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EN AC-44400 Aluminum vs. EN 1.4962 Stainless Steel

EN AC-44400 aluminum belongs to the aluminum alloys classification, while EN 1.4962 stainless steel belongs to the iron 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 AC-44400 aluminum and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 4.1
22 to 34
Fatigue Strength, MPa 79
210 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 210
630 to 690
Tensile Strength: Yield (Proof), MPa 110
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 540
280
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 600
1480
Melting Onset (Solidus), °C 590
1440
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
14
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.6
8.1
Embodied Carbon, kg CO2/kg material 7.8
4.1
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1080
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 85
170 to 610
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
24
Strength to Weight: Axial, points 23
21 to 24
Strength to Weight: Bending, points 31
20 to 21
Thermal Diffusivity, mm2/s 60
3.7
Thermal Shock Resistance, points 9.8
14 to 16

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0
0.070 to 0.15
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.65
62.1 to 69
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 0 to 0.050
12.5 to 14.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 8.0 to 11
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0