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K94200 Alloy vs. 1050 Aluminum

K94200 alloy belongs to the iron alloys classification, while 1050 aluminum belongs to the aluminum alloys. There are 22 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 K94200 alloy and the bottom bar is 1050 aluminum.

UNS K94200 (FeNi42, 1.3917) Low Expansion Alloy1050 (A91050) Aluminum
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
68
Elongation at Break, % 5.0 to 32
4.6 to 37
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 54
26
Shear Strength, MPa 330 to 410
52 to 81
Tensile Strength: Ultimate (UTS), MPa 500 to 710
76 to 140
Tensile Strength: Yield (Proof), MPa 270 to 650
25 to 120

Thermal Properties

Melting Onset (Solidus), °C 1440
650
Specific Heat Capacity, J/kg-K 500
900
Thermal Conductivity, W/m-K 15
230
Thermal Expansion, µm/m-K 5.0
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
61
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
200

Otherwise Unclassified Properties

Density, g/cm3 8.2
2.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 130
5.4 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 1460
4.6 to 110
Stiffness to Weight: Axial, points 9.8
14
Stiffness to Weight: Bending, points 21
50
Strength to Weight: Axial, points 17 to 24
7.8 to 14
Strength to Weight: Bending, points 17 to 22
15 to 22
Thermal Diffusivity, mm2/s 3.7
94
Thermal Shock Resistance, points 49 to 70
3.4 to 6.2

Comparable Variants

Annealed Condition