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R60706 Alloy vs. Zamak 7

R60706 alloy belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R60706 alloy and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
86
Elongation at Break, % 16
13
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 37
33
Tensile Strength: Ultimate (UTS), MPa 580
280
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 17
110
Thermal Expansion, µm/m-K 6.3
27

Otherwise Unclassified Properties

Density, g/cm3 6.7
6.4
Embodied Water, L/kg 450
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
36
Resilience: Unit (Modulus of Resilience), kJ/m3 760
370
Stiffness to Weight: Axial, points 8.1
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 23
15
Thermal Diffusivity, mm2/s 9.5
43
Thermal Shock Resistance, points 67
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0
0.0050 to 0.020
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5
Zirconium (Zr), % 91 to 98
0