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AWS ERNiCu-7 vs. Grade 33 Titanium

AWS ERNiCu-7 belongs to the nickel alloys classification, while grade 33 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 33 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 34
23
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 61
41
Tensile Strength: Ultimate (UTS), MPa 550
390

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Melting Completion (Liquidus), °C 1280
1660
Melting Onset (Solidus), °C 1240
1610
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
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
55
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 8.5
33
Embodied Energy, MJ/kg 120
530
Embodied Water, L/kg 250
200

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
35
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 5.3
8.7
Thermal Shock Resistance, points 19
30

Alloy Composition

Aluminum (Al), % 0 to 1.3
0
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
Copper (Cu), % 18.3 to 36.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 2.5
0 to 0.3
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.5 to 3.0
98.1 to 99.52
Residuals, % 0
0 to 0.4