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6105 Aluminum vs. K94200 Alloy

6105 aluminum belongs to the aluminum alloys classification, while K94200 alloy belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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 6105 aluminum and the bottom bar is K94200 alloy.

6105 (A96105) AluminumUNS K94200 (FeNi42, 1.3917) Low Expansion Alloy
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
140
Elongation at Break, % 9.0 to 16
5.0 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
54
Shear Strength, MPa 120 to 170
330 to 410
Tensile Strength: Ultimate (UTS), MPa 190 to 280
500 to 710
Tensile Strength: Yield (Proof), MPa 120 to 270
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 600
1440
Specific Heat Capacity, J/kg-K 900
500
Thermal Conductivity, W/m-K 180 to 190
15
Thermal Expansion, µm/m-K 23
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
3.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
250 to 1460
Stiffness to Weight: Axial, points 14
9.8
Stiffness to Weight: Bending, points 51
21
Strength to Weight: Axial, points 20 to 29
17 to 24
Strength to Weight: Bending, points 28 to 35
17 to 22
Thermal Diffusivity, mm2/s 72 to 79
3.7
Thermal Shock Resistance, points 8.6 to 12
49 to 70