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S44700 Stainless Steel vs. 3005 Aluminum

S44700 stainless steel belongs to the iron alloys classification, while 3005 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 S44700 stainless steel and the bottom bar is 3005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
33 to 73
Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 23
1.1 to 16
Fatigue Strength, MPa 300
53 to 100
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 82
26
Shear Strength, MPa 380
84 to 150
Tensile Strength: Ultimate (UTS), MPa 600
140 to 270
Tensile Strength: Yield (Proof), MPa 450
51 to 240

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1410
640
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 3.6
8.2
Embodied Energy, MJ/kg 49
150
Embodied Water, L/kg 180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
2.2 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 480
18 to 390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 21
14 to 27
Strength to Weight: Bending, points 20
21 to 33
Thermal Shock Resistance, points 19
6.0 to 12

Alloy Composition

Aluminum (Al), % 0
95.7 to 98.8
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 28 to 30
0 to 0.1
Copper (Cu), % 0 to 0.15
0 to 0.3
Iron (Fe), % 64.9 to 68.5
0 to 0.7
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 0.3
1.0 to 1.5
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 0 to 0.15
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.2
0 to 0.6
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15