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ACI-ASTM CA6N Steel vs. A413.0 Aluminum

ACI-ASTM CA6N steel belongs to the iron alloys classification, while A413.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 ACI-ASTM CA6N steel and the bottom bar is A413.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 17
3.5
Fatigue Strength, MPa 640
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 1080
240
Tensile Strength: Yield (Proof), MPa 1060
130

Thermal Properties

Latent Heat of Fusion, J/g 280
570
Maximum Temperature: Mechanical, °C 740
170
Melting Completion (Liquidus), °C 1440
590
Melting Onset (Solidus), °C 1400
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 23
120
Thermal Expansion, µm/m-K 9.9
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
31
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 2.5
7.6
Embodied Energy, MJ/kg 35
140
Embodied Water, L/kg 110
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
120
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 30
33
Thermal Diffusivity, mm2/s 6.1
52
Thermal Shock Resistance, points 40
11

Alloy Composition

Aluminum (Al), % 0
82.9 to 89
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 77.9 to 83.5
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.35
Nickel (Ni), % 6.0 to 8.0
0 to 0.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
11 to 13
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25