Composition.
Now it's the mechanical properties turn:
Yield Strength260 - 450 MPa
Learn more about Yield Strength.
Tensile Strength480 - 530 MPa
Learn more about Tensile Strength.
Elongation (min.)17 - 27%.
Learn more about Elongation.
Reduction of Area (min. %)46 - 54%.
Learn more about Reduction of Area.
Brinell130 - 150
Learn more about Hardness.
Learn more about Density.
Elastic Modulus190 GPa.
Learn more about Elastic Modulus.
Learn more about Poisson's ratio.
Allowable Stress or Factor of SafetyDepends on the project (And its factor of safety).
Learn more about Allowable Stress or Factor of Safety.
My Material's Ranking ResearchWhile 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 1021 currently ranks 140 in my yield strength index. This means there are other 139 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 ClassroomAre you having trouble understanding the basics of SAE?
What is SAE: Classification and specification?
This video will walk you through:
ReferencesASTM A519 and other references.
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Equivalent SpecificationsASTM A29 ASTM A510 ASTM A512 ASTM A513
ASTM A545 ASTM A548 ASTM A576 ASTM A635
ASTM A794 ASTM A830 SAE J1397 SAE J403
ASTM A519 SAE J414 SAE J412 ASTM A659