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AWS ERTi-12 vs. ZA-27

AWS ERTi-12 belongs to the titanium alloys classification, while ZA-27 belongs to the zinc alloys. There are 29 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-12 and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
78
Elongation at Break, % 12
2.0 to 4.5
Fatigue Strength, MPa 200
110 to 170
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
31
Tensile Strength: Ultimate (UTS), MPa 480
400 to 430
Tensile Strength: Yield (Proof), MPa 340
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 420
130
Maximum Temperature: Mechanical, °C 320
120
Melting Completion (Liquidus), °C 1670
480
Melting Onset (Solidus), °C 1620
380
Specific Heat Capacity, J/kg-K 540
530
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
30
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
53

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
5.0
Embodied Carbon, kg CO2/kg material 31
4.2
Embodied Energy, MJ/kg 510
80
Embodied Water, L/kg 110
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 550
420 to 890
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 35
28
Strength to Weight: Axial, points 30
22 to 24
Strength to Weight: Bending, points 30
24 to 25
Thermal Diffusivity, mm2/s 8.7
47
Thermal Shock Resistance, points 37
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
2.0 to 2.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.020
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Silicon (Si), % 0
0 to 0.080
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 99.147 to 99.66
0
Zinc (Zn), % 0
69.3 to 73