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6182 Aluminum vs. K94200 Alloy

6182 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 6182 aluminum and the bottom bar is K94200 alloy.

6182 (AlSi1MgZr, A96182) AluminumUNS K94200 (FeNi42, 1.3917) Low Expansion Alloy
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
140
Elongation at Break, % 6.8 to 13
5.0 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
54
Shear Strength, MPa 140 to 190
330 to 410
Tensile Strength: Ultimate (UTS), MPa 230 to 320
500 to 710
Tensile Strength: Yield (Proof), MPa 130 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 160
15
Thermal Expansion, µm/m-K 23
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
3.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
250 to 1460
Stiffness to Weight: Axial, points 14
9.8
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 23 to 32
17 to 24
Strength to Weight: Bending, points 30 to 38
17 to 22
Thermal Diffusivity, mm2/s 65
3.7
Thermal Shock Resistance, points 10 to 14
49 to 70