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EN AC-71100 Aluminum vs. ASTM Grade HP Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while ASTM grade HP steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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-71100 aluminum and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
140
Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 1.1
5.1
Fatigue Strength, MPa 150
130
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 260
490
Tensile Strength: Yield (Proof), MPa 230
260

Thermal Properties

Latent Heat of Fusion, J/g 490
320
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 580
1370
Melting Onset (Solidus), °C 520
1330
Specific Heat Capacity, J/kg-K 860
480
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.4
5.8
Embodied Energy, MJ/kg 140
82
Embodied Water, L/kg 1010
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
21
Resilience: Unit (Modulus of Resilience), kJ/m3 360
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 31
17
Thermal Shock Resistance, points 12
11

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
24 to 28
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
29.2 to 42.7
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0 to 2.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0