MakeItFrom.com
Menu (ESC)

C61800 Bronze vs. Grade 21 Titanium

C61800 bronze belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 26
9.0 to 17
Fatigue Strength, MPa 190
550 to 660
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
51
Shear Strength, MPa 310
550 to 790
Tensile Strength: Ultimate (UTS), MPa 740
890 to 1340
Tensile Strength: Yield (Proof), MPa 310
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 230
410
Maximum Temperature: Mechanical, °C 220
310
Melting Completion (Liquidus), °C 1050
1740
Melting Onset (Solidus), °C 1040
1690
Specific Heat Capacity, J/kg-K 440
500
Thermal Conductivity, W/m-K 64
7.5
Thermal Expansion, µm/m-K 18
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
60
Density, g/cm3 8.3
5.4
Embodied Carbon, kg CO2/kg material 3.1
32
Embodied Energy, MJ/kg 52
490
Embodied Water, L/kg 390
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 420
2760 to 5010
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
32
Strength to Weight: Axial, points 25
46 to 69
Strength to Weight: Bending, points 22
38 to 50
Thermal Diffusivity, mm2/s 18
2.8
Thermal Shock Resistance, points 26
66 to 100

Alloy Composition

Aluminum (Al), % 8.5 to 11
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 86.9 to 91
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0.5 to 1.5
0 to 0.4
Lead (Pb), % 0 to 0.020
0
Molybdenum (Mo), % 0
14 to 16
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0 to 0.1
0.15 to 0.25
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 0 to 0.020
0
Residuals, % 0
0 to 0.4