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2025 Aluminum vs. EN 1.4713 Stainless Steel

2025 aluminum belongs to the aluminum alloys classification, while EN 1.4713 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 2025 aluminum and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
170
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 15
20
Fatigue Strength, MPa 130
160
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
74
Shear Strength, MPa 240
320
Tensile Strength: Ultimate (UTS), MPa 400
520
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 190
800
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 150
23
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.6
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
1.7
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1130
84

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
84
Resilience: Unit (Modulus of Resilience), kJ/m3 450
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 37
19
Strength to Weight: Bending, points 40
19
Thermal Diffusivity, mm2/s 58
6.2
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0.5 to 1.0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0 to 0.1
6.0 to 8.0
Copper (Cu), % 3.9 to 5.0
0
Iron (Fe), % 0 to 1.0
88.8 to 93
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 1.2
0.5 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0