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R60705 Alloy vs. EN AC-45300 Aluminum

R60705 alloy belongs to the otherwise unclassified metals classification, while EN AC-45300 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is R60705 alloy and the bottom bar is EN AC-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
71
Elongation at Break, % 18
1.0 to 2.8
Fatigue Strength, MPa 290
59 to 72
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 37
27
Tensile Strength: Ultimate (UTS), MPa 540
220 to 290
Tensile Strength: Yield (Proof), MPa 430
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 250
470
Specific Heat Capacity, J/kg-K 270
890
Thermal Conductivity, W/m-K 17
150
Thermal Expansion, µm/m-K 6.3
22

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 450
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 950
160 to 390
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 22
23 to 29
Strength to Weight: Bending, points 22
30 to 35
Thermal Diffusivity, mm2/s 9.5
60
Thermal Shock Resistance, points 63
10 to 13

Alloy Composition

Aluminum (Al), % 0
90.2 to 94.2
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
1.0 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.35 to 0.65
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.25
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 91 to 98
0
Residuals, % 0
0 to 0.15