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AWS ERTi-12 vs. C70700 Copper-nickel

AWS ERTi-12 belongs to the titanium alloys classification, while C70700 copper-nickel belongs to the copper alloys. There are 28 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-12 and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 12
39
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 480
320
Tensile Strength: Yield (Proof), MPa 340
110

Thermal Properties

Latent Heat of Fusion, J/g 420
220
Maximum Temperature: Mechanical, °C 320
220
Melting Completion (Liquidus), °C 1670
1120
Melting Onset (Solidus), °C 1620
1060
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
59
Thermal Expansion, µm/m-K 8.7
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
34
Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 31
3.4
Embodied Energy, MJ/kg 510
52
Embodied Water, L/kg 110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
100
Resilience: Unit (Modulus of Resilience), kJ/m3 550
51
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 30
10
Strength to Weight: Bending, points 30
12
Thermal Diffusivity, mm2/s 8.7
17
Thermal Shock Resistance, points 37
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
88.5 to 90.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
9.5 to 10.5
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Titanium (Ti), % 99.147 to 99.66
0
Residuals, % 0
0 to 0.5