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EN 1.4526 Stainless Steel vs. EN AC-46300 Aluminum

EN 1.4526 stainless steel belongs to the iron alloys classification, while EN AC-46300 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 1.4526 stainless steel and the bottom bar is EN AC-46300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
91
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 25
1.1
Fatigue Strength, MPa 230
79
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 540
200
Tensile Strength: Yield (Proof), MPa 330
110

Thermal Properties

Latent Heat of Fusion, J/g 280
490
Maximum Temperature: Mechanical, °C 880
170
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1410
530
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 30
120
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
84

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 7.7
2.9
Embodied Carbon, kg CO2/kg material 2.9
7.7
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 120
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
1.9
Resilience: Unit (Modulus of Resilience), kJ/m3 280
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 8.1
47
Thermal Shock Resistance, points 19
9.1

Alloy Composition

Aluminum (Al), % 0
84 to 90
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 77.4 to 83.1
0 to 0.8
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 0 to 1.0
0.2 to 0.65
Molybdenum (Mo), % 0.8 to 1.4
0
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
6.5 to 8.0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.65
Residuals, % 0
0 to 0.55