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EN 1.4618 Stainless Steel vs. 710.0 Aluminum

EN 1.4618 stainless steel belongs to the iron alloys classification, while 710.0 aluminum belongs to the aluminum alloys. There are 31 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 710.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
75
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 51
2.2 to 3.6
Fatigue Strength, MPa 240 to 250
55 to 110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
26
Shear Strength, MPa 480 to 500
180
Tensile Strength: Ultimate (UTS), MPa 680 to 700
240 to 250
Tensile Strength: Yield (Proof), MPa 250 to 260
160

Thermal Properties

Latent Heat of Fusion, J/g 280
380
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1400
650
Melting Onset (Solidus), °C 1360
610
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 15
140
Thermal Expansion, µm/m-K 16
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 39
150
Embodied Water, L/kg 150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
4.9 to 7.9
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
180 to 190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 24 to 25
23
Strength to Weight: Bending, points 22 to 23
29
Thermal Diffusivity, mm2/s 4.0
53
Thermal Shock Resistance, points 15 to 16
10 to 11

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.1
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
0.35 to 0.65
Iron (Fe), % 62.7 to 72.5
0 to 0.5
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 5.5 to 9.5
0 to 0.050
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
0 to 0.15
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15