In this post I'll talk about SAE 9255. First let's describe it and then have a look at its material's properties.
What is SAE 9255?SAE 9255 is a silicon-manganese steel that contains 0.55% carbon, approximately.
ApplicationThey are used in seamless mechanical tubing.
Ok let's start with SAE 9255 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 Strength390 MPa
Learn more about Yield Strength.
Tensile Strength680 MPa
Learn more about Tensile Strength.
Learn more about Elongation.
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 9255 currently ranks 57 in my yield strength index. This means there are other 56 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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