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851.0 Aluminum vs. ASTM A369 Grade FP92

851.0 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP92 belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 851.0 aluminum and the bottom bar is ASTM A369 grade FP92.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 3.9 to 9.1
19
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 130 to 140
710

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 180
590
Melting Completion (Liquidus), °C 630
1490
Melting Onset (Solidus), °C 360
1450
Specific Heat Capacity, J/kg-K 850
470
Thermal Conductivity, W/m-K 180
26
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
10

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.4
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 1140
89

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 12 to 13
25
Strength to Weight: Bending, points 19 to 20
22
Thermal Diffusivity, mm2/s 69
6.9
Thermal Shock Resistance, points 6.1 to 6.3
19

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0
0.070 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.7
85.8 to 89.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0.3 to 0.7
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 2.0 to 3.0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.3
0