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712.0 Aluminum vs. EN 1.4877 Stainless Steel

712.0 aluminum belongs to the aluminum alloys classification, while EN 1.4877 stainless steel belongs to the iron alloys. There are 31 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 712.0 aluminum and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
190
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 4.5 to 4.7
36
Fatigue Strength, MPa 140 to 180
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
79
Shear Strength, MPa 180
420
Tensile Strength: Ultimate (UTS), MPa 250 to 260
630
Tensile Strength: Yield (Proof), MPa 180 to 200
200

Thermal Properties

Latent Heat of Fusion, J/g 380
310
Maximum Temperature: Mechanical, °C 190
1150
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 610
1360
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 160
12
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 3.0
8.0
Embodied Carbon, kg CO2/kg material 8.0
6.2
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 1140
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
22
Strength to Weight: Bending, points 30 to 31
20
Thermal Diffusivity, mm2/s 62
3.2
Thermal Shock Resistance, points 11
15

Alloy Composition


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Aluminum (Al), % 90.7 to 94
0 to 0.025
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0.4 to 0.6
26 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.5
36.4 to 42.3
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0.15 to 0.25
0
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0