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EN 1.4971 Stainless Steel vs. 852.0 Aluminum

EN 1.4971 stainless steel belongs to the iron alloys classification, while 852.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4971 stainless steel and the bottom bar is 852.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
64
Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 34
3.4
Fatigue Strength, MPa 270
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 530
130
Tensile Strength: Ultimate (UTS), MPa 800
200
Tensile Strength: Yield (Proof), MPa 340
150

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Mechanical, °C 1100
190
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1410
210
Specific Heat Capacity, J/kg-K 450
840
Thermal Conductivity, W/m-K 13
180
Thermal Expansion, µm/m-K 15
23

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.4
3.2
Embodied Carbon, kg CO2/kg material 7.6
8.5
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 300
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
6.2
Resilience: Unit (Modulus of Resilience), kJ/m3 280
160
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
43
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.4
65
Thermal Shock Resistance, points 19
8.7

Alloy Composition

Aluminum (Al), % 0
86.6 to 91.3
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
1.7 to 2.3
Iron (Fe), % 24.3 to 37.1
0 to 0.7
Magnesium (Mg), % 0
0.6 to 0.9
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0.9 to 1.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.3