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AWS ERTi-1 vs. CR018A Copper

AWS ERTi-1 belongs to the titanium alloys classification, while CR018A 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.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is CR018A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 24
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 240
220
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1670
1090
Melting Onset (Solidus), °C 1620
1040
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
390
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
100
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 37
33
Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 31
2.7
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
29
Resilience: Unit (Modulus of Resilience), kJ/m3 140
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 15
6.8
Strength to Weight: Bending, points 19
9.0
Thermal Diffusivity, mm2/s 8.7
110
Thermal Shock Resistance, points 19
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
99.914 to 99.94
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Silver (Ag), % 0
0.060 to 0.080
Titanium (Ti), % 99.773 to 99.97
0