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AWS ERTi-7 vs. ZA-12

AWS ERTi-7 belongs to the titanium alloys classification, while ZA-12 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
83
Elongation at Break, % 20
1.6 to 5.3
Fatigue Strength, MPa 190
73 to 120
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 340
260 to 400
Tensile Strength: Yield (Proof), MPa 280
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 420
120
Maximum Temperature: Mechanical, °C 320
100
Melting Completion (Liquidus), °C 1670
430
Melting Onset (Solidus), °C 1620
380
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
42

Otherwise Unclassified Properties

Density, g/cm3 4.5
6.0
Embodied Carbon, kg CO2/kg material 47
3.4
Embodied Energy, MJ/kg 800
64
Embodied Water, L/kg 470
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 360
260 to 620
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
12 to 19
Strength to Weight: Bending, points 24
15 to 20
Thermal Diffusivity, mm2/s 8.8
43
Thermal Shock Resistance, points 26
9.4 to 14

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0.5 to 1.2
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
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 0.060
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
87.1 to 89