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ASTM A369 Grade FP91 vs. A360.0 Aluminum

ASTM A369 grade FP91 belongs to the iron alloys classification, while A360.0 aluminum belongs to the aluminum alloys. There are 31 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 FP91 and the bottom bar is A360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
75
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 19
1.6 to 5.0
Fatigue Strength, MPa 320
82 to 150
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Shear Strength, MPa 410
180
Tensile Strength: Ultimate (UTS), MPa 670
180 to 320
Tensile Strength: Yield (Proof), MPa 460
170 to 260

Thermal Properties

Latent Heat of Fusion, J/g 270
530
Maximum Temperature: Mechanical, °C 600
170
Melting Completion (Liquidus), °C 1460
680
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 10
100

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 2.6
7.8
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 88
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.6 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 560
190 to 470
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 24
19 to 34
Strength to Weight: Bending, points 22
27 to 39
Thermal Diffusivity, mm2/s 6.9
48
Thermal Shock Resistance, points 18
8.5 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.020
85.8 to 90.6
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 87.3 to 90.3
0 to 1.3
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0.3 to 0.6
0 to 0.35
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.5
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.2 to 0.5
9.0 to 10
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
0 to 0.5
Zirconium (Zr), % 0 to 0.010
0
Residuals, % 0
0 to 0.25