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AWS ERTi-2 vs. CR017A Copper

AWS ERTi-2 belongs to the titanium alloys classification, while CR017A 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-2 and the bottom bar is CR017A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 340
230
Tensile Strength: Yield (Proof), MPa 280
140

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
380
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
32
Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
31
Resilience: Unit (Modulus of Resilience), kJ/m3 360
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 24
9.3
Thermal Diffusivity, mm2/s 8.7
110
Thermal Shock Resistance, points 27
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
99.944 to 99.97
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Silver (Ag), % 0
0.030 to 0.050
Titanium (Ti), % 99.667 to 99.92
0