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AWS ERTi-2 vs. Zamak 7

AWS ERTi-2 belongs to the titanium alloys classification, while Zamak 7 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
86
Elongation at Break, % 20
13
Fatigue Strength, MPa 190
47
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 340
280
Tensile Strength: Yield (Proof), MPa 280
250

Thermal Properties

Latent Heat of Fusion, J/g 420
120
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
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
38

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
6.4
Embodied Carbon, kg CO2/kg material 31
3.0
Embodied Energy, MJ/kg 510
57
Embodied Water, L/kg 110
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
36
Resilience: Unit (Modulus of Resilience), kJ/m3 360
370
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 21
12
Strength to Weight: Bending, points 24
15
Thermal Diffusivity, mm2/s 8.7
43
Thermal Shock Resistance, points 27
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
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 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Tin (Sn), % 0
0 to 0.0010
Titanium (Ti), % 99.667 to 99.92
0
Zinc (Zn), % 0
95.3 to 96.5