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Grade 7 Titanium vs. EN 2.4879 Cast Nickel

Grade 7 titanium belongs to the titanium alloys classification, while EN 2.4879 cast nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is EN 2.4879 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 24
3.4
Fatigue Strength, MPa 250
110
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
80
Tensile Strength: Ultimate (UTS), MPa 420
490
Tensile Strength: Yield (Proof), MPa 340
270

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
1150
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 22
11
Thermal Expansion, µm/m-K 9.2
13

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 47
8.3
Embodied Energy, MJ/kg 800
120
Embodied Water, L/kg 470
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
14
Resilience: Unit (Modulus of Resilience), kJ/m3 560
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 28
16
Thermal Diffusivity, mm2/s 8.9
2.8
Thermal Shock Resistance, points 31
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.55
Chromium (Cr), % 0
27 to 30
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
9.4 to 20.7
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
47 to 50
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.7 to 99.88
0
Tungsten (W), % 0
4.0 to 6.0
Residuals, % 0 to 0.4
0