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R60704 Alloy vs. Zamak 7

R60704 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 R60704 alloy and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
86
Elongation at Break, % 16
13
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 36
33
Tensile Strength: Ultimate (UTS), MPa 470
280
Tensile Strength: Yield (Proof), MPa 270
250

Thermal Properties

Latent Heat of Fusion, J/g 240
120
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 6.0
27

Otherwise Unclassified Properties

Density, g/cm3 6.7
6.4
Embodied Water, L/kg 460
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
36
Resilience: Unit (Modulus of Resilience), kJ/m3 370
370
Stiffness to Weight: Axial, points 8.1
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
12
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 12
43
Thermal Shock Resistance, points 58
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), % 0.2 to 0.4
0
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
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
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Tin (Sn), % 1.0 to 2.0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5
Zirconium (Zr), % 93 to 98.8
0