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EN 1.4310 Stainless Steel vs. EN AC-46100 Aluminum

EN 1.4310 stainless steel belongs to the iron alloys classification, while EN AC-46100 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 1.4310 stainless steel and the bottom bar is EN AC-46100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
91
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 14 to 45
1.0
Fatigue Strength, MPa 240 to 330
110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 730 to 900
270
Tensile Strength: Yield (Proof), MPa 260 to 570
160

Thermal Properties

Latent Heat of Fusion, J/g 290
550
Maximum Temperature: Mechanical, °C 910
180
Melting Completion (Liquidus), °C 1420
600
Melting Onset (Solidus), °C 1380
540
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
90

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.9
7.6
Embodied Energy, MJ/kg 42
140
Embodied Water, L/kg 140
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
170
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 26 to 32
27
Strength to Weight: Bending, points 23 to 27
34
Thermal Diffusivity, mm2/s 4.0
44
Thermal Shock Resistance, points 15 to 18
12

Alloy Composition

Aluminum (Al), % 0
80.4 to 88.5
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 16 to 19
0 to 0.15
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 66.4 to 78
0 to 1.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0 to 0.3
Manganese (Mn), % 0 to 2.0
0 to 0.55
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0 to 0.45
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 2.0
10 to 12
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.7
Residuals, % 0
0 to 0.25