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EN 1.4982 Stainless Steel vs. 518.0 Aluminum

EN 1.4982 stainless steel belongs to the iron alloys classification, while 518.0 aluminum belongs to the aluminum alloys. There are 31 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 1.4982 stainless steel and the bottom bar is 518.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
80
Elastic (Young's, Tensile) Modulus, GPa 200
67
Elongation at Break, % 28
5.0
Fatigue Strength, MPa 420
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
25
Shear Strength, MPa 490
200
Tensile Strength: Ultimate (UTS), MPa 750
310
Tensile Strength: Yield (Proof), MPa 570
190

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Maximum Temperature: Mechanical, °C 860
170
Melting Completion (Liquidus), °C 1430
620
Melting Onset (Solidus), °C 1390
560
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 13
98
Thermal Expansion, µm/m-K 16
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
81

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 4.9
9.4
Embodied Energy, MJ/kg 71
150
Embodied Water, L/kg 150
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
14
Resilience: Unit (Modulus of Resilience), kJ/m3 830
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 27
32
Strength to Weight: Bending, points 23
38
Thermal Diffusivity, mm2/s 3.4
40
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0
88.1 to 92.5
Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.8 to 69.7
0 to 1.8
Magnesium (Mg), % 0
7.5 to 8.5
Manganese (Mn), % 5.5 to 7.0
0 to 0.35
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 9.0 to 11
0 to 0.15
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Vanadium (V), % 0.15 to 0.4
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.25