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SAE-AISI 5155 Steel vs. R60901 Alloy

SAE-AISI 5155 steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5155 steel and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 21
17 to 22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
37
Tensile Strength: Ultimate (UTS), MPa 620
500 to 580
Tensile Strength: Yield (Proof), MPa 380
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 49
17
Thermal Expansion, µm/m-K 12
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.6
Embodied Water, L/kg 49
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 380
640 to 760
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
21 to 25
Strength to Weight: Bending, points 21
21 to 24
Thermal Diffusivity, mm2/s 13
9.7
Thermal Shock Resistance, points 20
58 to 67

Alloy Composition


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Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.7 to 0.9
0
Iron (Fe), % 97.2 to 97.9
0
Manganese (Mn), % 0.7 to 0.9
0
Niobium (Nb), % 0
2.4 to 2.8
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29