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AWS ERTi-7 vs. Zamak 2

AWS ERTi-7 belongs to the titanium alloys classification, while Zamak 2 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 20
6.0
Fatigue Strength, MPa 190
59
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 340
360
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 420
130
Maximum Temperature: Mechanical, °C 320
95
Melting Completion (Liquidus), °C 1670
390
Melting Onset (Solidus), °C 1620
380
Specific Heat Capacity, J/kg-K 540
410
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 8.7
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
25
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
35

Otherwise Unclassified Properties

Density, g/cm3 4.5
6.5
Embodied Carbon, kg CO2/kg material 47
3.0
Embodied Energy, MJ/kg 800
57
Embodied Water, L/kg 470
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
20
Resilience: Unit (Modulus of Resilience), kJ/m3 360
420
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 8.8
41
Thermal Shock Resistance, points 26
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
2.5 to 3.3
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
92.2 to 94