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712.0 Aluminum vs. EN 1.4301 Stainless Steel

712.0 aluminum belongs to the aluminum alloys classification, while EN 1.4301 stainless steel belongs to the iron alloys. There are 31 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 712.0 aluminum and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 4.5 to 4.7
14 to 46
Fatigue Strength, MPa 140 to 180
200 to 330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 180
430 to 550
Tensile Strength: Ultimate (UTS), MPa 250 to 260
610 to 900
Tensile Strength: Yield (Proof), MPa 180 to 200
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 190
940
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 610
1380
Specific Heat Capacity, J/kg-K 870
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 8.0
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1140
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
120 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 24 to 25
22 to 32
Strength to Weight: Bending, points 30 to 31
20 to 27
Thermal Diffusivity, mm2/s 62
4.0
Thermal Shock Resistance, points 11
14 to 20

Alloy Composition

Aluminum (Al), % 90.7 to 94
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0.4 to 0.6
17.5 to 19.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.5
66.8 to 74.5
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
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), % 0.15 to 0.25
0
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0

Comparable Variants