In this post I'll talk about SAE 4422. First let's describe it and then have a look at its material's properties.
What is SAE 4422?SAE 4422 is a molybdenum steel with approximately 0.22% carbon.
ApplicationMolybdenum is used in structural steels because of its corrosion resistance, strength and durability.
Ok let's start with SAE 4422 Chemical Composition.
P, Phosphorus max.0.040
S, Sulfur max.0.040
Learn more about Chemical Composition.
Now it's the mechanical properties turn:
Yield Strength560 MPa
Learn more about Yield Strength.
Tensile Strength862 MPa
Learn more about Tensile Strength.
Learn more about Elongation.
Reduction of Area (min. %)0,55.
Learn more about Reduction of Area.
Learn more about Hardness.
Learn more about Density.
Elastic Modulus205 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 4422 currently ranks 16 in my yield strength index. This means there are other 15 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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