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EN AC-48100 Aluminum vs. EN AC-51200 Aluminum

Both EN AC-48100 aluminum and EN AC-51200 aluminum are aluminum alloys. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-48100 aluminum and the bottom bar is EN AC-51200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 140
80
Elastic (Young's, Tensile) Modulus, GPa 76
67
Elongation at Break, % 1.1
1.1
Fatigue Strength, MPa 120 to 130
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 29
25
Tensile Strength: Ultimate (UTS), MPa 240 to 330
220
Tensile Strength: Yield (Proof), MPa 190 to 300
150

Thermal Properties

Latent Heat of Fusion, J/g 640
410
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 470
570
Specific Heat Capacity, J/kg-K 880
910
Thermal Conductivity, W/m-K 130
92
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
22
Electrical Conductivity: Equal Weight (Specific), % IACS 87
74

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.8
2.6
Embodied Carbon, kg CO2/kg material 7.3
9.6
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 940
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 3.6
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
51
Strength to Weight: Axial, points 24 to 33
24
Strength to Weight: Bending, points 31 to 38
31
Thermal Diffusivity, mm2/s 55
39
Thermal Shock Resistance, points 11 to 16
10

Alloy Composition


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Aluminum (Al), % 72.1 to 79.8
84.5 to 92
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0 to 1.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.25 to 0.65
8.0 to 10.5
Manganese (Mn), % 0 to 0.5
0 to 0.55
Nickel (Ni), % 0 to 0.3
0 to 0.1
Silicon (Si), % 16 to 18
0 to 2.5
Tin (Sn), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 1.5
0 to 0.25
Residuals, % 0 to 0.25
0 to 0.15