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AWS ERTi-5 vs. CR012A Copper

AWS ERTi-5 belongs to the titanium alloys classification, while CR012A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, 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 CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 10
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 900
220
Tensile Strength: Yield (Proof), MPa 830
130

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
1040
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.1
390
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
100

Otherwise Unclassified Properties

Base Metal Price, % relative 36
33
Density, g/cm3 4.4
9.0
Embodied Carbon, kg CO2/kg material 38
2.7
Embodied Energy, MJ/kg 610
42
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
29
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 56
6.8
Strength to Weight: Bending, points 46
9.0
Thermal Diffusivity, mm2/s 2.9
110
Thermal Shock Resistance, points 63
7.8

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
99.85 to 99.94
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0 to 0.040
Silver (Ag), % 0
0.060 to 0.080
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0