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AWS ERTi-7 vs. C18600 Copper

AWS ERTi-7 belongs to the titanium alloys classification, while C18600 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is C18600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
8.0 to 11
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 340
520 to 580
Tensile Strength: Yield (Proof), MPa 280
500 to 520

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
1070
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
280
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
70
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
71

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 47
2.9
Embodied Energy, MJ/kg 800
46
Embodied Water, L/kg 470
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
44 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 360
1060 to 1180
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 21
16 to 18
Strength to Weight: Bending, points 24
16 to 17
Thermal Diffusivity, mm2/s 8.8
81
Thermal Shock Resistance, points 26
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0.1 to 1.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0
96.5 to 99.55
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0.25 to 0.8
Nickel (Ni), % 0
0 to 0.25
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Titanium (Ti), % 99.417 to 99.8
0.050 to 0.5
Zirconium (Zr), % 0
0.050 to 0.4
Residuals, % 0
0 to 0.5