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EN 1.4958 Stainless Steel vs. 514.0 Aluminum

EN 1.4958 stainless steel belongs to the iron alloys classification, while 514.0 aluminum belongs to the aluminum alloys. There are 30 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 EN 1.4958 stainless steel and the bottom bar is 514.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 40
7.3
Fatigue Strength, MPa 170
48
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
25
Shear Strength, MPa 430
140
Tensile Strength: Ultimate (UTS), MPa 630
180
Tensile Strength: Yield (Proof), MPa 190
74

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1090
170
Melting Completion (Liquidus), °C 1400
640
Melting Onset (Solidus), °C 1350
610
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 12
140
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 5.3
8.9
Embodied Energy, MJ/kg 75
150
Embodied Water, L/kg 200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
11
Resilience: Unit (Modulus of Resilience), kJ/m3 95
41
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 3.2
57
Thermal Shock Resistance, points 15
7.9

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
93.6 to 96.5
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 19 to 22
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0 to 0.15
Iron (Fe), % 41.1 to 50.6
0 to 0.5
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 0 to 1.5
0 to 0.35
Nickel (Ni), % 30 to 32.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.7
0 to 0.35
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.2 to 0.5
0 to 0.25
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15