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A360.0 Aluminum vs. EN 1.4550 Stainless Steel

A360.0 aluminum belongs to the aluminum alloys classification, while EN 1.4550 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 A360.0 aluminum and the bottom bar is EN 1.4550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
200
Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 1.6 to 5.0
42
Fatigue Strength, MPa 82 to 150
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 180
430
Tensile Strength: Ultimate (UTS), MPa 180 to 320
620
Tensile Strength: Yield (Proof), MPa 170 to 260
230

Thermal Properties

Latent Heat of Fusion, J/g 530
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 680
1430
Melting Onset (Solidus), °C 590
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.8
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1070
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 13
210
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 470
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 19 to 34
22
Strength to Weight: Bending, points 27 to 39
21
Thermal Diffusivity, mm2/s 48
4.0
Thermal Shock Resistance, points 8.5 to 15
14

Alloy Composition

Aluminum (Al), % 85.8 to 90.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 0 to 1.3
64.9 to 74
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.35
0 to 2.0
Nickel (Ni), % 0 to 0.5
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 9.0 to 10
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.25
0