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EN AC-21100 Aluminum vs. ASTM A182 Grade F5a

EN AC-21100 aluminum belongs to the aluminum alloys classification, while ASTM A182 grade F5a belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 EN AC-21100 aluminum and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
310
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 6.2 to 7.3
25
Fatigue Strength, MPa 79 to 87
380
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
74
Tensile Strength: Ultimate (UTS), MPa 340 to 350
710
Tensile Strength: Yield (Proof), MPa 210 to 240
520

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Maximum Temperature: Mechanical, °C 170
510
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.5
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1150
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
160
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
700
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 31 to 33
25
Strength to Weight: Bending, points 36 to 37
23
Thermal Diffusivity, mm2/s 48
11
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
0
Carbon (C), % 0
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 4.2 to 5.2
0
Iron (Fe), % 0 to 0.19
91.4 to 95.6
Manganese (Mn), % 0 to 0.55
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.18
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0