R60802 Alloy vs. Zamak 7

R60802 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 R60802 alloy and the bottom bar is Zamak 7.

UNS R60802 Zirconium-Tin Alloy Zamak 7 (ASTM AG40B, Z33523, Mazak 7) Zinc Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		86

Elongation at Break, %		22
Elongation at Break, %		13

Poisson's Ratio		0.34
Poisson's Ratio		0.25

Shear Modulus, GPa		36
Shear Modulus, GPa		33

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		280

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		250

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		120

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		410

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		110

Thermal Expansion, µm/m-K		6.0
Thermal Expansion, µm/m-K		27

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		6.4

Embodied Water, L/kg		290
Embodied Water, L/kg		380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		85
Resilience: Ultimate (Unit Rupture Work), MJ/m³		36

Resilience: Unit (Modulus of Resilience), kJ/m³		380
Resilience: Unit (Modulus of Resilience), kJ/m³		370

Stiffness to Weight: Axial, points		8.3
Stiffness to Weight: Axial, points		7.5

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		12

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		15

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		43

Thermal Shock Resistance, points		53
Thermal Shock Resistance, points		8.6

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		3.5 to 4.3

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0020

Chromium (Cr), %		0.050 to 0.15
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0.070 to 0.2
Iron (Fe), %		0 to 0.075

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0030

Magnesium (Mg), %		0
Magnesium (Mg), %		0.0050 to 0.020

Nickel (Ni), %		0.030 to 0.080
Nickel (Ni), %		0.0050 to 0.020

Tin (Sn), %		1.2 to 1.7
Tin (Sn), %		0 to 0.0010

Zinc (Zn), %		0
Zinc (Zn), %		95.3 to 96.5

Zirconium (Zr), %		97.8 to 98.7
Zirconium (Zr), %		0

Residuals, %		0 to 0.11
Residuals, %		0