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1070A Aluminum vs. EN 1.4537 Stainless Steel

1070A aluminum belongs to the aluminum alloys classification, while EN 1.4537 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 1070A aluminum and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
220
Elastic (Young's, Tensile) Modulus, GPa 68
210
Elongation at Break, % 2.3 to 33
42
Fatigue Strength, MPa 17 to 51
290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Shear Strength, MPa 44 to 81
480
Tensile Strength: Ultimate (UTS), MPa 68 to 140
700
Tensile Strength: Yield (Proof), MPa 17 to 120
330

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 640
1390
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 60
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 200
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
34
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.2
6.1
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 1200
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
240
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.0 to 14
24
Strength to Weight: Bending, points 14 to 22
22
Thermal Diffusivity, mm2/s 94
3.7
Thermal Shock Resistance, points 3.1 to 6.3
15

Alloy Composition

Aluminum (Al), % 99.7 to 100
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.030
1.0 to 2.0
Iron (Fe), % 0 to 0.25
36.3 to 46.1
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0 to 2.0
Molybdenum (Mo), % 0
4.7 to 5.7
Nickel (Ni), % 0
24 to 27
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.070
0