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EN 1.4872 Stainless Steel vs. A357.0 Aluminum

EN 1.4872 stainless steel belongs to the iron alloys classification, while A357.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4872 stainless steel and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
100
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 28
3.7
Fatigue Strength, MPa 410
100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 620
240
Tensile Strength: Ultimate (UTS), MPa 950
350
Tensile Strength: Yield (Proof), MPa 560
270

Thermal Properties

Latent Heat of Fusion, J/g 300
500
Maximum Temperature: Mechanical, °C 1150
170
Melting Completion (Liquidus), °C 1390
610
Melting Onset (Solidus), °C 1340
560
Specific Heat Capacity, J/kg-K 490
900
Thermal Conductivity, W/m-K 15
160
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.6
2.6
Embodied Carbon, kg CO2/kg material 3.3
8.2
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
12
Resilience: Unit (Modulus of Resilience), kJ/m3 780
520
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
53
Strength to Weight: Axial, points 35
38
Strength to Weight: Bending, points 28
43
Thermal Diffusivity, mm2/s 3.9
68
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Carbon (C), % 0.2 to 0.3
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 54.2 to 61.6
0 to 0.2
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 8.0 to 10
0 to 0.1
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
6.5 to 7.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15