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ASTM A369 Grade FP92 vs. 2025 Aluminum

ASTM A369 grade FP92 belongs to the iron alloys classification, while 2025 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
110
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 19
15
Fatigue Strength, MPa 330
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 440
240
Tensile Strength: Ultimate (UTS), MPa 710
400
Tensile Strength: Yield (Proof), MPa 490
260

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 590
190
Melting Completion (Liquidus), °C 1490
640
Melting Onset (Solidus), °C 1450
520
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 26
150
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
40
Electrical Conductivity: Equal Weight (Specific), % IACS 10
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 2.8
7.9
Embodied Energy, MJ/kg 40
150
Embodied Water, L/kg 89
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
55
Resilience: Unit (Modulus of Resilience), kJ/m3 620
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 25
37
Strength to Weight: Bending, points 22
40
Thermal Diffusivity, mm2/s 6.9
58
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0 to 0.020
90.9 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 to 0.1
Copper (Cu), % 0
3.9 to 5.0
Iron (Fe), % 85.8 to 89.1
0 to 1.0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.3 to 0.6
0.4 to 1.2
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
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
0.5 to 1.2
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.010
0 to 0.15
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0 to 0.010
0
Residuals, % 0
0 to 0.15