MakeItFrom.com
Menu (ESC)

2025 Aluminum vs. EN 1.4986 Stainless Steel

2025 aluminum belongs to the aluminum alloys classification, while EN 1.4986 stainless steel belongs to the iron 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 2025 aluminum and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
230
Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 15
18
Fatigue Strength, MPa 130
350
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 240
460
Tensile Strength: Ultimate (UTS), MPa 400
750
Tensile Strength: Yield (Proof), MPa 260
560

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 190
940
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
4.8
Embodied Energy, MJ/kg 150
67
Embodied Water, L/kg 1130
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
120
Resilience: Unit (Modulus of Resilience), kJ/m3 450
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 37
26
Strength to Weight: Bending, points 40
23
Thermal Diffusivity, mm2/s 58
4.0
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0
Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0 to 0.1
15.5 to 17.5
Copper (Cu), % 3.9 to 5.0
0
Iron (Fe), % 0 to 1.0
59.4 to 66.6
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.5 to 1.2
0.3 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0