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EN 1.4618 Stainless Steel vs. 512.0 Aluminum

EN 1.4618 stainless steel belongs to the iron alloys classification, while 512.0 aluminum belongs to the aluminum 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 EN 1.4618 stainless steel and the bottom bar is 512.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
50
Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 51
2.0
Fatigue Strength, MPa 240 to 250
58
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 680 to 700
130
Tensile Strength: Yield (Proof), MPa 250 to 260
83

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 900
180
Melting Completion (Liquidus), °C 1400
630
Melting Onset (Solidus), °C 1360
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
130

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.8
Embodied Energy, MJ/kg 39
150
Embodied Water, L/kg 150
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
50
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 24 to 25
14
Strength to Weight: Bending, points 22 to 23
22
Thermal Diffusivity, mm2/s 4.0
60
Thermal Shock Resistance, points 15 to 16
6.1

Alloy Composition

Aluminum (Al), % 0
90.6 to 95.1
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0 to 0.25
Copper (Cu), % 1.0 to 2.5
0 to 0.35
Iron (Fe), % 62.7 to 72.5
0 to 0.6
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 5.5 to 9.5
0 to 0.8
Nickel (Ni), % 4.5 to 5.5
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0
Silicon (Si), % 0 to 1.0
1.4 to 2.2
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15