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EN 1.7703 Steel vs. 213.0 Aluminum

EN 1.7703 steel belongs to the iron alloys classification, while 213.0 aluminum belongs to the aluminum 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 1.7703 steel and the bottom bar is 213.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
85
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 20
1.5
Fatigue Strength, MPa 320 to 340
93
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
28
Tensile Strength: Ultimate (UTS), MPa 670 to 690
190
Tensile Strength: Yield (Proof), MPa 460 to 500
130

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 460
170
Melting Completion (Liquidus), °C 1470
670
Melting Onset (Solidus), °C 1430
480
Specific Heat Capacity, J/kg-K 470
850
Thermal Conductivity, W/m-K 39
130
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
94

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
11
Density, g/cm3 7.9
3.2
Embodied Carbon, kg CO2/kg material 2.5
7.7
Embodied Energy, MJ/kg 35
140
Embodied Water, L/kg 61
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
44
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 11
49
Thermal Shock Resistance, points 19 to 20
8.0

Alloy Composition

Aluminum (Al), % 0
83.5 to 93
Carbon (C), % 0.11 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.2
6.0 to 8.0
Iron (Fe), % 94.6 to 96.4
0 to 1.2
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.3 to 0.6
0 to 0.6
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
0 to 0.35
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.1
1.0 to 3.0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0 to 0.030
0 to 0.25
Vanadium (V), % 0.25 to 0.35
0
Zinc (Zn), % 0
0 to 2.5
Residuals, % 0
0 to 0.5