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EN 1.4959 Stainless Steel vs. 213.0 Aluminum

EN 1.4959 stainless steel belongs to the iron alloys classification, while 213.0 aluminum belongs to the aluminum alloys. There are 29 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 1.4959 stainless steel and the bottom bar is 213.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 40
1.5
Fatigue Strength, MPa 170
93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 630
190
Tensile Strength: Yield (Proof), MPa 190
130

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1090
170
Melting Completion (Liquidus), °C 1400
670
Melting Onset (Solidus), °C 1350
480
Specific Heat Capacity, J/kg-K 480
850
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
94

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.0
3.2
Embodied Carbon, kg CO2/kg material 5.4
7.7
Embodied Energy, MJ/kg 76
140
Embodied Water, L/kg 200
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 96
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
44
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.2
49
Thermal Shock Resistance, points 15
8.0

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
83.5 to 93
Carbon (C), % 0.050 to 0.1
0
Chromium (Cr), % 19 to 22
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
6.0 to 8.0
Iron (Fe), % 39.4 to 50.5
0 to 1.2
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.6
Nickel (Ni), % 30 to 34
0 to 0.35
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.7
1.0 to 3.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.25 to 0.65
0 to 0.25
Zinc (Zn), % 0
0 to 2.5
Residuals, % 0
0 to 0.5