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Nickel 685 vs. R58150 Titanium

Nickel 685 belongs to the nickel alloys classification, while R58150 titanium belongs to the titanium alloys. There are 27 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 685 and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 17
13
Fatigue Strength, MPa 470
330
Poisson's Ratio 0.29
0.32
Reduction in Area, % 20
68
Shear Modulus, GPa 77
52
Shear Strength, MPa 770
470
Tensile Strength: Ultimate (UTS), MPa 1250
770
Tensile Strength: Yield (Proof), MPa 850
550

Thermal Properties

Latent Heat of Fusion, J/g 320
410
Maximum Temperature: Mechanical, °C 1000
320
Melting Completion (Liquidus), °C 1380
1760
Melting Onset (Solidus), °C 1330
1700
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 12
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 75
48
Density, g/cm3 8.4
5.4
Embodied Carbon, kg CO2/kg material 10
31
Embodied Energy, MJ/kg 140
480
Embodied Water, L/kg 340
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
94
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
32
Strength to Weight: Axial, points 42
40
Strength to Weight: Bending, points 31
35
Thermal Shock Resistance, points 37
48

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0 to 0.1
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 2.0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.5 to 5.0
14 to 16
Nickel (Ni), % 49.6 to 62.5
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 2.8 to 3.3
83.5 to 86
Zinc (Zn), % 0.020 to 0.12
0