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EN 1.4109 Stainless Steel vs. 710.0 Aluminum

EN 1.4109 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 (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 EN 1.4109 stainless steel and the bottom bar is 710.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
75
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 19
2.2 to 3.6
Fatigue Strength, MPa 270
55 to 110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
26
Shear Strength, MPa 480
180
Tensile Strength: Ultimate (UTS), MPa 770
240 to 250
Tensile Strength: Yield (Proof), MPa 420
160

Thermal Properties

Latent Heat of Fusion, J/g 280
380
Maximum Temperature: Mechanical, °C 820
170
Melting Completion (Liquidus), °C 1440
650
Melting Onset (Solidus), °C 1400
610
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 30
140
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
35
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
9.5
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.2
8.0
Embodied Energy, MJ/kg 30
150
Embodied Water, L/kg 110
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
4.9 to 7.9
Resilience: Unit (Modulus of Resilience), kJ/m3 460
180 to 190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 24
29
Thermal Diffusivity, mm2/s 8.1
53
Thermal Shock Resistance, points 28
10 to 11

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.1
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
0.35 to 0.65
Iron (Fe), % 80.7 to 85
0 to 0.5
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 0 to 1.0
0 to 0.050
Molybdenum (Mo), % 0.4 to 0.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15