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1070 Aluminum vs. EN 1.4962 Stainless Steel

1070 aluminum belongs to the aluminum alloys classification, while EN 1.4962 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 1070 aluminum and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 4.5 to 39
22 to 34
Fatigue Strength, MPa 22 to 49
210 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 48 to 79
420 to 440
Tensile Strength: Ultimate (UTS), MPa 73 to 140
630 to 690
Tensile Strength: Yield (Proof), MPa 17 to 120
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 640
1440
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
14
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 200
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.3
4.1
Embodied Energy, MJ/kg 160
59
Embodied Water, L/kg 1200
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
170 to 610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.5 to 14
21 to 24
Strength to Weight: Bending, points 14 to 22
20 to 21
Thermal Diffusivity, mm2/s 94
3.7
Thermal Shock Resistance, points 3.3 to 6.1
14 to 16

Alloy Composition

Aluminum (Al), % 99.7 to 100
0
Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0
0.070 to 0.15
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.040
0
Iron (Fe), % 0 to 0.25
62.1 to 69
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0 to 1.5
Nickel (Ni), % 0
12.5 to 14.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.030
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0
Residuals, % 0 to 0.030
0