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S46910 Stainless Steel vs. 1080A Aluminum

S46910 stainless steel belongs to the iron alloys classification, while 1080A aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 S46910 stainless steel and the bottom bar is 1080A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 630
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 2.2 to 11
2.3 to 34
Fatigue Strength, MPa 250 to 1020
18 to 50
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 410 to 1410
49 to 81
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
74 to 140
Tensile Strength: Yield (Proof), MPa 450 to 2290
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 810
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.1
8.3
Embodied Energy, MJ/kg 55
160
Embodied Water, L/kg 140
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 130
3.1 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 4780
2.1 to 100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 24 to 86
7.6 to 15
Strength to Weight: Bending, points 22 to 51
14 to 22
Thermal Shock Resistance, points 23 to 84
3.3 to 6.4

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
99.8 to 100
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 1.5 to 3.5
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 65 to 76
0 to 0.15
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0 to 0.020
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.7
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.5 to 1.2
0 to 0.020
Zinc (Zn), % 0
0 to 0.060

Comparable Variants