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Nickel 693 vs. AWS ERTi-7

Nickel 693 belongs to the nickel alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
20
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 660
340
Tensile Strength: Yield (Proof), MPa 310
280

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 1010
320
Melting Completion (Liquidus), °C 1350
1670
Melting Onset (Solidus), °C 1310
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 9.1
21
Thermal Expansion, µm/m-K 13
8.7

Otherwise Unclassified Properties

Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 9.9
47
Embodied Energy, MJ/kg 140
800
Embodied Water, L/kg 320
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
64
Resilience: Unit (Modulus of Resilience), kJ/m3 250
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 2.3
8.8
Thermal Shock Resistance, points 19
26

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 2.5 to 6.0
0 to 0.12
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 53.3 to 67.5
0
Niobium (Nb), % 0.5 to 2.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 1.0
99.417 to 99.8