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Nickel 825 vs. R56401 Titanium

Nickel 825 belongs to the nickel alloys classification, while R56401 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 825 and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
9.1
Fatigue Strength, MPa 190
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
40
Shear Strength, MPa 430
560
Tensile Strength: Ultimate (UTS), MPa 650
940
Tensile Strength: Yield (Proof), MPa 260
850

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 980
340
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1370
1560
Specific Heat Capacity, J/kg-K 460
560
Thermal Conductivity, W/m-K 11
7.1
Thermal Expansion, µm/m-K 14
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 41
36
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 7.2
38
Embodied Energy, MJ/kg 100
610
Embodied Water, L/kg 230
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
83
Resilience: Unit (Modulus of Resilience), kJ/m3 170
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22
59
Strength to Weight: Bending, points 20
48
Thermal Diffusivity, mm2/s 2.9
2.9
Thermal Shock Resistance, points 17
67

Alloy Composition

Aluminum (Al), % 0 to 0.2
5.5 to 6.5
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 19.5 to 23.5
0
Copper (Cu), % 1.5 to 3.0
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 22 to 37.9
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 46
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.6 to 1.2
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5