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C68800 Brass vs. Grade 33 Titanium

C68800 brass belongs to the copper alloys classification, while grade 33 titanium belongs to the titanium alloys. There are 29 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 C68800 brass and the bottom bar is grade 33 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 36
23
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
41
Shear Strength, MPa 380 to 510
240
Tensile Strength: Ultimate (UTS), MPa 570 to 890
390
Tensile Strength: Yield (Proof), MPa 390 to 790
350

Thermal Properties

Latent Heat of Fusion, J/g 190
420
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 960
1660
Melting Onset (Solidus), °C 950
1610
Specific Heat Capacity, J/kg-K 400
540
Thermal Conductivity, W/m-K 40
21
Thermal Expansion, µm/m-K 19
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 20
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 26
55
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 2.8
33
Embodied Energy, MJ/kg 48
530
Embodied Water, L/kg 350
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
86
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
590
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 19 to 30
24
Strength to Weight: Bending, points 19 to 25
26
Thermal Diffusivity, mm2/s 12
8.7
Thermal Shock Resistance, points 19 to 30
30

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.010 to 0.020
Ruthenium (Ru), % 0
0.020 to 0.040
Titanium (Ti), % 0
98.1 to 99.52
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0
0 to 0.4