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Grade 30 Titanium vs. C69400 Brass

Grade 30 titanium belongs to the titanium alloys classification, while C69400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 30 titanium and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 23
17
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
42
Shear Strength, MPa 240
350
Tensile Strength: Ultimate (UTS), MPa 390
570
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
920
Melting Onset (Solidus), °C 1610
820
Specific Heat Capacity, J/kg-K 540
410
Thermal Conductivity, W/m-K 21
26
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
6.7

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 36
2.7
Embodied Energy, MJ/kg 600
44
Embodied Water, L/kg 230
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
80
Resilience: Unit (Modulus of Resilience), kJ/m3 590
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 8.6
7.7
Thermal Shock Resistance, points 30
20

Alloy Composition

Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
80 to 83
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
3.5 to 4.5
Titanium (Ti), % 98 to 99.76
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5