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AWS ERTi-5 vs. C81500 Copper

AWS ERTi-5 belongs to the titanium alloys classification, while C81500 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 10
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 900
350
Tensile Strength: Yield (Proof), MPa 830
280

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 340
200
Melting Completion (Liquidus), °C 1610
1090
Melting Onset (Solidus), °C 1560
1080
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.1
320
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
82
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
83

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 4.4
8.9
Embodied Carbon, kg CO2/kg material 38
2.6
Embodied Energy, MJ/kg 610
41
Embodied Water, L/kg 200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
56
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
330
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 56
11
Strength to Weight: Bending, points 46
12
Thermal Diffusivity, mm2/s 2.9
91
Thermal Shock Resistance, points 63
12

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 0
97.4 to 99.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5