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Nickel 625 vs. Grade 23 Titanium

Nickel 625 belongs to the nickel alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 30 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 nickel 625 and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 33 to 34
6.7 to 11
Fatigue Strength, MPa 240 to 320
470 to 500
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 79
40
Shear Strength, MPa 530 to 600
540 to 570
Tensile Strength: Ultimate (UTS), MPa 790 to 910
930 to 940
Tensile Strength: Yield (Proof), MPa 320 to 450
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 980
340
Melting Completion (Liquidus), °C 1350
1610
Melting Onset (Solidus), °C 1290
1560
Specific Heat Capacity, J/kg-K 440
560
Thermal Conductivity, W/m-K 11
7.1
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 80
36
Density, g/cm3 8.6
4.4
Embodied Carbon, kg CO2/kg material 14
38
Embodied Energy, MJ/kg 190
610
Embodied Water, L/kg 290
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
3430 to 3560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 26 to 29
58 to 59
Strength to Weight: Bending, points 22 to 24
48
Thermal Diffusivity, mm2/s 2.9
2.9
Thermal Shock Resistance, points 22 to 25
67 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.4
5.5 to 6.5
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 5.0
0 to 0.25
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants