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S28200 Stainless Steel vs. 295.0 Aluminum

S28200 stainless steel belongs to the iron alloys classification, while 295.0 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 S28200 stainless steel and the bottom bar is 295.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
60 to 93
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 45
2.0 to 7.2
Fatigue Strength, MPa 430
44 to 55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Shear Strength, MPa 610
180 to 230
Tensile Strength: Ultimate (UTS), MPa 870
230 to 280
Tensile Strength: Yield (Proof), MPa 460
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1330
530
Specific Heat Capacity, J/kg-K 480
880
Thermal Expansion, µm/m-K 18
23

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 7.6
3.0
Embodied Carbon, kg CO2/kg material 2.8
7.9
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 160
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
5.2 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 540
77 to 340
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
46
Strength to Weight: Axial, points 32
21 to 26
Strength to Weight: Bending, points 27
27 to 32
Thermal Shock Resistance, points 17
9.8 to 12

Alloy Composition

Aluminum (Al), % 0
91.4 to 95.3
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0.75 to 1.3
4.0 to 5.0
Iron (Fe), % 57.7 to 64.1
0 to 1.0
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 17 to 19
0 to 0.35
Molybdenum (Mo), % 0.75 to 1.3
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0.7 to 1.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15