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240.0 Aluminum vs. K94200 Alloy

240.0 aluminum belongs to the aluminum alloys classification, while K94200 alloy belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 240.0 aluminum and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
140
Elongation at Break, % 1.0
5.0 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
54
Tensile Strength: Ultimate (UTS), MPa 240
500 to 710
Tensile Strength: Yield (Proof), MPa 200
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 520
1440
Specific Heat Capacity, J/kg-K 860
500
Thermal Conductivity, W/m-K 96
15
Thermal Expansion, µm/m-K 22
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 65
3.0

Otherwise Unclassified Properties

Density, g/cm3 3.2
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
250 to 1460
Stiffness to Weight: Axial, points 12
9.8
Stiffness to Weight: Bending, points 43
21
Strength to Weight: Axial, points 20
17 to 24
Strength to Weight: Bending, points 26
17 to 22
Thermal Diffusivity, mm2/s 35
3.7
Thermal Shock Resistance, points 11
49 to 70