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AWS ERNiCu-7 vs. Grade 29 Titanium

AWS ERNiCu-7 belongs to the nickel alloys classification, while grade 29 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is grade 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 34
6.8 to 11
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 61
40
Tensile Strength: Ultimate (UTS), MPa 550
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Melting Completion (Liquidus), °C 1280
1610
Melting Onset (Solidus), °C 1240
1560
Specific Heat Capacity, J/kg-K 440
560
Thermal Conductivity, W/m-K 20
7.3
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
36
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 8.5
39
Embodied Energy, MJ/kg 120
640
Embodied Water, L/kg 250
410

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
35
Strength to Weight: Axial, points 18
58 to 59
Strength to Weight: Bending, points 17
47 to 48
Thermal Diffusivity, mm2/s 5.3
2.9
Thermal Shock Resistance, points 19
68 to 69

Alloy Composition

Aluminum (Al), % 0 to 1.3
5.5 to 6.5
Carbon (C), % 0 to 0.15
0 to 0.080
Copper (Cu), % 18.3 to 36.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 2.5
0 to 0.25
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.5 to 3.0
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4