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ASTM A369 Grade FP92 vs. 2618A Aluminum

ASTM A369 grade FP92 belongs to the iron alloys classification, while 2618A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 ASTM A369 grade FP92 and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 19
4.5
Fatigue Strength, MPa 330
120
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 440
260
Tensile Strength: Ultimate (UTS), MPa 710
440
Tensile Strength: Yield (Proof), MPa 490
410

Thermal Properties

Latent Heat of Fusion, J/g 260
390
Maximum Temperature: Mechanical, °C 590
230
Melting Completion (Liquidus), °C 1490
670
Melting Onset (Solidus), °C 1450
560
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 26
150
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
37
Electrical Conductivity: Equal Weight (Specific), % IACS 10
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.4
Embodied Energy, MJ/kg 40
150
Embodied Water, L/kg 89
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
19
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 25
41
Strength to Weight: Bending, points 22
44
Thermal Diffusivity, mm2/s 6.9
59
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.020
91.5 to 95.2
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.5 to 9.5
0
Copper (Cu), % 0
1.8 to 2.7
Iron (Fe), % 85.8 to 89.1
0.9 to 1.4
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0.3 to 0.6
0 to 0.25
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0.8 to 1.4
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0.15 to 0.25
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.010
0 to 0.2
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 0 to 0.010
0 to 0.25
Residuals, % 0
0 to 0.15