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SAE-AISI 1144 Steel vs. R60802 Alloy

SAE-AISI 1144 steel belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1144 steel and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 11 to 17
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
36
Tensile Strength: Ultimate (UTS), MPa 750 to 840
430
Tensile Strength: Yield (Proof), MPa 420 to 690
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 51
22
Thermal Expansion, µm/m-K 13
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.5
Embodied Water, L/kg 47
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
85
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
380
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 30
18
Strength to Weight: Bending, points 23 to 25
19
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 22 to 24
53

Alloy Composition

Carbon (C), % 0.4 to 0.48
0
Chromium (Cr), % 0
0.050 to 0.15
Iron (Fe), % 97.5 to 98
0.070 to 0.2
Manganese (Mn), % 1.4 to 1.7
0
Nickel (Ni), % 0
0.030 to 0.080
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0.24 to 0.33
0
Tin (Sn), % 0
1.2 to 1.7
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11