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Grade 21 Titanium vs. C97300 Nickel Silver

Grade 21 titanium belongs to the titanium alloys classification, while C97300 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 21 titanium and the bottom bar is C97300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 9.0 to 17
9.0
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 51
40
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
230
Tensile Strength: Yield (Proof), MPa 870 to 1170
110

Thermal Properties

Latent Heat of Fusion, J/g 410
180
Maximum Temperature: Mechanical, °C 310
150
Melting Completion (Liquidus), °C 1740
1040
Melting Onset (Solidus), °C 1690
1010
Specific Heat Capacity, J/kg-K 500
370
Thermal Conductivity, W/m-K 7.5
29
Thermal Expansion, µm/m-K 7.1
19

Otherwise Unclassified Properties

Base Metal Price, % relative 60
30
Density, g/cm3 5.4
8.6
Embodied Carbon, kg CO2/kg material 32
3.7
Embodied Energy, MJ/kg 490
59
Embodied Water, L/kg 180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 180
18
Resilience: Unit (Modulus of Resilience), kJ/m3 2760 to 5010
59
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 32
18
Strength to Weight: Axial, points 46 to 69
7.6
Strength to Weight: Bending, points 38 to 50
9.8
Thermal Diffusivity, mm2/s 2.8
9.3
Thermal Shock Resistance, points 66 to 100
8.0

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
53 to 58
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.5
Lead (Pb), % 0
8.0 to 11
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
11 to 14
Niobium (Nb), % 2.2 to 3.2
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.17
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.15 to 0.25
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
1.5 to 3.0
Titanium (Ti), % 76 to 81.2
0
Zinc (Zn), % 0
17 to 25
Residuals, % 0
0 to 1.0