In this post I'll talk about SAE 1050. First let's describe it and then have a look at its material's properties.
What is SAE 1050?SAE 1050 is a medium carbon steel with 0.50% carbon content, approximately.
ApplicationThere is no known commercial application. However, they may be used in rails, gears and parts requiring high strength and hardness.
Ok let's start with SAE 1050 Chemical Composition.
P, Phosphorus max.0.040
S, Sulfur max.0.050
Learn more about Chemical Composition.
Now it's the mechanical properties turn:
Typical properties50 ksi, 345 MPa (Hot Rolled). 70 ksi, 483 MPa (Stress Relieved). 38 ksi, 262 MPa (Annealed). 50 ksi, 345 MPa (Normalized)
Learn more about Yield Strength.
Typical properties80 ksi, 552 MPa (Hot Rolled). 82 ksi, 565 MPa (Stress Relieved). 68 ksi, 469 MPa (Annealed). 78 ksi, 538 MPa (Normalized)
Learn more about Tensile Strength.
Elongation (min.) 50 mm typical11 - 17%.
Learn more about Elongation.
Reduction of Area (min. %)34 - 45%.
Learn more about Reduction of Area.
Typical Rockwell85 HRB (Hot Rolled). 86 HRB (Stress Relieved). 74 HRB (Annealed). 82 HRB (Normalized)
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 1050 currently ranks 95 in my yield strength index. This means there are other 94 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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Luz, Gelson. SAE 1050 Properties (Chem., Mech. & Rankings). Materials Blog. Gelsonluz.com. dd mmmm. yyyy. URL
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Equivalent SpecificationsAMS 5085
ASTM A29 (1050)
ASTM A510 (1050)
ASTM A519 (1050)
ASTM A576 (1050)
ASTM A682 (1050)
QQ S700 (C1050)
SAE J1397 (1050)
SAE J403 (1050)
SAE J412 (1050)