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A390.0 Aluminum vs. EN 1.4301 Stainless Steel

A390.0 aluminum belongs to the aluminum alloys classification, while EN 1.4301 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 A390.0 aluminum and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 0.87 to 0.91
14 to 46
Fatigue Strength, MPa 70 to 100
200 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Tensile Strength: Ultimate (UTS), MPa 190 to 290
610 to 900
Tensile Strength: Yield (Proof), MPa 190 to 290
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 640
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 480
1380
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 67
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.3
3.0
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 950
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
120 to 820
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 19 to 30
22 to 32
Strength to Weight: Bending, points 27 to 36
20 to 27
Thermal Diffusivity, mm2/s 56
4.0
Thermal Shock Resistance, points 9.0 to 14
14 to 20

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.5
66.8 to 74.5
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 16 to 18
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0

Comparable Variants