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EN 1.7375 Steel vs. A206.0 Aluminum

EN 1.7375 steel belongs to the iron alloys classification, while A206.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.7375 steel and the bottom bar is A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 20
4.2 to 10
Fatigue Strength, MPa 270
90 to 180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
26
Shear Strength, MPa 380
260
Tensile Strength: Ultimate (UTS), MPa 620
390 to 440
Tensile Strength: Yield (Proof), MPa 400
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 460
170
Melting Completion (Liquidus), °C 1470
670
Melting Onset (Solidus), °C 1430
550
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 39
130
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
90

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 1.8
8.0
Embodied Energy, MJ/kg 23
150
Embodied Water, L/kg 59
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
16 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 420
440 to 1000
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 22
36 to 41
Strength to Weight: Bending, points 20
39 to 43
Thermal Diffusivity, mm2/s 11
48
Thermal Shock Resistance, points 18
17 to 19

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
93.9 to 95.7
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.25
4.2 to 5.0
Iron (Fe), % 94.5 to 96.7
0 to 0.1
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0.3 to 0.8
0 to 0.2
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.3
0 to 0.050
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.3
0 to 0.050
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15