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Grade 7 Titanium vs. EN 1.4889 Cast Nickel

Grade 7 titanium belongs to the titanium alloys classification, while EN 1.4889 cast nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is EN 1.4889 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
0.27
Shear Modulus, GPa 38
79
Tensile Strength: Ultimate (UTS), MPa 420
500
Tensile Strength: Yield (Proof), MPa 340
270

Thermal Properties

Latent Heat of Fusion, J/g 420
350
Maximum Temperature: Mechanical, °C 320
1160
Melting Completion (Liquidus), °C 1660
1360
Melting Onset (Solidus), °C 1610
1320
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 9.2
14

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
8.5
Embodied Energy, MJ/kg 800
120
Embodied Water, L/kg 470
280

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
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 28
18
Thermal Shock Resistance, points 31
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.45
Chromium (Cr), % 0
32.5 to 37.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
10.5 to 21.2
Manganese (Mn), % 0
1.0 to 1.5
Nickel (Ni), % 0
42 to 46
Niobium (Nb), % 0
1.5 to 2.0
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
1.5 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.7 to 99.88
0
Residuals, % 0 to 0.4
0