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C69710 Brass vs. Grade 30 Titanium

C69710 brass belongs to the copper alloys classification, while grade 30 titanium belongs to the titanium 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 C69710 brass and the bottom bar is grade 30 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
23
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
41
Shear Strength, MPa 300
240
Tensile Strength: Ultimate (UTS), MPa 470
390
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 240
420
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 930
1660
Melting Onset (Solidus), °C 880
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 8.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
6.9

Otherwise Unclassified Properties

Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 2.7
36
Embodied Energy, MJ/kg 44
600
Embodied Water, L/kg 310
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
86
Resilience: Unit (Modulus of Resilience), kJ/m3 250
590
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 12
8.6
Thermal Shock Resistance, points 16
30

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.080
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 75 to 80
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.3
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 2.5 to 3.5
0
Titanium (Ti), % 0
98 to 99.76
Zinc (Zn), % 13.8 to 22
0
Residuals, % 0
0 to 0.4