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1070A Aluminum vs. EN 1.4935 Stainless Steel

1070A aluminum belongs to the aluminum alloys classification, while EN 1.4935 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 1070A aluminum and the bottom bar is EN 1.4935 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 2.3 to 33
16 to 18
Fatigue Strength, MPa 17 to 51
350 to 400
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 44 to 81
480 to 540
Tensile Strength: Ultimate (UTS), MPa 68 to 140
780 to 880
Tensile Strength: Yield (Proof), MPa 17 to 120
570 to 670

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 170
740
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
24
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 200
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.0
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.9
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1200
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
130
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
830 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 7.0 to 14
28 to 31
Strength to Weight: Bending, points 14 to 22
24 to 26
Thermal Diffusivity, mm2/s 94
6.5
Thermal Shock Resistance, points 3.1 to 6.3
27 to 30

Alloy Composition

Aluminum (Al), % 99.7 to 100
0
Carbon (C), % 0
0.17 to 0.24
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.25
83 to 86.7
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0.3 to 0.8
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0.1 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.030
0
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 0 to 0.070
0

Comparable Variants