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2007 Aluminum vs. EN 1.4886 Stainless Steel

2007 aluminum belongs to the aluminum alloys classification, while EN 1.4886 stainless steel belongs to the iron 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 2007 aluminum and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.6 to 8.0
45
Fatigue Strength, MPa 91 to 110
280
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 220 to 250
400
Tensile Strength: Ultimate (UTS), MPa 370 to 420
580
Tensile Strength: Yield (Proof), MPa 240 to 270
300

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 510
1340
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.1
8.0
Embodied Carbon, kg CO2/kg material 8.0
5.4
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1130
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
220
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
24
Strength to Weight: Axial, points 33 to 38
20
Strength to Weight: Bending, points 37 to 40
19
Thermal Diffusivity, mm2/s 48
3.1
Thermal Shock Resistance, points 16 to 19
14

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.1
17 to 20
Copper (Cu), % 3.3 to 4.6
0
Iron (Fe), % 0 to 0.8
38.7 to 49
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 0.2
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.8
1.0 to 2.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.3
0