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EN 1.4658 Stainless Steel vs. EN AC-46200 Aluminum

EN 1.4658 stainless steel belongs to the iron alloys classification, while EN AC-46200 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4658 stainless steel and the bottom bar is EN AC-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
82
Elastic (Young's, Tensile) Modulus, GPa 210
73
Elongation at Break, % 28
1.1
Fatigue Strength, MPa 530
87
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
27
Tensile Strength: Ultimate (UTS), MPa 900
210
Tensile Strength: Yield (Proof), MPa 730
130

Thermal Properties

Latent Heat of Fusion, J/g 300
510
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1450
620
Melting Onset (Solidus), °C 1400
540
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 13
22

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 4.5
7.7
Embodied Energy, MJ/kg 61
140
Embodied Water, L/kg 200
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 26
28
Thermal Diffusivity, mm2/s 4.3
44
Thermal Shock Resistance, points 24
9.5

Alloy Composition

Aluminum (Al), % 0
82.6 to 90.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
2.0 to 3.5
Iron (Fe), % 50.9 to 63.7
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0 to 1.5
0.15 to 0.65
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
0 to 0.35
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.5
7.5 to 9.5
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.2
Residuals, % 0
0 to 0.25