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SAE-AISI M48 Steel vs. 295.0 Aluminum

SAE-AISI M48 steel belongs to the iron alloys classification, while 295.0 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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 SAE-AISI M48 steel and the bottom bar is 295.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
27
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
230 to 280

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
530
Specific Heat Capacity, J/kg-K 420
880
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 48
10
Density, g/cm3 8.7
3.0
Embodied Carbon, kg CO2/kg material 13
7.9
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 160
1140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
46
Strength to Weight: Axial, points 28 to 76
21 to 26
Strength to Weight: Bending, points 23 to 45
27 to 32
Thermal Shock Resistance, points 26 to 71
9.8 to 12

Alloy Composition

Aluminum (Al), % 0
91.4 to 95.3
Carbon (C), % 1.4 to 1.5
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 63.8 to 69.8
0 to 1.0
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0.15 to 0.4
0 to 0.35
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0.7 to 1.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15