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711.0 Aluminum vs. EN 1.4307 Stainless Steel

711.0 aluminum belongs to the aluminum alloys classification, while EN 1.4307 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 711.0 aluminum and the bottom bar is EN 1.4307 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
180 to 270
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 7.8
14 to 46
Fatigue Strength, MPa 100
190 to 320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 220
590 to 900
Tensile Strength: Yield (Proof), MPa 140
200 to 570

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 610
1380
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 160
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1120
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
100 to 810
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 20
21 to 32
Strength to Weight: Bending, points 26
20 to 27
Thermal Diffusivity, mm2/s 61
4.0
Thermal Shock Resistance, points 9.3
13 to 20

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 0.35 to 0.65
0
Iron (Fe), % 0.7 to 1.4
66.8 to 74.5
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0 to 0.15
0