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C91300 Bell Metal vs. Grade 21 Titanium

C91300 bell metal belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium 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 C91300 bell metal and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
140
Elongation at Break, % 0.5
9.0 to 17
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 38
51
Tensile Strength: Ultimate (UTS), MPa 240
890 to 1340
Tensile Strength: Yield (Proof), MPa 210
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 180
410
Maximum Temperature: Mechanical, °C 150
310
Melting Completion (Liquidus), °C 890
1740
Melting Onset (Solidus), °C 820
1690
Specific Heat Capacity, J/kg-K 360
500
Thermal Expansion, µm/m-K 18
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 39
60
Density, g/cm3 8.6
5.4
Embodied Carbon, kg CO2/kg material 4.5
32
Embodied Energy, MJ/kg 74
490
Embodied Water, L/kg 460
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1
110 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 210
2760 to 5010
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
32
Strength to Weight: Axial, points 7.8
46 to 69
Strength to Weight: Bending, points 10
38 to 50
Thermal Shock Resistance, points 9.3
66 to 100

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
2.5 to 3.5
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 79 to 82
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.4
Lead (Pb), % 0 to 0.25
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.15 to 0.25
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 18 to 20
0
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.6
0 to 0.4