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K94200 Alloy vs. Zamak 7

K94200 alloy belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is K94200 alloy and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
86
Elongation at Break, % 5.0 to 32
13
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 54
33
Shear Strength, MPa 330 to 410
210
Tensile Strength: Ultimate (UTS), MPa 500 to 710
280
Tensile Strength: Yield (Proof), MPa 270 to 650
250

Thermal Properties

Melting Onset (Solidus), °C 1440
380
Specific Heat Capacity, J/kg-K 500
410
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 5.0
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
38

Otherwise Unclassified Properties

Density, g/cm3 8.2
6.4

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 130
36
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 1460
370
Stiffness to Weight: Axial, points 9.8
7.5
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 17 to 24
12
Strength to Weight: Bending, points 17 to 22
15
Thermal Diffusivity, mm2/s 3.7
43
Thermal Shock Resistance, points 49 to 70
8.6