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SAE-AISI O7 Steel vs. R60802 Alloy

SAE-AISI O7 steel belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 16 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 O7 steel and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 680 to 2110
430

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 41
22
Thermal Expansion, µm/m-K 12
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.5
Embodied Water, L/kg 52
290

Common Calculations

Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24 to 74
18
Strength to Weight: Bending, points 22 to 46
19
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 23 to 70
53

Alloy Composition

Carbon (C), % 1.1 to 1.3
0
Chromium (Cr), % 0.35 to 0.85
0.050 to 0.15
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.9 to 97.6
0.070 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
0.030 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 1.7
Tungsten (W), % 1.0 to 2.0
0
Vanadium (V), % 0 to 0.4
0
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11