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AWS ERNiCu-7 vs. AWS ERTi-7

AWS ERNiCu-7 belongs to the nickel alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 34
20
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 61
40
Tensile Strength: Ultimate (UTS), MPa 550
340

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Melting Completion (Liquidus), °C 1280
1670
Melting Onset (Solidus), °C 1240
1620
Specific Heat Capacity, J/kg-K 440
540
Thermal Conductivity, W/m-K 20
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 8.5
47
Embodied Energy, MJ/kg 120
800
Embodied Water, L/kg 250
470

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
35
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 5.3
8.8
Thermal Shock Resistance, points 19
26

Alloy Composition

Aluminum (Al), % 0 to 1.3
0
Carbon (C), % 0 to 0.15
0 to 0.030
Copper (Cu), % 18.3 to 36.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 2.5
0 to 0.12
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.5 to 3.0
99.417 to 99.8
Residuals, % 0 to 0.5
0