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EN 1.4854 Stainless Steel vs. 3104 Aluminum

EN 1.4854 stainless steel belongs to the iron alloys classification, while 3104 aluminum belongs to the aluminum alloys. There are 30 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 1.4854 stainless steel and the bottom bar is 3104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 45
1.1 to 20
Fatigue Strength, MPa 310
74 to 130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
26
Shear Strength, MPa 520
110 to 180
Tensile Strength: Ultimate (UTS), MPa 750
170 to 310
Tensile Strength: Yield (Proof), MPa 340
68 to 270

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 1170
180
Melting Completion (Liquidus), °C 1370
650
Melting Onset (Solidus), °C 1330
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 11
160
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
41
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
130

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 5.7
8.4
Embodied Energy, MJ/kg 81
150
Embodied Water, L/kg 220
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
1.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 280
34 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 26
17 to 31
Strength to Weight: Bending, points 23
25 to 37
Thermal Diffusivity, mm2/s 2.9
64
Thermal Shock Resistance, points 18
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
95.1 to 98.4
Carbon (C), % 0.040 to 0.080
0
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0.050 to 0.25
Gallium (Ga), % 0
0 to 0.050
Iron (Fe), % 33.6 to 40.6
0 to 0.8
Magnesium (Mg), % 0
0.8 to 1.3
Manganese (Mn), % 0 to 2.0
0.8 to 1.4
Nickel (Ni), % 34 to 36
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.2 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15